Your Team

Trust your health in the hands of experts recognized for medical excellence. Your clinicians are members of trusted medical organizations promoting male health, including the American Urologic Association, American Society for Reproductive Medicine and the American Society of Andrology. All societies keeping our clinical team at the cutting edge of “evidence based male healthcare”.

Russel Williams, MD

Chief Executive Officer (CEO)
Chief Medical Officer (CMO)

Dr. Russel Williams has dedicated 20 years of his life to the health and wellbeing of men, specializing in men’s…

Tristan D. Grimaldo, DNP, APRN, MHSM, FNP-C

Chief Clinical Officer (CCO)
Chief Business Development Officer (CBDO)

Tristan Grimaldo is a board-certified family nurse practitioner with a clinical doctorate specializing in reproductive urology. Dr. Grimaldo brings seven…

Ben Martinez, MS, APRN, FNP-C

Medical Provider

Benancio Martinez Jr is a certified Family Nurse Practitioner and one of the newest integral parts of the Y Factor team…

Mike Manis, MS, APRN, FNP-C

Medical Provider

Mike Manis is a board-certified nurse practitioner with a master’s of science in nursing.
Mike brings 8 years of nursing experience to The Y Factor…

Andre Piliszek, FNP

Medical Provider

Andre Piliszek is a certified Family Nurse Practitioner (FNP-C) and brings to The Y Factor over 25 years of outpatient clinical experience…

Karen Barnett

Practice Manager

Karen Barnett brings 15 years of managerial experience in healthcare to The Y Factor team. She graduated from The University…

Stephanie Alvarado

Surgery Coordinator

Stephanie Alvarado is the primary surgery scheduler and liaison between the surgery facility, patient and doctor. She keeps in close…

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