The 20 Minute Call - A Skydiving Podcast

Tell Us What You Thought Of This Episode Mark "Trunk" Kirschenbaum is a skydiving photographer, electrical engineer, and founder of Hypoxic — the go-to source for camera equipment in human flight. After designing the Hypeye D Pro, a video controller and indication system that sold over 13,000 units, Trunk left his corporate engineering career behind to pursue Hypoxic full-time. Today, his products are used by professionals worldwide. In this can't-miss episode, Trunk shares the origin of his ...

Tell Us What You Thought Of This Episode Jens Gronemeyer is the President & CEO of Alti-2 Technologies. A computer engineer, entrepreneur, active skydiver, experienced jump pilot, and former drop zone operator, Jens made his first skydive in Höxter, Germany in 1997 and has since logged more than 8,900 jumps. Before acquiring Alti Two in 2021, he built and sold successful technology companies in Europe. He competes in 4-way, 8-way, and 16-way formation skydiving and brings a rare perspecti...

Tell Us What You Thought Of This Episode Wendy Kiwi Smith is one of skydiving's most decorated figures - an aerial cinematographer, athlete, coach, and safety leader with over 23,000 jumps, 10 world records, three Guinness World Records, and an Emmy Award. In 2025, she was inducted into the International Skydiving Hall of Fame. Topics covered: Growing up on a farm in rural New Zealand and what shaped her fearlessnessHow she stumbled into skydiving and never looked backBuilding a career as an ...

Tell Us What You Thought Of This Episode This is a must-listen episode. Jim Cowan's passion for skydiving is infectious, and his storytelling will have you hanging on every word. A second-generation skydiver from St. Louis who started packing parachutes at age 10, Jim recounts jumping into a Cardinals game at 18 and being interviewed by Jack Buck - then taking Jack on a tandem jump 20 years later. He also talks about forming Quantum Leap with his brother and best friend, winning the World Cha...

Tell Us What You Thought Of This Episode Pete Allum (36,000+ jumps, 19+ British national titles, four Italian national championships, 2022 Hall of Fame inductee) sits down for a candid look at four decades in skydiving. He reflects on finding his identity on the drop zone as a teenager, how he transformed crippling competition anxiety into a refined mental performance system, and his ongoing work continuing Vince Reffet's UPT Mutant legacy. Pete also speaks with rare honesty about...