Dr. Johnathan
Stephen Jackson
Dr. Jackson is a dual board-certified Family and Psychiatric Nurse Practitioner with over 14 years of healthcare experience. He founded Optimum Mental Health & Wellness and Optimum Anti-Aging & Wellness to deliver a higher standard of concierge-level care for men — combining evidence-based psychiatric treatment with functional medicine, hormone optimization, and root-cause clinical thinking.
Holding a Doctor of Nursing Practice from South University and a Post-Doctoral PMHNP-C from Liberty University — both with a 4.0 GPA — Dr. Jackson's approach is collaborative, results-driven, and rooted in genuine partnership with every patient.
Dr. Erich Schoen-Kiewert
With over 40 years of distinguished medical leadership, Dr. Schoen-Kiewert brings unparalleled expertise in hormone replacement therapy, integrative medicine, and men's health. As Regional Medical Director at SynergenX Health and Medical Director at ViscoGen Orlando, he oversees advanced non-surgical and regenerative therapies. His expansive background in hormone optimization, pain management, and complementary medicine makes him an exceptional clinical partner for Optimum Anti-Aging & Wellness.
Jenelle Arce
Jenelle is a licensed pharmacist from the Philippines with over five years of experience in healthcare support. As Director of Operations for both practices, she oversees day-to-day operations — specializing in prescription drug monitoring, patient care coordination, and administrative excellence — ensuring every patient interaction is seamless, professional, and efficient.
Khryzle Del Mundo-Timbas
Khryzle is a Registered Pharmacist in the Philippines and experienced Medical Virtual Assistant with expertise in patient care coordination, prior authorizations, medication management, insurance verification, and medical documentation. Dedicated to compassionate patient support, she helps the Optimum team deliver improved efficiency, accuracy, and outstanding patient outcomes across both practices.