photo: steve hutchcraft


Linus Eukel

(925) 228-1130
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Linus has significant experience in the public and nonprofit sectors, including with John Muir Land Trust, where he works closely with the Board of Directors and staff to manage change and growth, strategic planning, individual contributed income development, board and donor cultivation, land acquisition, land use planning, stewardship and public education activities. He oversees assets of $15 million and provides vision and leadership to ensure that JMLT achieves its ongoing mission, implements balanced annual operating budgets and meets its ambitious organizational goals for fundraising, financial stability, public visibility, diverse stakeholder partnering and long-range planning. Mr. Eukel is a native of Walnut Creek, California and currently resides with his wife Stephanie and their daughter Olivia in the City of Orinda. He serves on the Board of Directors of the California Council of Land Trusts, Board of Directors of the East Bay Leadership Council, Advisory Council of the Bay Area Open Space Council, and Board of Directors of the Warren W. Eukel Teacher Trust. Linus was educated in the Walnut Creek public school system, is a graduate of U.C. Berkeley, and holds a Master's Degree from the University of New York.
Karen Booth
Individual Giving Manager

(925) 228-5018
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Karen joins JMLT as a 15-year resident of Walnut Creek and honorary Californian. She grew up among the bayous of south Louisiana, and spent many years in San Francisco and Washington, D.C. Despite loving city life, she has grown to adore the rolling hills and ridges of the East Bay, which she explores with friends, her two teenage sons and their German Shepherd Axel. Karen brings years of experience as a journalist, political professional and fundraiser. Karen oversees JMLT’s high-impact donor program -- providing leadership, guiding strategy, and cultivating relationships with individuals who support our ambitious campaigns of land acquisition, conservation and stewardship. She holds a degree in Journalism from the University of Louisiana-Lafayette. When not hiking and working, Karen can be found voraciously consuming all things sci-fi, watching too much TV, tweeting, podcasting about pop culture and scaling indoor rock walls around the Bay Area.
Jay Dean
Marketing Director

(925) 374-4000
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Jay spends his time getting the message out about John Muir Land Trust’s work to protect land in the East Bay for everyone to enjoy today and for generations to come. Jay spent ten years as Chief Marketing Officer of The Trust for Public Land, one of the country’s largest conservation organizations. He serves on the board of High Country News, and served on the Executive Committee and as Marketing Chair of EarthShare, a nonprofit group that manages workplace giving for over 500 environmental groups. Jay is a seasoned marketing veteran with three-and-a-half decades of experience as Chief Marketing Officer and senior brand strategist at blue-chip organizations. Jay holds an MBA from the Haas School at UC Berkeley, and a BA summa cum laude from Harvard College. A thirty-year resident of the East Bay, Jay currently lives in Lafayette with his wife, two daughters, two dogs, one cat, two bunnies, and seventeen chickens. He is usually covered in dog hair, sawdust, trail dust, or all three.
Glen Lewis
Open Space

(925) 228-7612
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Glen helps to oversee the operation, maintenance and preservation of more than 2,000 acres of open space owned by JMLT. In 2009 Mr. Lewis retired from a successful 25-year career as Fire Captain with the Moraga Orinda Fire Department. Prior to his work with the Fire Service, he was employed as a Park Ranger with the East Bay Regional Park District. Glen is a 50-year resident of Martinez, California where he currently lives with his wife Martha, their daughter Kate and son Graham. He was educated in the Martinez Public School System, holds a Bachelor of Arts Degree in Biological Sciences from California State University at Sacramento and is certified in a wide-range of specialized technical training relevant to his job responsibilities. In his spare time, Glen enjoys being active with a variety of hobbies and interests including carpentry, gardening, hiking, bicycling and kayaking.
Linda Michaud-Emin
Conservation Analyst
(925) 228-5013
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Raised on the island of Oahu, Linda retains as a core life principle the sacred Hawaiian philosophy of Aloha ‘āina – a love of the land and a responsibility to nurture it – and this inspires her work with the John Muir Land Trust. As a data specialist, Linda is responsible for overall database management, data analytics and data segmentation. She is in the submittal stage of her PhD dissertation at the Hebrew University of Jerusalem, having received her MA from the University of London (SOAS), and her BA from McGill University. She brings over thirteen years of advanced research and data analysis experience, has worked in the fields of academia, government, labor, and she was a Fulbright-Hays scholar in Turkey. Linda lives in Walnut Creek with her fiancé, Daniel, and their two pugs, Frank and Lilly. In her spare time, she enjoys being active outdoors, learning new languages, cooking, writing comedy, and serves on the board of directors of the International Magicians Society.
Carolina do Val Callao

(925) 228-8232
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Carolina provides essential administrative management to the JMLT team, including database analytics, events coordination, social media, and critical care of our habitat (our office). She brings more than seven years of rich professional experience to her position, having worked in event planning, operations, customer relations and program management support for both the nonprofit sector and hospitality industry. Born and raised in São Paulo, Brazil, Carolina spent her childhood summers exploring the Amazon at her family’s cattle ranch where she enjoyed horseback riding, swimming in rivers and tending the family vegetable gardens. Carolina currently resides in Walnut Creek with her husband Cesar, their son Bruno and daughter Luiza. When outside the office at her free time, she enjoys hiking with her family as well as exploring our beautiful Bay Area region.
Krista Vossekuil
Development and Communications Manager

(925) 228-5040
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Krista is grateful for the opportunity to contribute to JMLT’s mission of protecting and caring for open space, ranches, farms, parkland and shoreline in the East Bay, where she was born, raised and currently resides. Her diverse career working for Bay Area nonprofits spans over a decade and includes donor relations, marketing and communications, public affairs and business development. As Development and Communications Manager, Krista oversees corporate giving and volunteer programs through JMLT’s Corporate Council, employee and workplace giving, and supports marketing and communications, and individual giving efforts. Born at John Muir Hospital in Walnut Creek, she feels a special connection to the people, history and landscape of Contra Costa County. Krista graduated from the University of California, Davis with Bachelor Degrees in English and Political Science, and a minor in Women and Gender Studies. She lives in Martinez and, in her spare time, enjoys birding, hiking, and spending quality time with friends.