About Us
Prosilio Care was created as an extension of the Gender Confirmation Center to provide patients seamless access to hormone therapy and mental health care.
Our Continuum of Care Philosophy
Our mission is to bridge the gap between surgical excellence and ongoing, affirming health services.
Trusted Leadership
Founded by Dr. Scott Mosser, a pioneer in gender-affirming surgery and care.
Comprehensive Approach
Hormone therapy and mental health services – all within a unified continuum of care.
Safe & Inclusive
Every patient is welcomed with dignity, respect, and an environment designed for psychological safety.
Expert Providers
Our clinicians specialize in the care of transgender and nonbinary individuals, ensuring culturally competent, patient-centered treatment.
Whole-Person Care
Expansion beyond surgery to offer hormone + mental health support
Recognizing that true gender-affirming care goes beyond the operating room, Prosilio Care connects patients with expert providers who understand the unique medical, emotional and social needs of the transgender and nonbinary community.
We're here to walk beside you on your journey.
By integrating hormone treatment and mental health support, we offer a holistic model of care, rooted in compassion, inclusivity, and clinical expertise.
Our Team
Our team is comprised of healthcare experts here to support your entire transition.
Dr. Johanna Olson-Kennedy (she/her)
Jamie Julian, LCSW (she/her)
Dr. Efstathios Karamanos (he/him)
Dr. Jonathan Warus (he/him)
Dr. Jonathan Warus is an adolescent medicine physician who has been working in the care of transgender and gender-diverse individuals for over 10 years. Additionally, Dr. Warus has worked in research aimed at improving the quality of care provided to this population. Dr. Warus strives to provide patient- and family-centered care in an open and affirming environment to meet the needs and goals of each unique patient.
Dr. Johanna Olson-Kennedy
Dr. Johanna Olson-Kennedy is an internationally recognized expert in the care of transgender and gender-diverse individuals. For more than two decades, she has been a leading voice in advancing clinical care and research for people navigating gender identity. She has dedicated her career to ensuring access to affirming medical care, with a focus on hormone replacement therapy (HRT) and comprehensive support for transgender health.
Jamie Julian, LCSW
Jamie Julian is a licensed clinical social worker specializing in the mental and emotional wellbeing of LGBTQ+ and gender-diverse individuals. She supports adolescents and adults through identity exploration, life transitions, and trauma with an affirming, trauma-informed approach. Jamie is dedicated to creating a compassionate space grounded in resilience, authenticity, and empowered self-expression.
Dr. Efstathios Karamanos
Dr. Efstathios Karamanos is a board-certified plastic and reconstructive surgeon with expertise in microsurgery, breast reconstruction, body contouring, and facial surgery. He has trained at leading institutions in both the United States and Europe and currently serves as Assistant Professor of Surgery at the California University of Science and Medicine. Dr. Karamanos is widely published, serves on multiple editorial boards, and is an active member of national surgical societies.
Dr. Johanna Olson-Kennedy
Dr. Johanna Olson-Kennedy is an internationally recognized expert in the care of transgender and gender-diverse individuals. For more than two decades, she has been a leading voice in advancing clinical care and research for people navigating gender identity. She has dedicated her career to ensuring access to affirming medical care, with a focus on hormone replacement therapy (HRT) and comprehensive support for transgender health.
Jamie Julian, LCSW
Jamie Julian is a licensed clinical social worker specializing in the emotional and psychological wellbeing of adolescents and adults. With extensive experience supporting LGBTQ+ and gender-diverse individuals, she centers identity exploration, trauma-informed care, and life transitions within a deeply affirming therapeutic framework. Jamie integrates evidence-based approaches, including CBT, DBT, IFS, and ACT, to help clients build resilience, strengthen self-awareness, and cultivate authentic self-expression. She is committed to creating a safe, compassionate space where every person is seen, supported, and empowered to move toward a more grounded and connected version of themselves
Dr. Efstathios Karamanos
Dr. Efstathios Karamanos is a board-certified plastic and reconstructive surgeon with expertise in microsurgery, breast reconstruction, body contouring, and facial surgery. He has trained at leading institutions in both the United States and Europe and currently serves as Assistant Professor of Surgery at the California University of Science and Medicine. Dr. Karamanos is widely published, serves on multiple editorial boards, and is an active member of national surgical societies.