About Us

Amina Razvi

Executive Director

As SAC Executive Director, Amina is responsible for the overall leadership and management of the organization. She leads the executive team and works with the board of directors to develop and implement the organization’s strategic plan.

Previously, Amina was the Vice President of Membership at the SAC, a leadership role in which she focused on providing exceptional customer service, account management, member value and business development for the organization. Amina worked with global members to increase adoption of the Higg Index and improvement of Higg scores through impact solutions.

Prior to joining the SAC, Amina was a senior manager on the Global Sustainability team at Gap Inc. where she led environmental initiatives across owned and operated facilities as well as in their supply chain. She led the development of Gap’s environmental sustainability strategy and the creation, execution and achievement of ambitious enterprise goals on energy and waste at owned and operated facilities. Amina also led the first large scale deployment of the Higg Index across Gap’s supply chain, and has been involved in the creation, development, piloting and rollout of the Higg since its inception.

Trained as an architect, Amina has designed and managed construction of retail stores, skyscrapers, houses, hotels, and museums. She has a B.S. in Architectural Studies from the University of Illinois and a Master of Architecture degree from the Massachusetts Institute of Technology.

Eszter Csicsai

Member Engagement Manager, AMER

Eszter is the SAC Member Engagement Manager for the Americas. She works with members throughout the region to deepen their involvement in the work and community of the SAC while scaling up usage of the Higg Index throughout their supply chains.

Prior to joining the SAC, Eszter was Senior Manager of Reuse and Donations at the New York City Department of Sanitation, where she oversaw materials reuse and circular economy programming aimed at supporting the City’s zero waste goals. In this position, she oversaw the launch of the inaugural ReFashion Week NYC, organized the cross-industry NYCxReuse materials reuse conference, and managed the launch of the world’s first municipally-administered food donation portal.

In addition, Eszter has over a decade of experience building communities of practice in settings as varied as the arts, academia, tech, and government. She holds degrees from New York University and Grinnell College; she is based in New York City.

Giovanna Davila

Research & Communications Analyst

Giovanna is the Research & Communications Analyst and works to engage SAC members and industry stakeholders through stories and multimedia content using insights from Higg Index data. By researching, analyzing, and synthesizing social and environmental sustainability data, Giovanna narratively and graphically promotes industry improvements. She is based in Los Angeles, CA.

Prior to joining the SAC, Giovanna was the Outreach Manager for her master’s thesis where she worked with four colleagues and their client, Patagonia, to develop a strategy for reducing greenhouse gas emissions through materials innovation. Giovanna analyzed changes in raw materials and dye technologies for hundreds of products and developed presentations, outreach materials, and a website to communicate how apparel brands can reduce their environmental impacts through informed product design.

Giovanna holds a master’s degree in Environmental Science and Management from the Bren School at UC Santa Barbara and bachelor’s degrees in Communication and Environmental Studies from UC Santa Barbara. She is a longtime singer and has performed in a collegiate a cappella group and most recently, a local Santa Barbara band called Brengrass.

Aaron Di Silvestro

Director of Higg Products

Aaron Di Silvestro is the Director of Higg Products at the SAC, the apparel, footwear, and textile industry’s leading alliance for sustainable production. He liaises between the Higg Index subject matter experts and the Higg Co technical teams, develops roadmaps for tool integration, and eases the transition from expert insights to implementation. He works out of Portland, Oregon.

Before joining the SAC, Aaron worked for Nike’s Global Sustainability organization implementing and delivering the tools required to make more sustainable business decisions. Often working in collaboration with the SAC and Higg, Aaron managed the development of the internal Higg MSI implementations and corporate footprinting applications.

In his free time Aaron is a passionate back-country skier and an unapologetic fan of the Seattle Sounders.

