Dr. Mathias Masem is a board-certified orthopedic surgeon specializing in upper extremity surgery, with extensive experience treating complex conditions of the hand, wrist, elbow, and shoulder. He earned his medical degree from the University of Minnesota and completed his orthopedic surgery residency at the University of California, San Francisco (UCSF). In addition to his clinical practice, Dr. Masem has served as a team physician for the University of California, Berkeley, providing orthopedic care for collegiate athletes at the highest level. His expertise in musculoskeletal health, performance optimization, and regenerative medicine supports a patient-centered approach focused on restoring function, mobility, and overall wellness. Dr. Masem brings decades of surgical and sports medicine experience to the field of peptide and hormone optimization, helping patients pursue evidence-based therapies designed to support recovery, vitality, and healthy aging.

Nick Carvelli, NP, is a Nurse Practitioner specializing in hand and upper extremity surgery within the Department of Orthopedic Surgery at the University of California, San Francisco (UCSF). A graduate of Samuel Merritt University in 2013, Nick has built a career focused on advanced orthopedic care, injury recovery, and performance optimization. With experience working alongside both collegiate and professional athletes, he brings a comprehensive understanding of musculoskeletal health, rehabilitation, and return-to-performance strategies. His clinical approach combines evidence-based orthopedic care with a strong emphasis on overall wellness, recovery, and longevity. Nick also has a deep interest in integrative health, including peptide therapies and wellness optimization, helping patients pursue improved function, resilience, and quality of life through personalized care.

Jeana is a Registered Nurse with a diverse clinical background spanning women’s health, neonatal intensive care, aesthetic medicine and public health. Known for her attention to detail and patient-first approach, Jeana is passionate about delivering a personalized, elevated healthcare experience. She is committed to helping every patient feel confident, informed, and supported throughout their wellness journey.