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MALT Staff

Jamison Watts, Executive Director
415-663-1158, ext. 301

Jamison is responsible for providing strategic vision and leadership in the execution of MALT’s mission and overseeing all organizational functions, including land protection and stewardship, fundraising, operations, communications, strategic relations and financial management. He joined MALT in 2013 and has worked in natural resources management, land conservation and business development for nearly 20 years. Prior to joining MALT, Jamison served as the executive director of the Northern California Regional Land Trust and as a wildlife biologist and environmental consultant. He holds a bachelor’s degree in environmental biology with an emphasis in conservation biology from the University of California at Davis and a master’s degree in biological sciences from California State University at Chico.

Jamison Watts

Kristine Ball, Director of Development
415-663-1158, ext. 318

Kristine joined MALT in 2007 and oversees its development program—including capital, annual and planned giving as well as marketing, outreach and communications. Prior to joining MALT she worked in the development department at the Branson School and before that served as a vice president in the investment banking area of Bank of America. She has an M.B.A. from the Tuck School at Dartmouth College and a bachelor’s in English literature from Williams College.

 Kristine Ball

Jeff Stump, Director of Conservation
415-663-1158, ext. 303

Jeff directs all aspects of land protection, stewardship, and state and federal government relations for MALT. He joined MALT in 2006 as the Easement Program Director and has worked in land conservation and policy at the local, state and national level for more than 20 years. Prior to joining MALT, Jeff served as the vice president and director of coastal programs for the American Land Conservancy and legislative coordinator for the California Coastal Commission. He holds a Bachelor of Science in environmental policy analysis and planning from the University of California at Davis.

 Jeff Stump

Stacey Witchel, Director of Operations
415-663-1158, ext. 307

Stacey joined MALT in 2011 and is responsible for managing the financial resources of the organization and overseeing human resources and other office management areas. She has more than 20 years experience in finance and operations for organizations and businesses. Prior to joining MALT she served as the director of general accounting operators for Littler Mendelson, an employment and labor law firm. Stacey holds a bachelor’s in accounting from Lehigh University and is a Certified Public Accountant.

 Stacey Witchel

Willa Antczak, Development Manager
415-663-1158, ext. 312

Willa joined MALT in 2015. She oversees development operations and administration, planned giving, and MALT’s Annual Fund. Most recently, Willa worked as the Membership and Development Manager for the Cape Elizabeth Land Trust. Prior to that, she was the Planning and Development Director for the Town of Waldoboro in mid-coast Maine. Willa holds a B.A. in Environmental Studies from the University of Vermont and a master’s of urban planning from McGill University.

 Willa Antczak, Development Manager

Linda Appling, Development Associate
415-663-1158, ext. 306

Linda joined the MALT team in March 2016. Her responsibilities include managing the donor database and membership program, gift entry and event registration. Linda’s prior experience includes seven years with Guide Dogs for the Blind and one year with Nepal Youth Foundation. She holds an associate’s degree in liberal arts from Santa Monica College.


Kelly Brown, Major Gifts Officer
415-663-1158, ext. 308

Kelly joined MALT in 2007 and is responsible for major donor stewardship and events. Prior to joining MALT, she worked in membership and marketing for the Multiple Sclerosis Society of Great Britain and Northern Ireland. She has volunteered for a number of organizations including the Ross Valley Mothers Club Board and Pixie Park Advisory Board. She recently co-chaired her class reunion campaign at the University of California Berkeley, the most successful 15-year reunion campaign in the university’s history. She earned a bachelor’s from the University of California at Berkeley.

 Kelly Brown

Tristan Conway, Outreach Associate
415-663-1158, ext. 321

Tristan heads up our outreach efforts along with coordinating our dedicated team of volunteers to support MALT events and outreach throughout the year. Before coming to MALT, in 2016, Tristan worked for the USDA Agriculture Research Service and spent time as a surgical assistant at a specialty veterinary hospital. She is also the lead horsemanship instructor and community outreach coordinator for Ocean Riders of Marin. Tristan graduated from Oregon State University with a B.S. in Agriculture Science and a minor in Animal Science.


Michelle Cooper, Stewardship Manager
415-663-1158, ext. 320

Michelle joined MALT in 2013 and manages MALT's stewardship program. She also represents MALT in local and regional organizations, activities and projects related to land stewardship and conservation planning. She serves on the Board of Directors for the California Native Grassland Association. Prior to joining MALT, she served as land steward at the University of California-Bodega Marine Reserve where she managed invasive species and conducted grassland restoration research projects and natural resource monitoring.  She earned a bachelor’s in botany from the University of Washington and a master’s in biology from Sonoma State University.

Michelle Cooper

Linda Fissori, Annual Fund Associate
415-663-1158, ext. 305

Linda joined MALT in 2015, managing MALT’s direct mail and online fundraising campaigns and supporting donor stewardship. Prior to joining MALT, Linda was a fundraiser with the American Red Cross Bay Area Chapter, the Corielle Institute for Medical Research, and the Bernardine Franciscan Sisters. She holds a bachelor’s degree in computer science from Mills College, and served as president of the alumnae association as a trustee to the college.

