Staff


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Darla Guenzler, Ph.D

Executive Director

Guenzler has worked in the land conservation field for nearly twenty years, and her leadership is recognized throughout the state and nation.  In 2005, she founded the California Council of Land Trusts, a statewide association of nonprofit land … Read more


Kelly Velasco

Associate Director

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Kelly Velasco has worked in the California land trust community for nearly a decade. As Associate Director, she is responsible for cultivating and maintaining relationships with WHF’s public agency and statewide community partners, assisting with the Foundation’s … Read more


Gaylene Tupen

Senior Wildlife Biologist

Gaylene Tupen is a biologist with over 20 years of professional experience in natural resource management. She has a B.S. in Environmental and Systematic Biology from Cal Poly, San Luis Obispo. Ms. Tupen is experienced in wildlife … Read more


Lisa Williams

Operations Manager

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Lisa joined WHF in May 2008, bringing with her many years of experience in office management, contract administration, human resource management, bidding and project support for the construction industry including experience working in commercial property management and … Read more


Lance Spece

Lance Spece

Land Manager

Lance joined Wildlife Heritage Foundation in Spring of 2020. Lance was born and raised in Sacramento County and graduated from Humboldt State with a Bachelor of Science in Environmental Science and Management, with an emphasis in Planning and … Read more