Dr. William Christopher Croley, MD is a board-certified physician, aesthetic medicine educator, and business consultant with over 20 years of clinical experience. He is the founder and medical director of Skin & Tonic, a medical aesthetic practice, and serves as Chief Medical Officer for Empire Medical Training. Dr. Croley is a national and international speaker specializing in advanced injectable techniques, energy-based devices, complication management, and business strategy in aesthetic medicine.

He trains physicians and advanced practice providers across the United States in neurotoxins, dermal fillers, biostimulatory agents, regenerative therapies, ultrasound guidance, and laser technologies. Dr. Croley is known for integrating safety, anatomy, and evidence-based protocols into practical, real-world clinical application.

In addition to his clinical and teaching work, Dr. Croley consults with aesthetic practices on startup strategy, leadership development, operational efficiency, and sustainable growth. His educational approach emphasizes patient safety, clinical precision, and sound business fundamentals.