Dr. Dr. Haleem Mohammed
Chief Medical Officer, Gameday Men’s Health
- Doctor of Medicine (MD) – UNIBE (Accelerated Program)
- Master of Business Administration (MBA) – University of Massachusetts
- Board-Certified Internal Medicine Physician
- Chief Medical Officer
Dr. Mohammed’s care philosophy centers on efficiency, precision, and proactive wellness. By eliminating the red tape of insurance-driven healthcare, he delivers direct, patient-first care rooted in advanced diagnostics, personalized treatment plans, and long-term optimization strategies. His approach combines modern clinical medicine with a deep understanding of lifestyle and longevity science, empowering men to thrive at every stage of life.
Dr. Mohammed earned his medical degree through an accelerated pre-med/MD program at UNIBE and completed his internal medicine residency at Advocate Illinois Masonic Medical Center in Chicago, a Top 100 Hospital, where he was elected class representative and named Resident of the Year. He also holds an MBA from the University of Massachusetts.
With a background as a former stockbroker and VP of Investments, Dr. Hal brings a unique blend of business acumen and clinical leadership to Gameday Men’s Health. He has served as medical director at leading hospitals and health systems across the Midwest and South Florida, as well as regional medical director and CMO in Miami. His academic contributions include work in geriatric research and clinical leadership at Florida International University’s College of Medicine.
In addition to his role at Gameday, he operates a private concierge medicine practice and is a partner at PhysicianEstate, a physician-led venture capital firm focused on empowering medical professionals through financial growth and innovation.
2024 New Business of the Year – Chamber of Commerce
2024 CEO Healthcare Entrepreneur – South Florida Business & Wealth
2024 Congressional Recognition – Outstanding Service to the Community
Other Professionals
FNP Matthew Miler
Matthew Miller, FNP-C, is a board-certified Family Nurse Practitioner and Clinical Director of Gameday Men’s Health Gilbert and Goodyear. He specializes in hormone therapy, peptide medicine, regenerative treatments, and performance-focused men’s health.
Christopher Tagliavini
Christopher Tagliavini, PA-C, is the Clinical Director and Owner of Gameday Men’s Health Middletown, CT. With 10+ years in urology and men’s health, he specializes in testosterone therapy, ED treatment, and personalized men’s wellness care.
Dr. Alan Armstrong
Dr. Alan Armstrong, MD, is a board-certified Emergency Medicine physician with over two decades of experience and a focus on patient-centered care. He currently serves as Medical Director at Gameday Men’s Health, where he helps men improve their health through evidence-based, personalized treatment plans.
Dr. Justin Hall
Dr. Justin Hall is a board-certified orthopedic spine surgeon and the Medical Director of Gameday Men’s Health Madison. He specializes in spinal reconstruction and men’s health optimization, including hormone therapy and peptide treatments.
FNP Esther Selik
Esther Selik, FNP, is the Clinic Director at Gameday Men’s Health Birmingham/Bloomfield. She specializes in testosterone therapy, medical weight loss, sexual wellness, and peptide treatments with a focus on personalized, evidence-based men’s healthcare.
Dr. Kyle Ricord
Dr. Kyle Ricord, MD, is a Calgary-based physician specializing in family and emergency medicine. He serves as the Medical Director and Owner of Gameday Men’s Health Westsprings, where he focuses on hormone optimization and preventative men’s health strategies.
Dr. Alonso Osorio-Giraldo
Dr. Alonso J. Osorio-Giraldo, MD, is a dual board-certified physician with 24 years of clinical experience in family and emergency medicine. As Medical Director and Owner of Gameday Men’s Health East Texas, he specializes in hormone optimization, performance medicine, and regenerative therapies.
PA-C Mark Rosen
Mark Rosen, MMS, PA-C, is the Co-Owner and Clinical Director of Gameday Men’s Health. With a background in emergency and sports medicine, he specializes in hormone optimization, peptides, and strength-focused preventive care. His patient-first philosophy is rooted in listening with intent, building trust, and creating targeted wellness plans that deliver measurable results.
PA-C Rob Lininger
Rob Lininger, MPAS, PA-C, is a board-certified physician assistant and franchise administrator at Gameday Men’s Health. With a passion for men’s health, functional medicine, and sports medicine, he brings a holistic, lifestyle-focused approach to optimizing energy, performance, and wellness in his patients.
Dr. Yesenia Viera
Dr. Yesenia Viera, MD, MSN, APRN, is a board-certified nurse practitioner and medical graduate with advanced training in hormone optimization, preventive men’s health, and evidence-based wellness. As Clinic Director and National Clinical Trainer at Gameday Men’s Health in Weston, FL, she leads with clinical excellence while mentoring providers across the country and helping men improve their vitality and long-term well-being.
Dr. Robert Young
Dr. Robert Young, DO, is a board-certified emergency medicine physician with over 15 years of experience in clinical leadership, medical education, and integrative men’s health at Gameday Clayton. As a member of the Gameday Men’s Health Medical Advisory Board, he is also committed to delivering personalized, preventative care that challenges the limitations of traditional, insurance-driven healthcare systems.
Dr. Leigh Vinocur
Dr. Leigh Vinocur is a board-certified physician with over 30 years of experience in emergency and ambulatory medicine. As the Medical Director of Gameday Men’s Health in Owings Mills and Frederick, MD, she blends traditional and integrative medical expertise to support men’s hormonal and metabolic health. She is a leader in medical cannabis science and a recognized media contributor in national health communications.