
Empower Your Clinic With The Training & Certification That Delivers Real Patient Care Impact

Find A Certified Testosteronologist®
Move from symptoms to solutions by using our Find a Provider Directory to connect with a Certified Testosteronologist® who delivers the highest level of testosterone, androgen, and hormone-related care.
Dr. O'Connor Joins Dr. Phil to Add his Expertise to the Discussion on "BIGOREXIA"

100% Anonymous
Global Anabolic Steroid Survey
Dr. O'Connor and the Testosteronology Society are the co-leaders in the largest-ever anonymous global survey and study on the use of anabolic-androgenic steroids (AAS) and other image and performance enhancing drugs (IPEDs). Please promote this survey as our goal is 10,000 surveys and we need your help.
Please send people to https://survey.testosteronology.com

Find A Certified Testosteronologist®
Move from symptoms to solutions by using our Find a Provider Directory to connect with a Certified Testosteronologist® who delivers the highest level of testosterone, androgen, and hormone-related care.
“I wanted the Testosteronology Society™ to be the world’s first diverse community of healthcare professionals dedicated to providing the highest standard of care for people receiving testosterone, androgens, and other hormone therapies. This work is bigger than any one doctor or healthcare professional and bigger than any single specialty. It is a consortium that brings together internal medicine, naturopathic medicine, functional medicine, pharmacology, family medicine, women’s health and menopausal medicine, cardiology, infectious disease, emergency medicine, endocrinology, urology, and importantly, psychiatry. It takes all of these disciplines to properly care for people on testosterone, androgens, and hormones.”
Thomas O’Connor, MD
Founder and CEO
Testosteronology Society™
Testosteronology® Health Portal
“I wanted the Testosteronology Society™ to be the world’s first diverse community of healthcare professionals dedicated to providing the highest standard of care for people receiving testosterone, androgens, and other hormone therapies. This work is bigger than any one doctor or healthcare professional and bigger than any single specialty. It is a consortium that brings together internal medicine, naturopathic medicine, functional medicine, pharmacology, family medicine, women’s health and menopausal medicine, cardiology, infectious disease, emergency medicine, endocrinology, urology, and importantly, psychiatry. It takes all of these disciplines to properly care for people on testosterone, androgens, and hormones.”
Thomas O’Connor, M.D.
Founder and CEO
Testosteronology Society™
Testosteronology® Health Portal
Testosteronology Society™ Success Stories

Testosteronologist®
Colette Nelson - FNP-C, RD, RN, CDCES, MSCP, AAFE
Being part of this Testosteronology Society™ is truly eye-opening. It has not only made me a stronger advocate and clinician for my male patients but has also elevated the quality of care I provide across my entire practice.
Testosteronology Society™ Vision
To create a world where men and women on androgens receive safe, ethical, and evidence-based care from highly trained, certified Testosteronologists®, supported by a global society that leads the advancement, standardization, and professional growth of the hormone-therapy field.
Testosteronology Society™ Mission
To unite and empower medical professionals and their clinics/practices who specialize in testosterone replacement therapy (TRT) and related men’s and women’s hormonal health fields through education, collaboration, standards, and advocacy.
Testosteronology Society™ Objectives
◉ Establish and uphold industry standards and certifications for testosterone and ancillary hormone therapies for both men and women.
◉ Build a worldwide, multidisciplinary community of clinics and medical professionals dedicated to advancing hormone-therapy excellence.
◉ Provide ongoing professional development through annual conferences, webinars, and continuing education programs.
◉ Maintain a trusted global directory of certified TRT specialists known as Testosteronologists®.
◉ Advocate for responsible, scientifically grounded, and patient-centered hormone therapy practices across the industry.
◉ Foster a collaborative environment where members actively learn from one another, share best practices, and consult together to ensure the highest-quality patient outcomes.
Certified Testosteronologist® Membership
◉ Twice-weekly Grand Rounds Meetings with Dr. O'Connor and other Certified Testosteronologists®
◉ A recognized credential to display in your clinic
◉ A Find A Provider directory listing to attract patients
◉ Committee participation and leadership opportunities
◉ Help shape the future of Testosteronology®
Associate Testosteronologist® Membership
◉ Foundational education
◉ Community involvement
◉ Affordable access to learning
◉ A stepping stone toward full certification
