Board of Directors


L-R: Kevin Thornton, Susan Koehler, Tim Snell, Lorraine Heartfield, Tom Oppenheim (President), Ed Clifford, Eileen Jennings (Secretary/Treasurer), Micki Harrington (Vice-President), and Jim Gallagher. (Not pictured; Jason Evins)

The Northwest Arkansas Land Trust Board of Directors is a dedicated group of community leaders with expertise in law, land development, engineering, business, finance, and ecology.  They live and work in Northwest Arkansas and meet regularly to direct the activities of the land trust.

Tom Oppenheim


Tom is a Project Leader for CEI Engineering in Bentonville, AR. He is a civil engineer and is a Certified Professional in Erosion and Sediment Control.

Michelle ("Micki") Harrington

Vice President

Micki is the senior partner of the downtown Springdale, AR law firm, Harrington, Miller, Kieklak, Eichmann and Brown, P.A. Her practice includes estate planning, probate, contract and real estate law.

Eileen Jennings


Eileen was raised in Madison County, AR. She is the vice president of commercial banking at Arvest Bank in downtown Fayetteville, AR.

Ed Clifford

Jones Center for Families

Ed retired from Walmart after 17 years to serve as President and CEO of the Bentonville/Bella Vista Chamber of Commerce. He is currenly the Director of the Jones Center for Families in Springdale, AR.

Tim Snell

The Nature Conservancy

Tim is the Associate State Director of The Nature Conservancy, Arkansas. He oversees TNC's Arkansas Water Resources Initiative to develop and implement water resource strategies that protect aquatic habitats.

Lorraine Heartfield

Environmental Consultant

Lorraine spent more than forty years as an archeological and environmental consultant, specializing in regulatory compliance and project management. She was president of Heartfield Price and Greene, Inc. an archeological and environmental consulting firm based in Monroe, Louisiana.

Kevin Thornton

Walton Enterprises

Kevin Thornton is a communications professional, having worked in radio, television and corporate communications roles. He is currently Director of Digital Media/Communications at Walton Enterprises. Kevin has served in several community volunteer and leadership roles, including two terms on the Elm Springs City Council.

Susan Koehler

Susan Koehler is a communications and community relations professional with diverse industry experience including energy, broadcasting, telecommunications and retail. Susan has lead small business development by supporting national nonprofits that provide training and access to capital to underserved entrepreneurs. Susan is an avid equestrian, and the daughter of sporting artist Henry D. Stallworth, which has deepened her appreciation for nature and open space.

Jim Gallagher

Landmark Real Estate & Investment

Jim has a passion for both real estate and building relationships. As a Senior Vice President with Landmark Real Estate & Investment, he has combined those two passions to help clients with their residential, commercial and real estate investment needs for the past three years. Prior to his career in real estate, Jim was with Walmart and Sam’s Club for 32 years, a career that he began as a part-time stocker in Lawrence, Kan., at age 17, and which later took him across seven states and a two-year assignment in Canada. Prior to his retirement from Sam's Club, Jim was a Buyer at the corporate office in Bentonville, Ark. Jim and his wife, Christi, who also works for Sam's Club, have called Northwest Arkansas their home for the past 16 years. Their son, Tyler, daughter-in-law, Michelle and grandson, Gus, live in Savannah, Ga. His hobbies include hiking, camping, fishing, muscle cars and spending time with family.

Jason Evins

C. R. Crawford Construction

Jason has a diverse background in Real Estate, Finance and Human Resources and currently manages several corporate functions for CR Crawford Construction in Fayetteville. Jason worked for Cooper Communities and Walmart before joining CR Crawford and he is a member of the MBA Alumni Advisory Board at the Sam M. Walton College of Business.