EARTH University Foundation was formed to support the educational vision of EARTH University through generous gifts from the global community and other programs and initiatives. The Foundation is a registered 501(c)(3) public charity headquartered in Atlanta, Georgia.

Mark J. Ohrstrom

Mark J. Ohrstrom
Board Position: Chairman / Country: USA

Mr. Ohrstrom operates Larkspur Financial Services that manages the family’s investments and businesses. Previously, he worked in investment banking for a firm based out of London. He attended several different universities, then dropped out to enlist in the U.S. army.

Mark Brouse

Mark S. Brouse

Board Position: Vice President / Country: USA

Therus C. Kolff MD.

Therus C. Kolff MD
Board Position: Treasurer / Country: USA

A veteran team builder, CEO, board member and mentor, Dr. Kolff is an experienced entrepreneur with the professional training and background of a physician. He has guided companies through start up, financing and eventual sale with unique solutions in healthcare. His M.D. is from the University of Utah and M.P.H. in Health Policy and Management from Harvard University where he continues on the HSPH Advisory Council.).

Kent B. Alexander

Kent B. Alexander
Board Position: Secretary / Country: USA

General Counsel at CARE, a global humanitarian organization. He is a co-founder of Hands On Atlanta. Mr. Alexander received a bachelor’s degree from Tufts University and a law degree from the University of Virginia School of Law.

Adrienne Meisel

Adrienne Meisel
Position: Trustee / Country: USA

Adrienne Meisel is a Director of Center on Deafness and serves on the Chicago Advisory Board of The Trust for Public Land. She also serves as a community representative on the Health and Human Services Commission of the Jewish Federation of Metropolitan Chicago and is an Honorary Director of JVS. Adrienne’s early career was in education where she taught and supervised programs for the hearing impaired. She then moved into the area of financial services which exposed her to the domains of commercial banking and high net worth individuals and families. After 25 years with First Chicago and its successor organizations, she retired as a Client Advisor in JP Morgan’s Private Client Services group. Adrienne’s education includes a B.S. in Education from the University of Illinois, an M.A. in Speech from Northwestern University and an MBA from Loyola University.

Alan Kelson

Alan Kelso
Board Position: Trustee / Country: Costa Rica

CEO of Ecodesarrollos Papagayo, a real estate development firm that is responsible for the Peninsula Papagayo, the first environmentally sound luxury resort and real estate project in Costa Rica. Mr. Kelso has a degree in finance from the Universidad de Costa Rica.

Claire “Yum” Arnold

Claire “Yum” Arnold
Position: Trustee / Country: USA

Claire Arnold is the Founder and CEO of Leapfrog Services, Inc., a managed services provider. Yum serves on the Board of The Atlanta Rotary Club, Spelman College, Children’s Healthcare of Atlanta Foundation, Leadership Atlanta and Shepherd Spinal Center Foundation. She is also on the Board of Visitors of The Fuqua School of Business at Duke University as well as its Center for the Advancement of Social Entrepreneurship, The Board of Councilors of The Carter Center, the Board of Directors of two NYSE firms and the Board of the Technology Association of Georgia, and is a member of the Atlanta Committee for Progress. Yum served for many years as a Trustee of Mary Baldwin College, most recently as Chair of its Board of Trustees, of The Westminster Schools, most recently as its Vice-Chair and of The Georgia Conservancy, also as its chair. Mrs. Arnold holds a B.A. and an Honorary Doctorate from Mary Baldwin College.

Erika Gonzalez-Akre

Erika Gonzalez-Akre
Board Position: Trustee / Country: USA

Erika Gonzalez-Akre is the project manager at the ForestGEO Ecosystems & Climate Research Lab at the Smithsonian Conservation Biology Institute where she manages all aspects of ecological and botanical data collection and curation. Erika holds a B.S. in Earth Sciences Education (Universidad Pedagogica, 1997), a M.S. in Geology (Universidad Central de Venezuela, 2002) and a M.S. in Tropical Botany (University de Los Andes, 2007). Her interests include ecology, botany and conservation biology and how forest research can inform sustainable practices in local communities. Outside of ForestGEO, Erika serves as curator of the Harvill-Stevens Herbarium at Longwood University, the largest collection of Virginia native plants, and is involved in with her husband in community based conservation programs to protect endangered turtles in Mexico. Erika also serves on the boards of the Virginia Native Plant Society and the American Turtle Observatory.

Gustavo Manrique

Gustavo Manrique
Board Position: Trustee / Country: Ecuador

President of Sambito, an environmental consulting and solutions firm in Quito, Ecuador. He is an EARTH alumnus, and has been instrumental in maintaining EARTH’s relationships with its alumni in Ecudaor. Mr. Manrique holds an Agronomy degree from EARTH University.

Ian Davidson

Ian Davidson
Position: Trustee / Country: England

Ian Davidson is the Managing Director, International of The Martin Agency, a firm whose client list includes Geico, The Colonial Williamsburg Foundation, and the JFK Library and Museum. Prior to joining The Martin Agency, Ian worked at McCann-Erickson London for thirteen years as one of their top international account leaders, and at Publicis for nearly seven years, working across a wide range of business categories, including Personal Care, Retail and Cosmetics with Boots, and OTC Pharmaceuticals with GSK. Ian joined the Executive Committee of The Martin Agency in 2013.

Joshua Arnow

Joshua Arnow
Board Position: Trustee / Country: U.S.A

Josh Arnow is a project leader with a focus on strategic philanthropy and innovative initiatives that advance humanity’s transition to a sustainable future. He has extensive experience in real estate development and investment management. Josh currently serves as a director of the Arnow Family Fund, senior advisor to the Buckminster Fuller Challenge and is on the boards of Worldlink and The Sustainability Laboratory.

Kathleen Colson

Kathleen Colson
Board Position: Trustee / Country: USA

CEO & Founder of the The BOMA Project, a U.S non-profit and Kenyan NGO dedicated to the economic empowerment of women and the education of entrepreneurial leaders in northern Kenya. She received a B.A. in Government and History from St. Lawrence University and a graduate certificate in fundraising from the School for International Training in Brattleboro, VT.

Lynn Hoffman-Brousee

Lynn Hoffman-Brouse

Board Position: Trustee / Country: USA

Mark McGahan

Mark McGahan

Board Position: Trustee / Country: USA

Michael Besancon

Michael Besancon

Senior Global Vice President of Purchasing, Distribution and Marketing at Whole Foods Market. He chairs the National Green Mission Task Force at Whole Foods.

Ronald Hoge

Ronald Hoge
Board Position: Trustee / Country: USA

Chairman and CEO of Pinnacle Engines, Inc. Mr. Hoge is a global businessman with thirty-five years of experience and leadership of eight businesses on three continents. He holds a B.A. in Mathematics from Amherst College and an M.B.A. in Marketing from Stanford University.

Sylvia de Leon

Sylvia de Leon
Board Position: Trustee / Country: USA

Retired senior partner at at Akin Gump Strauss Hauer & Feld, L.L.P., one of the world’s largest law firms. Ms. de Leon was the first female and first Hispanic elected partner at Akin Gump and the founder of the firm’s public policy practice, its transportation practice and the women lawyers initiative. She created the Center for Women in Law at the University of Texas and is the chair of The Washington Ballet. She remains in private practice concentrating on oil & gas development and other public policy initiatives. Ms. de Leon received her B.A. from Briarcliff College and her J.D. from the University of Texas School of Law.

Emeritus Trustee


Samuel Kaymen
Country: USA

Charlotte S. Metcalf
Country: USA