Dr. Kolon has published extensively in the area of long-term follow-up of patients with undescended testis and varicocele, with specific emphasis on fertility preservation and rehabilitation. Dr. Kolon is world-renowned in this area, authoring national guidelines regarding these conditions.

Dr. Kolon also serves as Urology director of CHOP's Differences of Sex Development Program and works extensively in concert with colleagues in endocrinology, genetics, and psychology helping patients with genital atypia so that reconstruction, if needed, will optimize genitourinary function and patient satisfaction.

BS, Villanova University (Biology), 1984

MS, Georgetown University (Physiology & Biophysics), 1985

MD, Georgetown University School of Medicine, 1989

Associate Chief, Division of Urology

Director, Differences of Sex Development Program

Attending Urologist

Howard M. Snyder III Endowed Chair in Pediatric Urology

Professor of Urology in Surgery

American Medical Association, 1989-

American Urological Association, 1993-

Society for Fetal Urology, 1995-

American Academy of Pediatrics, 1999-

Society for Pediatric Urology, 2001-

American Association of Pediatric Urologists, 2002-

American Society for Reproductive Medicine, 2004-

Society for the Study of Male Reproduction, 2004-

Society of University Urologists, 2004-

National Catholic Bioethics Center, 2008-

Clinical Research Award, First Prize, American Academy of Pediatrics: Urology, 2000, 2011

Pfizer Research Scholars in Urology Award, 2000

Clinical Research Award , Finalist, American Academy of Pediatrics: Urology, 2001

Christina Manthos USURG Research Award, 2001

Clinical Presentation, First Prize, Society for Fetal Urology Biannual Meeting, 2003

Society for Pediatric Urology Research Award - Third Prize, 2004

Clinical Research Award, Second Place, American Academy of Pediatrics, 2012