NASA Science Mission Directorate (SMD)
NASA Goddard Space Flight Center
Co-Director for the Center for Science Teaching & Learning, Northern Arizona University
Space Telescope Science Institute
Foothill College and Univ. of San Francisco
Univ. of Arizona
LaGuardia Community College
Grand Rapids Community College
AAS Solar Eclipse Task Force, Project Manager
Kids Out and About
Department of Physics & Astronomy at the University of Texas at San Antonio (UTSA)
Univ. of Alaska Anchorage
Denver Museum of Nature and Science
Univ. of Alaska, Anchorage
Willamette University Pacific Northwest College of Art Portland Community College
Earth and Space Educational Consultant
International Planetarium Society
International Planetarium Society's Education Committee
Senior Advisor, ASP Former CEO, ASP (2014-2024)
Institute for Learning Innovation
Embry Riddle Aeronautical Univ.
Oregon State Univ.
Sickler Consulting
Astronomy Without Borders
International Dark Sky AssociationIDA
National Science Foundation
Rockman et al Research & Evaluation
SETI