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Jack London State Historic Park


Tjiska Van WykTjiska Van Wyk
Executive Director

Tjiska has had a long standing love affair with the open spaces of Northern California and has dedicated her career to Natural Resource protection. Over the past 30 years she has organized multi-million dollar capital and endowment campaigns, led marketing and public relations efforts and established development departments for organizations such as the San Francisco Zoological Society, Sierra Club, Earthjustice and America Red Cross Bay Area. She co-founded Rachel's Network, a membership of philanthropic woman advancing environmental issues and consulted with Defenders of Wildlife, Save the San Francisco Bay and Marin County Parks on fundraising strategies to support innovative projects. She was thrilled to become the Executive Director for the first non-profit that helped save a park from closure.


Deborah LargeDeborah Large
Community Events Manager

Deborah enjoyed 35 years researching the history of property and land use. Now she has transferred that love of the land to inspiring folks to visit our beautiful park. As the Community Events Manager she creates events to highlight the fascinating aspects of the park from musical, literary, historical to outdoors nature hikes. She approaches all with a genuine enthusiasm and good humor that is contagious. Deborah is always eager to share her skills of graphic design, website management, her love of photography and of course her reverance for the splendors of the land.

Eric MetzEric Metz
Director of Operations

Years ago Eric lived and worked on a property adjacent to Jack London State Historic Park. It was during this time he began to explore and fall in love with the park and its surroundings. With nearly twenty years experience in maintenance, construction, manufacturing and management, he believes that he has finally found a place where his skills and his passion for the park and the outdoors have come together.

Michelle MilneMichelle Milne
Retail Manager

Michelle is first and foremost an artist which gives her a unique and creative view and adds flair to what sells in Jack's Bookshop. Her 15 years in retail, 10 years in office management and five years as a park aide equip her to make first rate merchandise decisions while also enhancing the visitor experience with interpretive information that enlightens and inspires. She loves history and historic parks, especially in California and finds it a privilege to work at the park and help keep the London's legacy alive.

Andrea PatriAndrea Patri

Andrea grew up in Sonoma, but couldn’t wait to leave. She received her BS Degree from San Jose State, worked for Banana Republic in Washington DC, Maryland and San Francisco. Andrea moved to New York to study Fashion Design. Eventually realizing Sonoma was the best place to raise her kids, she moved back in 2004. She now spends her time balancing her love of knitting and scrapbooking, with raising two children and keeping the books for several local companies. As a child Andrea enjoyed exploring the hills and trails around Jack London State Park and is happy she now has the opportunity to share it with her kids

Susan St MarieSusan St Marie
Director, Volunteer and Program Management

Susan believes her dreams came true when she was not only given the opportunity to work with an outstanding group of volunteers and fellow staff members but to have her “office” in beautiful Jack London State Historic Park! With 35 years’ experience in retail management, 2 years as a State Park Volunteer and 6 years as a State Park Volunteer Program Coordinator she expertly contributes to the development of programs for volunteer recruitment, leadership and retention which  meet the emerging needs of Jack London State Historic Park and Sugarloaf Ridge State Park.

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