Wendy Dittmer

Director of Operations

Wendy is the Director of Operations and oversees the Human Resources, Finance, Legal, and Operations functions at the SAC. As part of the leadership team, Wendy ensures that the organization has the resources and foundation required to build and implement the Higg Index, the industry’s leading suite of sustainability tools. She is based in the US out of Austin, Texas and Milwaukee, Wisconsin.

Before joining the SAC team, Wendy spent over 25 years in the technology and fashion industries focusing on sustainability, operations, and I/T. Recently, she was the Chief Operations Officer at Raven + Lily, PBC, a Benefit Corporation apparel and lifestyle brand headquartered in Austin, Texas. In that role, she oversaw supply chain partnerships, sales and marketing, and distribution and logistics, leading the company to greater efficiencies and performance. At the Responsible Business Alliance, an industry coalition focused on supply chain responsibility, she led external communications and stakeholder engagements, working on behalf of the industry members. While at Dell, she led work in supply chain sustainability, supply chain I/T, and call center technology.

Wendy has a Masters of Science in Public Policy and Administration from Northwestern University, and a Bachelors of Science in Computer Science from Purdue University. While she loves working in the fashion industry, software coding will always hold a special place in her heart. She enjoys traveling the globe with her husband, and as an avid long-distance runner, is always looking to pair a trip with a race.

Sheila Estaniel

Director of Communications

Sheila Estaniel is the Director of Communications at the Sustainable Apparel Coalition. She leads all internal and external communications, as well as media outreach. She is based in Los Angeles, CA.

Before joining the SAC team, Sheila spent more than a decade directing marketing, communications, and external affairs efforts for public, private, and nonprofit organizations. She collaborated with companies like Disney and partnered with organizations like the Trade Commission of Peru. She also led various social media, public awareness, and consumer-facing campaigns.

Sheila has helped mom-and-pop shops, national brands, and Fortune 500 companies reach business development goals by demonstrating their value, telling their story, and connecting with their diverse communities. 

In her free time, Sheila likes to keep active and try something new. You can find her reading tweets, hiking trails, planning trips, and drinking coffee. She currently serves on the advisory board for the Wildwoods Foundation.

Christina Fleming

Executive Assistant

Christina is the executive assistant for the SAC. She reports directly to executive director Amina Razvi and provides her support. Christina serves as the primary point of contact for internal and external stakeholders on all matters pertaining to the executive director. She also serves as a liaison to the SAC Board of Directors and the SAC Executive Team. Christina organizes and coordinates executive outreach and external relations efforts and oversees special projects.

Prior to joining the SAC, Christina was the director of communications for Bright Impact, a consulting, software and fund management firm. She provided administrative support and coordinated events. She developed strong relationships and contributed educational material for the startup while processing internal and external communications for the team. With a marketing and public relations background, Christina spends her time brainstorming on new techniques and strategies to stay on top of the rapidly changing trends within media and digital marketing.

Christina is a graduate from the University of Central Florida. She regularly pursues her passion for yoga and meditation. She currently stands as a 300-hour certified registered yoga and leadership instructor in the Orlando-area.

Noelle Guzman

Finance Associate

Noelle Guzman is the SAC Finance Associate and works on the Apparel Impact Institute, Sustainable Apparel Coalition, and Social & Labor Convergence Program. She oversees accounts payables, communications with vendors and contractors regarding invoices, and operational support to staff. Along with the rest of the finance team, she helps with each organization’s budgeting, financial statements, monthly reports, and audits. 

Prior to joining the SAC, Noelle was a program coordinator at the Public Health Institute helping manage the California Bridge Program, an Opioid Crisis Grant funded program that partners with hospitals in California to provide healthcare workers tools and resources for improved care of patients with substance use disorders. Noelle managed the financial operations of the program, including budget forecasting and handling contractual decisions in compliance with fund regulations. Noelle implemented efficient processing systems to support the expansion and sustainability of the program.

Noelle has also held positions at Beyond 12 Education and research at UCSF, both positions pertaining to efforts in improving social issues. Noelle has a B.A. degree in Cognitive Science from the University of California, Berkeley.   

