Shane Geib, M.D.
Founder · Board-Certified Urologist
Urologist & Men's Sexual Health Expert
Dr. Geib is a urologist certified by the American Board of Urology. He earned his medical degree with honors from the University of Missouri and completed a residency in urology at The George Washington University in Washington, D.C., during which he received the prestigious Pfizer Award.
With over a decade of dedicated practice in men's sexual health and hormonal optimization, Dr. Geib founded Obsidian because too many men were being failed by reactive, fragmented healthcare. His patient-centered approach combines rigorous diagnostics with personalized treatment plans designed to achieve measurable, lasting results.
Specializations
Marc Richman, M.D.
Founder · Board-Certified Urologist
Urologist & Men's Sexual Health Expert
Dr. Richman is a urologist certified by the American Board of Urology and a member of the American Urologic Association. He was Phi Beta Kappa at Wesleyan University, where he obtained his undergraduate degree. He earned his medical degree, summa cum laude, at the State University of New York at Buffalo, where he was elected into Alpha Omega Alpha.
Dr. Richman's clinical expertise spans the full spectrum of men's sexual health. His approach emphasizes thorough diagnostic evaluation, identifying root causes that other providers miss, and building enduring physician-patient relationships that produce superior outcomes over time.