Dr. Ky Kobayashi

Lt Col Henderson brings over 30 years of distinguished service to the United States Air Force, with a career that spans roles as an enlisted pharmacy technician, cadet, fighter pilot, and orthopedic hand surgeon. After enlisting in 1989, he earned an appointment to the U.S. Air Force Academy, graduating in 1996. He went on to fly the F-15C as a mission commander based out of Kadena AB, Japan, and was awarded the Air Medal for over 100 hours of combat time patrolling the Northern No Fly Zone over Iraq during the events of September 11, 2001.Following his aviation career, Lt Col Henderson pursued medicine, earning his medical degree from the University of Texas Southwestern Medical School in 2006. He completed his orthopedic surgery residency at the Uniformed Health Education Consortium in San Antonio and a fellowship in Hand and Microvascular Surgery at the University of Texas Health Science Center. Since 2012, he has served at the U.S. Air Force Academy, where he has held leadership roles as Chief of Hand Surgery, Chief of Orthopedic Surgery, and Chief of Surgery for the 10th Medical Group. He has also been a dedicated team physician for Academy athletes. Lt Col Henderson’s career is a testament to his deep commitment to service, excellence, and care—hallmarks of both his military and medical professions. Dr. Henderson is rated as an Advanced provider by MediFind in the treatment of Radial Nerve Dysfunction. His top areas of expertise are Rhizarthrosis, Radial Nerve Dysfunction, Carpal Tunnel Syndrome, Osteoarthritis, and Bone Graft.

Dr. Gregg Martyak is a fellowship trained orthopedic surgeon, board certified by the American Board of Orthopedic Surgery (ABOS).  He has a Certificate of Added Qualification in Surgery of the Hand. He specializes in the treatment of injuries to the hand and upper extremity of both adult and pediatric patients, including microvascular surgery, complex nerve injuries, traumatic reconstruction, arthroscopy and joint replacement. Dr. Gregg Martyak is a distinguished graduate of the University of Virginia and Georgetown University. He received his medical degree from Jefferson Medical College and completed his orthopedic surgery residency at the Rothman Institute/Thomas Jefferson University in Philadelphia, PA. He followed this with a fellowship in hand and microvascular surgery at the Philadelphia Hand Center. Dr. Martyak served in the United States Air Force from 2008- 2012 achieving the rank of Lieutenant Colonel. He has extensive experience with combat casualty care with multiple deployments in Iraq and the Middle East. He was a clinical instructor for the combined US Air Force/ US Army combined orthopedic residency program at Brooke Army Medical Center, San Antonio, TX. He is an Assistant Professor of Surgery at the Uniformed Services University of Health Sciences in Bethesda, MD. Dr. Gregg Martyak was part of the team to perform the first hand transplantation at a military facility. Dr. Martyak has continued to care for military patients in Colorado Springs since 2012. Dr. Martyak is rated as an Advanced provider by MediFind in the treatment of Radial Nerve Dysfunction. His top areas of expertise are Carpal Tunnel Syndrome, Rhizarthrosis, Ganglion Cyst, and Radial Nerve Dysfunction.

Originally from Minnesota, Dr. David M. Bierbrauer joined Cornerstone Orthopedics and Sports Medicine, a division of OCC, in 2011. He is a board-certified orthopedic surgeon, whose primary interest is in hand and elbow surgery, as well as a secondary interest in trauma care and sports medicine. Dr. Bierbrauer is an active member of the American Academy of Orthopedic Surgery, American Society for Surgery of the Hand, Western Orthopedic Association, and Colorado State Medical Society. Prior to working at Cornerstone Orthopedics, Dr. Bierbrauer graduated Cum Laude with a Bachelor of Arts Degree in Biology and Chemistry from St. Olaf College in Northfield, MN. He attended The Chicago Medical School at Rosalind Franklin University, where he was a Dean’s Award recipient. After medical school, Dr. Bierbrauer completed his residency at the University of Illinois at Chicago Hospital and his fellowship in Hand and Microvascular Surgery at the Christine M. Kleinert Institute in Louisville, KY. In 2011, he worked at Front Range Orthopedics in Colorado Springs from 2005-2011. As the official US Ski Team Physician, he has had the opportunity to travel internationally to France and Canada. Dr. Bierbrauer is rated as a Distinguished provider by MediFind in the treatment of Radial Nerve Dysfunction. His top areas of expertise are Rhizarthrosis, Tennis Elbow, Ganglion Cyst, and Trigger Thumb.