Jenna Hermans

Head of Human Resources

Jenna runs Human Resources for the SAC, making sure that every employee in every region domestically and internationally is supported in having all the tools and resources they need to be successful in their roles. Jenna manages all the areas of HR including but not limited to the employee life cycle, learning and development, benefits, etc.

Jenna brings 13+ years of HR and Management experience to the SAC having worked for industries ranging from apparel, education, hospitality, asset management and tech. She has built HR infrastructures for multiple small and medium businesses and also owned and operated a medium sized preschool in Los Angeles for over 5 years.  Jenna’s strengths are in organizational management and development, creative problem solving and employee lifecycle to establish, grow and enhance business operations and culture.

Jenna is co-founder of a consulting firm called Be Courageous, where she supports small businesses with HR, culture intervention and operational efficiencies. Jenna has a M.A. degree in Organizational Management from Antioch University and a B.S. degree in Psychology from University of California, Davis.

Devin Hurley

Member Engagement Coordinator, AMER

Devin is the Member Engagement Coordinator for the Americas (AMER) at the SAC, the apparel, footwear, and textile industry’s leading alliance for sustainable production. She works with the Membership team providing support to member involvement and experience in the Americas region. Devin is based in Washington DC.

Prior to joining the SAC team, Devin was the Program Assistant and Board Liaison at American Rivers, an environmental conservation organization focused on rivers and clean water. She served as the liaison to the AR Board of Directors, assisted on conservation projects, and managed AR’s Most Endangered Rivers 2020 campaign. With a background in sustainability, she has previous experience developing and implementing an internal sustainability program and strategy.

Devin is a Chicago native and graduate from the University of North Carolina- Wilmington. In her free time she likes to explore DC’s many bike trails and hiking National Parks. Devin is an avid biker and hiker who has a goal of visiting every US National Park.

Laura Jans

Member Engagement Coordinator, EMEA

Laura is the Member Engagement Coordinator for Europe, the Middle East, and Africa (EMEA) at the SAC, the apparel, footwear, and textile industry’s leading alliance for sustainable production. She supports the membership team by providing a harmonious, effective, and value added member experience for members in the EMEA region. She is based in Amsterdam, The Netherlands. 

Before joining the SAC team, Laura interned and worked with one of the SAC’s members in the Netherlands, De Bijenkorf, where she supported the implementation of their sustainability strategy. This is where Laura got in touch with the SAC for the first time. A year later, when pursuing her Master of Science in Global Business and Sustainability at Erasmus University Rotterdam, she wrote her thesis on the SAC, titled “How multi-stakeholder initiatives foster supply chain transparency in the fashion industry: A case study of the Sustainable Apparel Coalition”. 

Laura also holds a Bachelor of Science in International Business Administration from Radboud University Nijmegen, and she went on exchange to Universitas Gadjah Mada, Jogjakarta, to explore her (half) Indonesian roots. In her free time, it is important to Laura to stay healthy and active. She enjoys a variety of sports including hiking and running. She also loves cooking, practices yoga and mindfulness, and has a big passion for photography.

Jeremy Lardeau

Vice President, Higg Index

Jeremy Lardeau is the VP of the Higg Index at the SAC. As part of the leadership team, he oversees the strategic direction and development of the Higg Index suite of tools. Jeremy is based in Barcelona, Spain.

Before joining the SAC team, Jeremy was Senior Director of Sustainability Analytics, at Nike, Inc. where he led sustainability reporting, performance management, data products, and reporting. Prior to Nike, Jeremy was a manager with PricewaterhouseCoopers’ sustainability practice, successively working out of the Paris, Mexico City, and San Francisco offices.

Jeremy holds a Masters in Industrial Engineering from the Ecole Centrale Paris. In his free time he is known to love travelling, running and alpine climbing, but actually enjoys most horseplaying with his three young boys.

