Joshua Pepper is a Program Scientist for NASA's Astrophysics Division while on academic leave as a professor in the Physics Department at Lehigh University in Bethlehem, PA.  He is a Deputy Program Scientist for the Exoplanet Exploration Program (ExEp), Deputy Program Officer for the Astrophysics Data Analysis Program, and is the Program Scientist for the Transiting Exoplanet Survey Satellite (TESS) mission.  He also works on the Time Domain And Multi-Messenger (TDAMM) program and the NASA Open-Source Science Initiative.

Full Bio on NASA.gov

NASA JPL Solar System Ambassador (Bethlehem, PA)

Marty McGuire is an amateur/backyard astronomer and lifelong aeronautical & space enthusiast in Bethlehem, Pennsylvania, and enjoys presenting to groups of all ages in the Lehigh Valley area. He can be found on social media as "Backyard Astronomy Guy" and has participated in "#NASAsocial" events at NASA Headquarters, NASA Kennedy Space Center, NASA Goddard and NASA Wallops Flight Facility. He likes to stay current with developments in human spaceflight, solar system exploration and deep space telescope missions.

NASA JPL Solar System Ambassador (Lancaster, PA)

Axel Diaz was born and raised in Ponce, Puerto Rico and came to Lancaster, PA in 1998. After graduating from high school he decided to pursue a career in technology. After graduating from the Institute of Technology of Ponce in 1987 with an associate degree in Biomedical Technology, he attended the Ponce Paramedical College where he studies sales and marketing. While living in Puerto Rico, Axel learned America Sign Language and acted as interpreter. Since 1999, Axel has been working for a manufacturing company as a production supervisor in Lancaster and recently went back to college to pursue a degree in mechanical engineering.

NASA JPL Solar System Ambassador (Monroe, NJ)

On any given clear night in East Brunswick, New Jersey, you can find Isaac Osores, equipped with his telescope, observing planets, stars, and moons from his backyard. It is through these sessions that he captures images and videos of these astronomical objects that are often shared through his social media accounts. He is originally from New York where he earned his bachelor's degree in Computer Science from the College of Staten Island -- CUNY. When he isn’t programming or doing some amateur astronomy, you can count on him 3D printing objects at home and tinkering with electronics.

Speaker: "My Big 2001: A Space Odyssey Epiphany"