Wolf, DiMatteo + Associates, The Organic Specialists Images of various organic products
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Our Experience

Meet Our Team

Wolf, DiMatteo + Associates has incomparable knowledge and experience in organic and sustainable agriculture. Please take a moment to meet our team.

Bill WolfBILL WOLF, President and Senior Associate, oversees strategic planning services and brings to bear over 30 years of experience producing organic products—from foods to fertilizer and pest controls. Bill entered the field of sustainable agriculture in 1971 when he conducted global environmental research working with R. Buckminster Fuller. Over forty years, Bill has made significant contributions to agriculture: he founded the first national organic farming supply company, served on the OTA Board of Directors, and was the founding President of the Organic Materials Review Institute (OMRI) which independently reviews products intended for use in certified organic production and handling. More recently, he was a founding organizer of the New Resource Bank.

Bill lives on an organic farm in the Sinking Creek Valley of Virginia, and was recently featured in a new book: The Spine of the Virginias.

Katherine DiMatteoKATHERINE DIMATTEO, Managing Partner and Senior Associate, leads policy, regulatory, and international services. She brings a wealth of expertise to her clients, including 16 years at the helm of the Organic Trade Association. Among other credits, Katherine was instrumental in shaping the outcome of the U.S. National Organic Program (NOP) Standards and securing Congressional support. She also helped shape the UN Codex Guidelines for Organic and the Global Organic Textile Standards. Katherine served as President of the Board of Directors of the International Federation of Organic Agriculture Movements (IFOAM) from 2008 to 2011.

Katherine lives in Leyden, MA, a rural town of 800 citizens, and has served for over a decade as the Moderator at town meetings.

Sandy MaysSANDY MAYS, Managing Partner and Senior Associate, manages Organic Compliance Services, and has over 20 years of experience in organic production and marketing. Sandy works with businesses across the country to oversee the organic certification of products, source organic ingredients, and develop organic system plans including pest control programs. Prior to joining WD+A, Sandy worked for ten years in the creative department of Young & Rubicam, one of the world’s largest advertising companies. She utilizes her creative skills at WD+A to develop educational and marketing materials for organic companies. Sandy lives in Montgomery County, VA, takes an active interest in local and national politics, and works at the local polling booths on a regular basis. 

Sue Wagner, Associate and Sustainability Manager, performs technical research, materials review, and ingredient evaluations for NOP compliance. Sue also assists clients with applications for third-party review programs (e.g., OMRI and the Washington State Department of Agriculture), and the development of Input Compliance Plans.  Prior to joining WD+A, she held a variety of managerial positions in an environmental laboratory for over 16 years. In her free time, Sue enjoys gardening, quilting, stained glass, decorating cakes—and participating with her team at the local pub quiz.

About Our Associate Network

Wolf, DiMatteo + Associates has a global network of consultants including organic crop, livestock, processing, and trade specialists; food scientists; certification, inspection and regulatory specialists; brand and communication managers; market analysts; and strategic and business planning experts. We have working agreements with associates and firms around the world—in Europe, South America, India, Japan, and the Pacific Rim.

WD+A Is a Proud Member of:

Accredited Certifiers Association California Certified Organic Farmer   Garden Writers Association of America International Federation of Organic Agriculture MovementsMember Organic Trade Association