Meet Clark Planetarium
Our mission is to inspire and engage curious minds by connecting people to the wonder of the universe.
For more than 50 years, Clark Planetarium has been Salt Lake’s go-to destination for visitors of all ages who want to discover and learn about space and science.
Clark Leadership Team

Duke Johnson
Director
Durand ‘Duke’ Johnson is the director of Clark Planetarium. He has more than 30 years of experience as a leader, educator and exhibits expert. He has worked and collaborated with planetariums and science centers throughout the country. Johnson was an adjunct astronomy professor for nearly 10 years, and is an accomplished writer and award-winning photographer (specializing in astrophotography). Johnson has worked for Clark Planetarium since 2003.

Jason Sills
Associate Director, Marketing and Programs
Jason oversees Community Programs, Education, and Marketing. Jason’s professional history includes ecommerce, higher education, and cultural institutions. Jason first realized his passion for science education as a lecturer and science demonstrator at the Hansen Planetarium. He holds an MPA and MS in Program Evaluation and Data Analytics from the School of Public Affairs at Arizona State University where he continues to serve as a part time faculty member.

Anna Marie Tueller
Associate Director, Administration, Finance, and Guest Experience Team
Anna Marie Tueller oversees strategic financial planning, ensuring that the organization’s resources are managed wisely and aligned with its long-term strategic plan and mission. In addition, her team works as the main liaison from Clark Planetarium to Salt Lake County human resources operations.

Richard Cox
IT & Theaters Manager
Richard Cox guides technology and information systems strategy for Clark Planetarium. In addition, he leads the programming and care of the Northrop Grumman IMAX Theater and the Hansen Dome Theater.
Contact Clark Planetarium
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Clark Planetarium Advisory Board
Offering strategic guidance, this exceptional group helps shape the organization’s vision and direction.
View the monthly board minutes and agenda.
Bianca Lyon, University of Utah College of Science |
Ahsan Iqbal, Community Volunteer, Vice-Chair |
Jim Brass, Community Volunteer |
Jonathan Ebbeler, eFUSION Consulting |
Andrea Garavito-Martinez, PhD, Weber State University |
Jordan Hansen, Moreton Asset Management & George T. Hansen Foundation |
Julia Kamenetzky, PhD, Westminster College |
James Karner, PhD, University of Utah Department of Geology |
Emily Lenhardt, Utah Women Astronomical Society |
Michelle Love-Day, Love-Day Educational Consulting |
Madelaine Miller Anderson, Community Volunteer |
Rodney Parker, Snow, Christensen and Martineau |
Marisol Perez Gonzalez, Network Director, United Way |
Ulrich Rassner, University of Utah |
Olga Siggins, Northrop Grumman |
Laurie Stringham, Salt Lake County Council |
Tanasia Valdez, Salt Lake Community College |
Special thanks to Mayor Jenny Wilson and the Salt Lake County Council |
Employment
Employment Opportunities at Clark Planetarium and Salt Lake County.