Sandra Marquardt has extensive experience in the agricultural, environmental, and fashion sectors. She is the president of On the Mark Public Relations, a firm she founded in 2006 to provide PR, research, writing, and event coordination to the sustainable and organic community. She also is the former North America representative for the Global Organic Textile Standard and communications director of the Sustainable Food Trade Association.

Previously, Sandra developed and directed M+R Organics (a division of the public affairs firm M+R Strategic Services), focusing on the promotion of organic wool, and was the coordinator of the Organic Trade Association’s Fiber Council (she now is its secretary). She has worked for several non-profit organizations on agriculture, pesticide, and water quality issues. On weekends, Sandra coordinates an organic farmers market in her community.