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Our Team

Board Members of the Regenerative Organic Alliance

Elizabeth Whitlow

Executive Director, ROA

Regenerative Organic Alliance

David Bronner

Board Member

Dr. Bronner’s |

Rachel Dreskin

Board Treasurer and Secretary

Plant Based Foods Association |

Sarela Herrada

Board Member


Paul Lightfoot

Board Chair

Patagonia Provisions |

Jeff Tkach

Board Member

Rodale Institute |

Robyn O’Brien

Board Member

Sirona Ventures |

LaRhea Pepper

Board Vice Chair

Textile Echange |

Our Staff

Elizabeth Whitlow

Executive Director

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 ranching, earning high-level placements with organizations such as CCOF and EarthClaims.  Her greatest honor is to serve a planet that is in tremendous need of each and every one of us. She resides in Northern California with her dog Hazel, growing food and community.

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 with his family.

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 and certification systems.  Daniel resides in Santa Catarina, Brazil.

Agatha Brinkley

Senior Communications Manager

With an off-grid farmstead, Agatha has spent nearly as many hours moving cows to fresh pasture as sitting behind a desk. She has dedicated her career to advancing regenerative agriculture through local, regional, and national organizations as a means toward resilience, restoration, and vitality in our food and fiber systems. She brings twenty plus years of experience in nonprofit leadership from strategy development, to fundraising, program development, and communications. Agatha, her husband, four children, two dogs, and a menagerie of livestock live in a 200-acre intentional community on the ancestral land of the Tutelo in VA.

Cris Comezana

Certification Specialist

Cris has deep experience as both an agronomist and a quality assurance specialist.  She was the ROC Program Manager for Organización Internacional Agropecuaria. Prior to that, she worked for over a decade at IOAS as a lead assessor and auditor. She has worked as a lead auditor with international certifiers and accreditors in different schemes such as Rainforest Alliance, NOP, and EU Organic, cosmetic standards, and numerous textiles claim standards like GOTS, Responsible Wool Standard, Recycled Claim, and OCS. Cris brings not only this rich experience to the ROA but also the conviction that regenerative organic systems are critical to improving the soil, the environment, and human health.  Cris is based in Buenos Aires, Argentina.

Headshot Of Angela Jackson

Angela Jackson

Quality Assurance

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 brings an international perspective and farmer lens to the ROA team.  She lives on her farm in South Dakota with her family.

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 experience allows Charlotte to successfully guide new applicants as they navigate requirements for the program. She lives in Asheville, NC with her dog Stevie.

Haley Mast

Executive Assistant

Growing up on a small family dairy and showing sheep in FFA throughout her childhood, Haley’s passions are deeply rooted in agriculture. She strongly advocates for regenerative practices within modern-day agriculture, to promote healthy soils and abundant farmable land for future generations to come. Prior to joining the ROA, Haley worked in communications for environmental non-profits, project coordination for varying media brands, and organic compliance auditing for an organic certification organization. Haley and her fiancé live in the Columbia River Gorge in Washington State with their dog, cat, and four chickens.

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 her master’s and bachelor’s degrees in supply chains, logistics, and agricultural engineering. We are excited for her to bring her expertise to the ROA team and especially to help Spanish speaking growers navigate the process of becoming ROC.

Ariana Rascol

Administrative Assistant

Ariana learned in her studies that healthy human development cannot occur without holding policy makers accountable to change our food system and how we treat the earth. She embraces the opportunity to bring her skills and passions to the ROA and broader regenerative organic movement. She is proud to be a part of the solution and bring her bright light to our team. She is based in Vancouver, WA.

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 experience in various segments of the certification process, passion for environmental justice, and a background in organizational leadership to the ROA. Maíra lives in the stunning coastal city of Florianopolis, SC Brazil.

Katy Williams

Operations Manager

As a passionate environmental advocate, Katy knew she needed to focus not only her personal time but her professional work to address the challenges of climate change. She transitioned from a 20-year career in experiential marketing production, to bring her strengths in client relations, marketing, project management and strategic planning to the ROA.  When not at her desk you can find Katy in her community garden plot or her home garden planting more California natives.

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