Research
- Planetary surfaces
- Impact cratering
- Outflow channels
- Imaging
- Radar
- High-altitude flight
- Spacecraft mission design
- Spacecraft operations
- Radio communications
- Water and energy policy
Hobbies
- Books!
- Amateur radio
- High-altitude ballooning
- Founder of the University of Arizona Near Space Club
- Hiking
- Caving
- Campaigning for transparency in government and honesty in politics