Ari Derfel, Executive Director, is an entrepreneur, restaurateur, organic chef, activist, mountain guide & public speaker. His academic career spans the University of Wisconsin, Harvard, Georgetown, UCLA & Cambridge. Ari co-owns Gather, an all-organic, sustainably designed restaurant, at the renowned David Brower Center in Berkeley, California. Ari also founded Back to Earth Organic Catering in 2001, the first organic catering company in the US, with his business partner Eric Fenster. Ari is internationally known for his work on waste and consumerism. As an experiment, he saved every single piece of trash & recycling he created during 2007 so that he could see his impact on the planet firsthand.

Michael Bartner, Associate Director, was the associate director of Investors' Circle from 2002 to 2008.  Michael previously worked with the Carter Center's Global Development Initiative, SustainAbility in London, and Park Pride in Atlanta, where he taught environmental science to underprivileged children. Michael has a BA in Environmental Science and Political Science from Emory University and the London School of Economics.  He is currently taking courses towards his MBA at Northeastern University.

David Corson-Knowles, Associate Director, earned his bachelor’s degree in Political Science from Yale University, where he also worked as a researcher for the Program on Agrarian Studies. While an undergraduate, David served on Yale’s Advisory Committee on Investor Responsibility, charged with ethical oversight of the university’s multi-billion dollar endowment. Taking this responsibility seriously, he worked to increase the transparency and openness of the committee, to extend its purview from the 20% of the endowment in public stocks to include all assets, particularly private equity and foreign bonds, and to divest from oil companies operating in Sudan and Burma. His previous work experience ranges from forest conservation and grant administration to hands on work with mathematically gifted university students with disabilities. Most recently, David took administrative and operational responsibility for the start up of Gather Restaurant in Berkeley, California.  David learned to hand code web pages from a 1998 course taught by the Library of Congress while he was a US Capitol intern, and he now maintains the Slow Money website.

Cathy Berry, Director, is managing director and one of the founders of Baldwin Investment Group, LLC, a small boutique investment management firm with approximately $300 million under management. Since 1997, she has been the financial advisor and active participant of The Sandy River Charitable Foundation, a family foundation with assets of about $40 million.