- National Organization

When you're in the business of creating unique, cutting-edge science curriculum, you need specialized expertise in some out-of-the-ordinary areas.

Challenger Center's national organization staff includes experienced educators and space scientists who work to ensure that our products meet the highest standards for educational and scientific excellence. Leaders in their fields, these staff members are also engaged in scholarly research and are active members of their professional communities.

Learn more about them and their exciting work by following the links below.

• Timothy Livengood, Ph.D.
  Astrophysicist
• Leisa Clark, M.S.
  Manager of Educational Materials
• Elizabeth Miller
  Science Education Specialist
• Ken Pulkkinen, M.S.
  Family Science Night Coordinator
• Harri Vanhala, Ph.D.
  Astrophysicist