Linda Fissori

Christine Harvey, Database Manager
415-663-1158, ext. 309

Christine joined MALT in 2008 and is responsible for managing membership databases and preparing reports and analyses on all aspects of membership and development. Prior to joining MALT she served as the database manager for the Marin Community Health Foundation, which raised money for both Marin General Hospital and Novato Community Hospital. Christine holds an associate’s degree in social science from the College of Marin and a bachelor’s in creative writing from San Francisco State University.

 Christine Harvey

Colleen Hogan, Office Manager
415-663-1158, ext. 300

Colleen joined MALT as office manager in 2014. Her responsibilities include maintaining the MALT facility, assisting with recruiting and other human resources functions, providing executive support to the executive director and MALT Board of Directors, and general office management. Colleen has over 25 years of operations experience including 16 years as director of administration and coaching operations for E-Myth Worldwide, a small business training organization. She holds a bachelor’s degree from Whittier College.

 Colleen Hogan

Jim Jensen, Stewardship Project Manager
415-663-1158, ext. 313

Jim joined MALT in 2013 and is responsible for assisting landowners in a variety of conservation programs and projects. He assists in the monitoring of agricultural conservation easements, developing weed management plans, GIS mapping, and training stewardship volunteers. He continues to work on his family's 6th generation sheep and dairy ranch in Tomales. Prior to joining MALT, he served as a supervisory forestry technician in Wildland Fire Management for the National Park Service and as a certified arborist for Western Environmental Consultants. He holds a bachelor’s in forestry and natural resources and a minor in rangeland resources management from Cal Poly, San Luis Obispo.

Michelle Cooper

Zach Mendes, Stewardship Project Manager
415-663-1158, ext. 304
zmendes (at)

Zach joined MALT in 2014 to assist landowners with conservation programs and projects, monitor existing easements and evaluate prospective easements. Prior to joining MALT, Zach was the land projects and stewardship coordinator for the Northern California Regional Land Trust. He comes from a dairy farming family in the northern Sacramento Valley and holds a bachelor’s in urban studies and planning from the University of California, San Diego. 

 Zach Mendes

Denise Rocco-Zilber, Event and Volunteer Manager
415-663-1158, ext. 310

Denise joined MALT in 2012 and manages MALT's Hikes, Tours & Tastings program, major fundraising events and the volunteer program. Prior to working with MALT she had produced and designed events set in unique West Marin locations utilizing only local foods, sustainable businesses and resources. Before her career in event production, Denise was a professional environmental photographer reporting stories from over 15 countries. She holds a BFA in documentary photography from Massachusetts College of Art and Design in Boston.

Denise Rocco-Zilber

Eric Rubenstahl, Stewardship Project Manager
415-663-1158, ext. 319

Eric joined MALT in April of 2016. He assists in monitoring existing conservation easements, helps evaluate future agriculture conservation easements, and facilitates best management practices on MALT’s working landscapes. Prior to joining the MALT team, Eric worked with the City of Fort Collins (Colo.) Natural Areas Department and for the South Yuba River Citizens League in Nevada City, Calif. Eric holds a master’s degree in Conservation Leadership from Colorado State University, where his thesis research consisted of creating a management plan for a 22,000-acre private protected area in southern Belize.


Stephanie Tavares-Buhler, Esq., Easement Project Manager
415-663-1158, ext. 302

Stephanie joined MALT in 2013 and supports the acquisition of agricultural conservation easements. Prior to coming to MALT, she interned at the Upper Valley Land Trust, and worked as an energy, environment, and business journalist in Las Vegas. Stephanie grew up in a farming family in Central California. She holds a J.D. and a master’s in environmental law and policy, cum laude and magna cum laude, from Vermont Law School.


Christine Walker, Campaign Coordinator
415-663-1158, ext. 314

Christine joined MALT in 2015 and steers our fundraising campaigns, coordinating with donors, foundations, board, staff and community members. She has 15 years of experience in non-profit outreach and administration, working with arts and environmental organizations like the Golden Gate National Parks Conservancy and the Asian Art Museum of San Francisco. Christine has a bachelor's degree from the University of Washington.

 Christine Walker

Marisa Walker, Marketing & Communications Manager
415-663-1158, ext. 311

Marisa joined MALT in 2013 and oversees all communications and outreach activities, including digital and print communications, branding, public relations, marketing, events, advertising and community outreach. She has 15 years of communications and marketing experience, primarily for nonprofit organizations, including the Breast Cancer Fund, Forest Ethics and TreePeople. Marisa holds a bachelor’s degree in English literature and psychology from Northwestern University.


Lisa Whitaker, Accounting Manager
415-663-1158, ext. 316

Lisa joined MALT in 2014 and is responsible for the day-to-day accounting tasks for the organization as well as supporting the Director of Finance with reporting, organization, programs and budgets. Prior to joining MALT, she worked in environmental consulting. She was a founding partner in two environmental drilling firms, where her accounting skills were honed by maintaining financial control of rapidly-growing businesses. Lisa holds a bachelor’s in geology from the University of California at Santa Barbara.