Meet Our Adjunct Faculty

Leaders in Peptide Therapy, Precision Health & Regenerative Medicine

At Peptide University, we are proud to collaborate with some of the most respected voices in integrative and longevity-focused medicine. Our adjunct faculty are renowned clinicians, educators, and researchers who bring decades of hands-on experience, scientific insight, and passion for transforming healthcare.

Together, they help shape our curriculum, contribute to clinical training, and guide our members in applying cutting-edge peptide therapy for real-world results.

Dr. Gus Vickery, MD

Chief Medical Officer | Precision

Health Authority

An integrative physician and thought leader in personalized medicine, Dr. Vickery brings deep expertise in metabolic health, hormone optimization, and the clinical application of peptides to restore vitality and function.

Dr. Stephanie Rimka, DC

Brain & Biohacking Expert | Mental Wellness Specialist

With a practice rooted in functional neurology, Dr. Rimka is known for her innovative approach to cognitive health, trauma healing, and advanced biohacking. She merges science, spirit, and strategy to optimize the human experience.

Dr. Jonathan Kuo, MD

Regenerative Medicine &

Pain Specialist

Founder of Rejuv Medical, Dr. Kuo brings expertise in pain management, interventional regenerative therapies, and clinical peptide protocols for tissue repair, recovery, and mobility optimization.

Dr. Nafysa Parpia, ND

Environmental Medicine & Chronic Illness Expert

A leading voice in detoxification and complex chronic conditions, Dr. Parpia shares advanced strategies for immune dysregulation, mast cell activation, and how peptides can support healing at the cellular level.

Dr. Kent Holtorf, MD

Endocrinology & Metabolic Health Pioneer

Founder of the Holtorf Medical Group, Dr. Holtorf is internationally recognized for his work in hormone restoration, mitochondrial dysfunction, and cutting-edge protocols that incorporate peptides to reverse complex, chronic conditions.

Dr. Gina Pritchard, DNP, CNS, ACNP

Heart Health & Longevity Advocate

A trailblazer in integrative cardiology, Dr. Pritchard is passionate about reversing cardiovascular disease and supporting women’s heart health using a precision medicine lens—with peptides as a central therapeutic tool.

Dr. Arvind Chakravarthy, MD, MBA

Integrative Strategist & Peptide

Therapy Educator

With a background spanning emergency medicine, longevity therapeutics, and clinical innovation, Dr. Chakravarthy brings a strategic perspective to peptide therapy and its role in scalable, patient-centered care.

Julie Kaesberg, MD

Root Cause & Systems-Based

Medicine Educator

A physician with expertise in identifying and treating underlying drivers of chronic disease, Dr. Kaesberg is passionate about practitioner education, combining clinical science with holistic patient care strategies.

Natalie Niddam, CNP, BCSH

Longevity Biohacker & Bioregulator Educator

Host of the Biohacking Superhuman Performance podcast, Natalie is a global voice in peptide and bioregulator education. She brings unique insight into non-prescriber peptide approaches, terrain theory, and aging optimization.

Our adjunct faculty are not only educators—they're pioneers helping shape the future of regenerative and peptide-based medicine.