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Executive Director
Liz Hobson

Liz brings 18 years of professional experience in non-profit organizations, museums, and historic sites throughout the country. She actively contributes to conversations in the museum field about best practices and trends through her involvement in national, regional, and local history and museum organizations.  She holds a Bachelor of Arts in History from California University of Pennsylvania and a Master’s degree in Public History from Middle Tennessee State University.

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Director of Development
& Board Relations
Larissa Knopp

Graduated with a PhD in Modern World History with an emphasis in American History from St. John’s University. Currently pursuing a Master of Business Administration. Larissa served for one year as an AmeriCorps VISTA in Arlington, WA, where she was introduced to Resource Development. She has experience in event planning, strategic planning, donor management, and annual giving campaigns. Larissa is excited to be part of the Yakima Valley community!

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Chief Curator of
Collections and Archives
Mike Siebol

Graduated from Washington State University in Anthropology and History.  Worked as an archaeologist in Southeastern Oregon, Montana, Wyoming, and in the lithics lab at WSU.  Previously worked at the WSU Museum of Art, WSU Anthropology Museum, Columbia Gorge Discovery Center and Museum, and the North Cascades National Park.  Joined the Yakima Valley Museum in 2001. Mike has been a Director on the Washington Museum Association Board and on the Yakima Historic Preservation Commission. 

John Baule

Graduated summa cum laude from the University of Dubuque, Iowa with a BA in mathematics and physics. He then obtained an MA in History Museum Studies from Cooperstown, University of New York. After working as Director of several historical societies, John joined the Yakima Valley Museum as its first professional Director in 1992 and served until his retirement in 2016. He was appointed Director Emeritus at that time and he still works part-time as the museum’s archivist. John oversaw a dramatic expansion of the museum during his tenure and was responsible for the museum being accredited by the Alliance of American Museums. He has received multiple honors and awards.

Curator of Exhibits
Heath Lambe

Mr. Lambe graduated cum laude from Cornish College of the Arts in Seattle, WA, earning a Bachelor of Fine Arts degree with a specialization in Sculpture & Video Art. Additionally, he holds an Associate Arts Degree in Graphic Communications with Honors from Collins College in Tempe, AZ. With over 20 years of experience in Art, Design, and Fabrication, Mr. Lambe is a highly skilled fabricator and artist with a diverse set of skills. Mr. Lambe strongly believes in the power of community service. He has served two terms on the Yakima Arts Commission, played a pivotal role in the Yakima Maker Space reboot in 2016, and was on the board of directors until December 2021. Currently, Lambe serves on the board of directors of Yakima Valley Tourism.

Curriculum & Educational
Tour Developer
Stanley Adamiak

Graduated with PhD in Military History from the University of Nebraska- Lincoln. After teaching for over 25 years at the university level, Stan brings experience with not only history, but Teacher Education and Museum Studies programs to expand the museum’s offerings to local schools and the community.

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