Our Team

HumanFX team consists of medical doctors and seasoned specialists in human biology with extended experience in PRP, regenerative cells and stem cells.

Dr. Nathan Katz, PhD, HCLD

Cell Biologist

Dr. Natan Katz has 20 years’ experience in a field of Human Biology and Genetics, with a solid background in commercial applications of scientific achievements in this area. Dr. Nathan Katz established and managed one of the assisted reproductive practices in Middle East, Eastern Europe and Central America. Dr. Katz is recognized in the U.S. as one of most experienced professionals practicing single cell micro-manipulation, nuclear transfer and genetic diagnosis.

Dr. Peter D. Geldner, M.D.

Plastic Surgeon

Leading the charge in life-changing enhancement and progressive, patient-focused care, Dr. Peter D. Geldner, M.D. is one of Chicago’s master plastic surgeons and founder of The Geldner Center in Chicago and Hinsdale, IL.

Dr. Peter Hoepfner, M.D.

Orthopaedic Surgeon


Dr. Peter Hoepfner is dual board-certified in orthopaedic surgery and in hand and upper extremity surgery. He has published numerous articles in leading medical journals and serves as an instructor of hand injuries for the national hand surgery organization where he teaches the most current techniques in treating complex wrist, elbow and shoulder injuries.

Dr. Emily Chatskis, M.D.

Internal Medicine

Dr. Emily Chatskis is a board certified physician with more than 20 years of experience in Internal Medicine and over 10 years of experience in Wound Care.  She is currently the Medical Director of the Wound Care center at Condell Hospital in Libertyville IL where she treats diabetic, arterial, chronic, non-healing wounds.  She is also currently affiliated with Weiss Memorial Hospital in Chicago.  Her current interest and specialization lies with in-office procedures such as joint injections, dermatological procedures, cosmetic procedures, and wound debridement.

Dr. Anthony Spitz, DPM, PC

Podiatric Physician and Surgeon

Dr. Anthony Spitz is podiatric physician and surgeon with 24 years of experience, with podiatric practices in both Wheeling, IL and Chicago. A member of the Academy of Ambulatory Foot and Ankle Surgery, Dr. Spitz holds a certificate from the Wenske Laser Center on the “Current and Future Application of the Laser in Podiatric Medicine and Cutaneous Disease”. Dr. Spitz has extensive experience treating patients with bone fractures, arthritis and soft tissue injuries through the use of PRP (platelet-rich plasma).