Meet Our Staff!
John Slegers - Owner
John has been flying for over 30 years and has accumulated over 15,000 hours in charter flying. He offers free advice to instructors and students. John feels happier in the air than on the ground!
Greg Knapp - Chief Flight Instructor, Check Instructor, CFII/MEI
Greg Knapp is a Captain with United Airlines and is currently flying the B-737. He has been with United for 23 years, 15 years based at O’Hare. Greg has been an instructor for 28 years and employed at Eagle as a Asst. Chief Instructor for 6 years. Instructor ratings include CFII, MEI, and he is also ATP type rated in the B-737. Greg lives with his wife and four children in Valparaiso. He is a 1990 graduate of Liberty University.
Jonathan Teresczenko - Assistant Chief, CFII Flight Instructor, Phase Check Instructor
Jon is a Valparaiso University graduate and has a B.S. in BioChem. After graduating Jonathan decided to fulfill his dream of flying and started training at Eagle. He moved through his training quickly, making the 40 hour club for PPL and IFR. He is also a Gold Seal Instructor. He is instructing Private, Instrument, and Commercial students.
Mayra Gonzalez - Assistant Chief, CFII Instructor, Phase Check Instructor
Mayra trained at Eagle and became one of our assistant Chiefs in 2021. She can instruct Private, Instrument, and Commercial students. She is bilingual and is currently studying at Liberty University. Mayra grew up in Phoenix, AZ and is currently living here in Valparaiso, IN.
John Sendra - CFII Flight Instructor, Phase Check Instructor
John graduated from Lewis University with an Aviation Degree. He received his CFI & CFII here at Eagle. He has over 1500 hours of flight time and is a Gold Seal instructor. He is able to instruct Private, Instrument, and Commercial students.
Justin Welsh - CFII Instructor, CMDR
Justin is a graduate of Purdue University with a B.S. is Biology and from Liberty University with a B.S. in Aeronautics. He also works at Eagle as our maintenance coordinator.
Austin Line - CFII Flight Instructor
Austin graduated from Purdue university and received his CFI training here at Eagle Aircraft. He can instruct Private Pilot and Commercial students.
Dominik Rafinski - CFI Flight Instructor
Dominik graduated from Purdue University with a B.S. in Professional Flight in 2021 and he completed his CFI training here at Eagle. During his time at Purdue, Dominik was a Flight Intern for American Airlines at ORD. He currently lives in South Bend.
Greg Lichtenberger - CFII Flight Instructor
Greg graduated from Indiana State University and lives in the Valparaiso area.
Jeff Wampler - Multi Engine Instructor, Phase Check Instructor
Jeff was a former instructor at Eagle Aircraft and we’re excited to have him back on the crew! He has 12,000+ hours of flight time. He is a business owner and currently instructs part time at Eagle.
Paul Vogel - CFII/MEI Flight Instructor
Paul is a graduate of Purdue University and has been a Flight Instructor at Eagle since 2005. He instructs part-time as a Multi-Engine Instructor. Paul lives in Valparaiso.
Keegan Starkey - Check Instructor, CFII/MEI
Keegan completed her flight training at Eagle and has over 2000 hours. She graduated from Liberty University with a B.S. in Aeronautics in 2017. She piloted Team #14 in the Air Race Classic Women’s Air Race across the U.S. with the Liberty University team. Keegan was an intern with United Airlines before returning to instruct at Eagle. She is a Gold Seal instructor.