Erin Leon

Manager, Higg Index

Erin is the Manager, Higg Index and is responsible for facilitating the Higg Index measurement tools. She helps manage and lead member engagement and feedback processes related to Higg Index development, provides Higg Index support, analyzes and digests all sources of feedback, and compiles reports and proposals that are used by the Higg Index team to enhance and improve all Higg Index tools.

Prior to joining the SAC, Erin earned her Master’s in Environmental Management from Duke University’s Nicholas School of the Environment where her research focused on sustainable systems and the complex interactions of business and environment.

Before graduate school, Erin lived in Jackson Hole, Wyo., where she helped develop energy efficiency and conservation measures in the region and cultivated her love for hiking and skiing. She received her B.A. in History from Colgate University in Hamilton, N.Y., and grew up by the Chesapeake Bay in Virginia Beach, Va.

Ruth Lin

Finance and Operations Manager

Ruth Lin is the SAC Finance and Operations Manager and works on the Apparel Impact Institute, Sustainable Apparel Coalition, and Social & Labor Convergence Program. She oversees account receivables, communications with members and prospective members regarding payments, and operational support. She helps with each organization’s budgeting, financial statements, monthly reports, and audits.

Prior to joining the SAC, Ruth was an accountant at a supply chain technology start up, Elementum, which is focused on revolutionizing the supply chain industry and streamlining each part of operations onto mobile apps. Ruth was focused on internal support and she also implemented sustainability changes by creating a compost program in two offices and introduced more recycled products. She volunteers as an Ethical Detective with Good on You, which rates how sustainable each fashion brand is.

Ruth has worked at Australian Volunteers International, which is focused on sustainable development. She volunteered with wildlife in California, the Amazon Rainforest, and the Great Barrier Reef. Ruth graduated with a B.S. degree in accounting from Case Western Reserve University and studied abroad in New Zealand.

Dhawal Mane

Senior Manager, Training and Verification

Dhawal is the SAC Senior Manager of Training and Verification and is based in Bangalore, India. He is responsible for building, maintaining, and improving verification and training programs for the Higg Index suite of tools and ensure that the Higg Index is a trusted and credible measure for sustainability performance and benchmarking.

Prior to joining SAC, Dhawal worked with C&A’s sustainable chemicals management team as a senior specialist. His role involved working with manufacturers of varying complexities and building their capacity to implement environment management systems. He has worked with vertically integrated textile manufacturer Pratibha Syntex as a sustainability manager and was responsible for executing sustainability projects like GHG accounting and reporting, life cycle analysis, internal and external sustainability communications.

Dhawal has been recognized in the 2017 GreenBiz 30 Under 30 cohort of global sustainability professionals. Through Sustainability Drinks Bangalore, he convenes the city’s sustainability community for networking and collaboration opportunities.

Andrew Martin

Vice President, Membership and Stakeholder Engagement

As Vice President, Membership and Stakeholder Engagement, Andrew is responsible for developing and implementing the SAC’s global stakeholder engagement strategies, while leading business development, to identify opportunities to expand membership and increase adoption of the use of the Higg Index. As part of the leadership team, he works to ensure that all stakeholder engagement and business development activities are fully integrated  into the overall SAC strategic plan and drive the global relevance and sustainability leadership of the SAC and its members, within the sector and beyond.

Prior to joining the SAC, Andrew was at amfori, the leading business association for open and sustainable trade, where, as VP Services, he was responsible for global operational activities. In addition to a strategic role in the development of the vision and strategy of the organization, Andrew managed membership services, led the implementation of global social and environmental audit assessments, including launching a pioneering audit integrity program, and also the largest capacity building program of its kind for social and environmental performance in global supply chains. 

Andrew has a degree in philosophy and theology from Kings College London, an MBA with distinction from the University of Exeter, where he was awarded ‘Dissertation most likely to change global thinking,’ and a postgraduate qualification in team coaching, from UWE, Bristol. During his extensive career, including more than 20 years in global textile manufacturing, Andrew has worked for a multi-national corporation, his own consultancy, and more recently in the education and non-profit sectors. 

