Skip to content

Our Team

Board Members of the Regenerative Organic Alliance

Paul Lightfoot

Board Chair

Patagonia Provisions | patagoniaprovisions.com

LaRhea Pepper

Board Vice Chair

Organic Cotton Farmer, Co-Founder and former CEO of Textile Exchange | LaRheaPepper.com

Rachel Dreskin

Board Treasurer

Plant Based Foods Association | plantbasedfoods.org

Sarela Herrada

Board Secretary

SIMPLi | eatsimpli.com

David Bronner

Board Member

Dr. Bronner’s | drbronner.com

Robyn O’Brien

Board Member

Sirona Ventures | sironaventures.co

Jeff Tkach

Board Member

Rodale Institute | rodaleinstitute.org

Elizabeth Whitlow

Board Member

Regenerative Organic Alliance

Our Team

Christopher Gergen

CEO

The Regenerative Organic Alliance’s CEO, Christopher Gergen, has over 25 years of experience building, scaling, and supporting systems-based solutions in communities globally. With a passion for the positive impact that food can have on our local economies, the health of families, and our warming climate, Christopher is deeply committed to…

Paul Alvarez

Program Director

An advocate for organic, social, and environmental sustainability, Paul comes to us with more than 15 years of experience in designing and implementing strategies, project management, creating frameworks, and external and internal stakeholder management. He is bilingual with cross-cultural and multi-category experience in international contexts.  Paul resides in Northern California…

Daniel Araujo

Standards & Quality Assurance Manager

As an agronomist, Daniel has spent 10+ years working with international certifiers dedicated to various organic, social and environmental programs. His experience as an auditor, certification officer and operations manager enable Daniel to constantly improve ROA Standards & Assurance. Based in Brazil, he brings a global south perspective on agri-food…

Donna Worley

Director of Marketing and Communications

Donna Worley is a seasoned communications and engagement strategist with almost 20 years of experience driving mission-focused messaging, public relations, and global event strategies in the sustainability and nonprofit sectors. She currently serves as Director of Marketing and Communications at the Regenerative Organic Alliance (ROA), where she leads integrated communications…

David Green

Brand Engagement Manager

Born and raised in Humboldt County, CA, David spent his youth with his mother and 3 younger sisters. He spent his time fixing old cars, playing basketball, skateboarding and watched as much SNL and comedy as possible. Out of high school his initial education was in automotive mechanics, and he…

Paola Carvajal

Certification Manager

Paola is an experienced project and operations leader with a strong background in compliance, sustainability, QMS, animal welfare, social compliance, and cybersecurity across global supply chains in textiles, healthcare, food safety, and retail. She leads high-performing teams and complex audit programs, consistently delivering measurable gains in efficiency and client satisfaction…

Edward Hurley

Finance Manager 

Edward Hurley brings a wealth of financial expertise to his role as Finance Manager at ROA, where he supports the organization’s growth and sustainability goals through strategic fiscal oversight and planning. With a career that began in 2012 when he founded a property preservation business, Edward later transitioned into commercial…

Haley Tardiff

Communications Specialist

Haley came to the ROA with years of experience in strategic storytelling for environmental non-profits and agriculture media outlets. She has used thoughtful messaging as a tool to enhance mission driven organization goals, ultimately building organization awareness and fostering communal connection. Haley is an advocate for strengthening our food and…

Suhanna Carvajal

Executive Assistant

Suhanna joined ROA with over 10 years of experience in delivering administrative support across diverse industries. As a dedicated mother, she is passionate about supporting ROA, an organization committed to improving soil quality and food production, ultimately contributing to a healthier planet for all children. Currently residing in New Jersey,…

Steven Brooks

Technology Systems Administrator

Steve has an extensive software design and development background in the telecom and financial industries. A passion for locally-sourced food and a belief in the vital importance of healthy soil has led Steve to pursue education in sustainable agriculture practices. He is excited to focus on the use of technology…

Headshot of Charlotte Martin

Charlotte Martin

Certification Operations Specialist

Growing up on a small farm in rural Massachusetts, Charlotte learned the importance of regenerative organic agriculture and stewardship of the environment. Prior to the ROA, she worked for an organic certification agency, supporting organic audits, and worked on farms internationally, where she gained extensive knowledge of agricultural practices. Her…

Maíra Severo

Certification Specialist

Passionate about all aspects of agriculture, Maíra has dedicated more than a decade of working with organic certification, small family farmers and social environmental education projects. Her primary focus has always been on sustainable agriculture, with the aim of making our world a fair and healthy place. Maíra brings strong…

Claire Smith

Standards & Quality Assurance Coordinator

Claire holds a Bachelor’s degree in Food Science with a minor in Nutritional Science and a Master’s in Agribusiness. Over the past 12 years, she has built a career in the food, beverage, and wine industries, specializing in food safety, quality assurance, and compliance. Her extensive experience in quality assurance…

Alania Cowie Lindquist

Engagement, Farm/Brand Liaison

Alania joined ROA in 2022 when she learned about the incredible work being accomplished through regenerative agriculture and wanted to combine her passion for ecology, nutrition and agriculture to be a part of the amazing solutions and working toward the current and future benefit of our planet. She comes with…

Cristina Rodriguez

Certification Specialist

Cristina has spent the last decade working in South America in agricultural supply chains and operations. Based in Peru, she brings a global Latin America perspective on certification systems.  She has supported smallholder farmers in achieving various organic, regenerative, and social fairness certifications across Central and South America. Cristina earned…

Headshot of Angela Jackson

Angela Jackson

Special Projects-Education and Training

Angela is a certified organic farmer in the USA, advocate, educator, and international lead auditor with more than 15 years of experience in organic inspection, production for crops and livestock, quality assurance, and lead auditing across many organic, environmental, and animal welfare programs for national and private certification programs. Angela…

Elizabeth Whitlow

Consultant: Founder and Senior Advisor

Elizabeth’s role at the ROA is the culmination of over 20 years working in the field of organic agriculture. She began her career as an advocate for shade-grown, fair-trade, and organic coffee growers in Central America. Since then, she has worked across the spectrum of elevated certifications, both in farming and…

Ulyana Ary

Certifications Administrative Assistant

Growing up in Sevastopol Crimea, Ulyana was taught to value how our food is grown and the importance of protecting the natural world. She is an advocate for environmental remediation and is currently finishing up her B.S. in Environmental Science. Prior to ROA, Ulyana gained valuable experience from a decade…

Benjamin Fahrer

Project Manager Regenerative Organic Learning Centers

Benjamin Fahrer has over 25 years of organic farming experience and is specialized in designing and building integrated ecological farming systems as a contractor and consultant. He has brought innovation to urban agriculture by designing, building and operating highly productive integrated urban rooftop farming systems in the SF Bay area…

Keep exploring

Back To Top