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 Greater Toronto Area and NYC offering services in Aesthetic Medicine, Regenerative Medicine, Sexual Health, and Anti-Aging.

Dr. John Leonardo holds the following distinctions in Sexual Health and Aesthetic Medicine:

• Pioneer in the field of sexual medicine having developed protocols in penile and scrotal neurotoxins and dermal filler augmentation since 2019.
• Registered/Trademarked the following marks: P-GIRTH® (US) male augmentation procedure, GROTOX® (Canada) Penile Botulinum Toxin, ScroGro™ Scrotal Enhancement, and RimTox™ Anal Botulinum Toxin.
• Coauthor with Drs. Jani van Loghem, Shino Bay Aguilera, Sebastian Cotofana, and other notables in their textbook, "Calcium Hydroxylapatite Soft Tissue Fillers Expert Treatment Techniques".
• Awarded Aesthetic Medicine Specialist of the Year in 2021, 2022, 2023, 2024, and 2025 by Corporate Livewire Canada Prestige Awards.
• Faculty Member at UMA Academy.
• Trainer for Merz Aesthetics Canada.
• Cellular Medicine Association (Dr. Charles Runels) Affiliate since 2016 and Official Trainer
• Hair Science Medical Advisory Board