A highlight of his work and interest is the Himalayan Kingdom of Bhutan, and its philosophy of Gross National Happiness, an alternative progressive values-based model for measuring and guiding economic, societal, and personal well-being. He is currently based in the seaside town of Looe in Cornwall in the South West of England.

Mandy Mooney

Senior Director, Marketing & Communications

Mandy Mooney is the Senior Director of Marketing & Communications for the SAC, bringing 15 years of experience in building and nurturing brands for global companies of all sizes in retail, tech, media, and healthcare. Mandy oversees the SAC’s internal and external marketing and communications initiatives. Key responsibilities include developing the SAC’s annual communications plan and building the organization’s reputation and brand awareness through media relations and membership engagement.

Prior to joining the SAC, Mandy spent nearly a decade working for Gap Inc. in various capacities, from leading large-scale impact campaigns for Gap Foundation and the Global Sustainability team to spearheading a new crisis communications process and protocol for each of the brands. Most recently, she played a key role in writing the brand guidelines, company mission, and values statements for newly-branded Khoros.

Recognized for co-founding GapWIL (Women in Leadership) in 2013, Gap Inc.’s most popular employee resource group that supports women to reach their full career potential, Mandy has a passion for seeing women support one another. Mandy also volunteers as a member of the Board of Directors for GirlVentures, where she serves as Chair of the Marketing and Fundraising Committee. She offers her time and talents to this organization whose mission is to inspire girls to lead through outdoor adventure, inner discovery, and collective action.

Mandy received her degree in business and apparel merchandising from Indiana University. She lives in the Bay Area with her husband and two daughters. Her favorite pastimes are writing music, doing yoga, and traveling. Last November, she checked off a bucket list item when her family spent a month exploring New Zealand.

Having led philanthropic, sustainability, and diversity & inclusion initiatives, impact marketing is a sweet spot for Mandy and a personal passion. She pushes brands to think bigger about their purpose-driven initiatives and to gain clarity around how they can accomplish their most audacious goals. Mandy is honored to join the SAC to help accelerate their mission and advance the industry.

Angela Ng

Senior Manager, Higg Facility Tools

Angela is the SAC Higg Facility Tools Senior Manager. Previously, she worked at SAC brand member Columbia, where she focused on sustainability in the social and labor program. Angela was also responsible for managing Columbia’s supply chain sustainability performance and initiatives. Implementing the Higg Facility Environmental Module was central to Angela’s efforts, from scaling adoption of the tool to integrating Higg FEM into Columbia’s business functions. Angela has been working with the Higg Index since its inception. She brings years of supply chain and industry experience. Angela lives by the mottos, “Make a difference” and “pay it forward.”

Janet So

Events Manager

Janet is the events manager and works to execute successful SAC events around the globe, including the full member meetings and webinars, regional SAC member meetings, and forums for manufacturers, designers, and other stakeholders.

 Janet joined the SAC after seven years of working in the exhibition and event fields, managing events in China, Frankfurt, and Hong Kong. Prior to joining the SAC, Janet was the event manager at a Hong Kong local auction firm and oversaw auction preview operations. She also organized premium client events that strengthened her people skills. Her previous work at Messe Frankfurt enriched her with various event management experience to negotiate with contractors, temp staff support, agents, exhibitors, and others.

Janet participated in AIESEC while in university and she holds a BSSc degree in government and public administration from the Chinese University of Hong Kong.

Veronique Tjon

Senior Manager, Member Engagement, EMEA

Veronique is the Project Manager for Small Medium Enterprises (SMEs). She supports SMEs in integrating the Higg suite of tools within their organization as well as supply value chain. She ensures that SMEs have access to SAC’s tools and resources including training & capacity building, benchmarking and performance improvement. She furthermore facilitates in the development work in cooperation with the other SAC work streams to tailor support and tools specifically to the SMEs needs.

