Dr. Melissa Grill-Petersen, DC, MS, BCHH is a global thought leader in longevity science, regenerative medicine, and systems-based health design. She is the Founder and CEO of Human Longevity Global and President of Peptide University, where she leads clinical education and innovation at the intersection of healthspan science and small-molecule therapeutics. With over 25 years of experience as a clinician, educator, and strategic advisor, Dr. Melissa is known for translating complex biology into practical, evidence-informed frameworks that support clinicians, organizations, and systems in advancing human health and performance.

She is the creator of the BioHealthSpan Model, an integrative clinical framework that guides the application of longevity science—including peptides and other small molecules—through a systems-based lens of biology, behavior, and environment. This model enables practitioners across disciplines to safely and effectively integrate emerging therapies into clinical care. Dr. Melissa serves on advisory boards across biotechnology, diagnostics, and health innovation, and is a TEDx speaker and best-selling author of The Codes of Longevity. Her work focuses on redefining aging as a modifiable process and advancing scalable solutions for vitality, resilience, and long-term human flourishing.