Dr. John Leonardo, MD , the President of Leonardo Medicine Professional Corporation (LMPC), is an American Board of Anesthesiology Diplomat and a Chronic Pain Management Specialist in Ontario, Canada. He has been in private practice since 2006 and maintains a busy practice in the GTA and NYC offering services in Aesthetic Medicine, Regenerative Medicine, Sexual Health, and Anti-Aging.

Dr. John Leonardo, MD holds the following distinctions:

• Pioneer in the field of sexual medicine having trademarked the p-Girth™ male augmentation procedure, Grotox® (Penile Botox) and Scrotox™.
• Coauthor with Drs. Jani van Loghem, Shino Bay Aguilera, Sebastian Cotofana, and others in their textbook, "Calcium Hydroxylapatite Soft Tissue Fillers Expert Treatment Techniques".
• Awarded Aesthetic Medicine Specialist of the Year in 2021, 2022, and 2023 by Corporate Livewire Canada Prestige Awards.
• Member of the Cellular Medicine Association as the first physician trained by Dr. Charles Runels, inventor of the Vampire Facelift®, Priapus Shot®, O-Shot®, etc. He is Dr. Runels's official trainer in Ontario.
• Clinical Instructor for Empire Medical Training where he teaches courses in Botulinum Toxin, Dermal Fillers, and PRP Aesthetics in various locations such as Toronto, NYC, Chicago,and Las Vegas.
• Dr. Alan Bauman's first Certified Hair Coach in Ontario. Dr. Bauman is arguably the top name in Hair Restoration. Dr. Leonardo is known for his painless One & Done Hair Restoration procedure and sits on the Medical Advisory Board for Hair Sciences, creators of Formulas 82M, 82F, and 82S.