Prior to joining the SAC, Veronique had been based in Hong Kong for nine years from where she supported brands in developing corporate sustainability strategies. She also worked alongside the supply value chain in Asia by integrating sustainable materials and chain-of-custody processes into their business practices. In her previously held position at a certification body, she managed the Training & Capacity Building program for the Facility Environmental Module 2.0, which was deployed to over 250 supply chain members across Asia as well as the Verification Pilot.

Veronique is a qualified ISO 14001 internal auditor and ISO 14064-1 Carbon Accounting and Greenhouse Gas Inventories auditor. She holds a B.A. in Business Administration from Rotterdam University of Applied Sciences. Veronique is located in Europe.

Marianna Tsien

Senior Director of Business Development and Membership, APAC

Marianna is the Sustainable Apparel Coalition Senior Director of Business Development and Membership, overseeing the APAC region.  She focuses on connecting with SAC members, guiding them to use the Higg Index and apply resources that drive adoption of the Higg tools, including through supply chain collaboration among members. Marianna organizes regional round table discussions, manufacturer forums in the region, and identifies fundraising opportunities to develop and deploy effective methods to support members in creating a ripple effect throughout the value chain to procure impact improvement.

Prior to joining the SAC, Marianna managed the supply chain sustainability program in Asia at Ascena, the parent company of ANN INC. She developed the implementation strategy and piloted the program with strategic suppliers in tier 1 and tier 2, building business cases and roadmaps to scale the programs dedicated to improving sustainability impacts. The programs focused on social & labor performance, women’s empowerment, and the Higg Facility Environmental Module. The women’s empowerment program reached more than 100,000 women in the value chain throughout five years, helping them improve their health and financial literacy.

Marianna lives in Hong Kong with her husband and son, who love rugby. Marianna is a certified mini rugby coach for kids under 8 and actively supports the union to promote rugby in the community.

Ruby Veridiano

Senior Manager of Global Content & Brand Strategy

Ruby Veridiano is the Senior Manager of Global Content & Brand Strategy at the SAC, the apparel, footwear, and textile industry’s leading alliance for sustainable production. She is the steward of the SAC brand story, managing the organization’s brand messaging, as well as strategizing content to engage and inspire the SAC team, their stakeholders, industry partners, and target audiences, with the organization’s mission and vision for change. She is a Native Californian currently based in Paris, France. 

Before joining the SAC Team, Ruby seeded her foundation as a storyteller through her roots as a spoken word poet, and was the only female in a performing arts group that toured professionally across the USA. In 2015, she received her Master’s Degree in Global Communications at the American University of Paris. She worked on the Corporate Social Responsibility Team at the LVMH Group in Paris, where she worked on global diversity initiatives. She was also a journalist and content producer for NBC News. Her original web series for NBC, entitled “Wear I’m From”, was nominated for a 2018 Namic Vision Award. 

In her free time, she nurtures her commitment to women’s empowerment by teaching and mentoring young women to be their best selves. She is passionate about personal growth, spirituality, and nurturing success from the inside out. One of her life goals is to become a decent surfer one day.

Lauren Zahringer

Manager of Business Development, EMEA

Lauren is the Manager of Business Development, EMEA at the Sustainable Apparel Coalition, where she is focused on growing our membership, Higg Index adoption, and organizing events for both prospective and SAC members across EMEA.

Lauren holds a Bachelor of Science in Business Management from Marymount Manhattan College, and Master of Science in Environment, Science, and Society from University College London. Prior to joining the SAC Lauren worked both in fashion, at IMG Fashion and BPCM P.R., as well as in sustainable design at Terreform ONE, a socio-ecological design firm in New York City. Later Lauren started _The Radically Good_, a web platform dedicated to promoting and supporting sustainability in businesses throughout the New York area.

Lauren is currently based in Amsterdam.