Nelson Vergel is a pharmaceutical consultant, patient advocate, and author with more than 40 years of experience bridging clinical medicine, compounding pharmacy, and patient empowerment — holding a chemical engineering degree from McGill University and an MBA from the University of Houston. He is the founder of ExcelMale.com, a community of over 24,000 members focused on testosterone replacement therapy and men's hormonal health, the author of Testosterone: A Man's Guide and Beyond Testosterone, and a long-standing voice in HIV/AIDS advocacy, having co-founded PoWeR and ATAC and served on NIH committees and FDA advisory panels during the AIDS crisis.

Nelson Vergel is a pharmaceutical consultant, patient advocate, and author with more than 40 years of experience bridging clinical medicine, compounding pharmacy, and patient empowerment — holding a chemical engineering degree from McGill University and an MBA from the University of Houston. He is the founder of ExcelMale.com, a community of over 24,000 members focused on testosterone replacement therapy and men's hormonal health, the author of Testosterone: A Man's Guide and Beyond Testosterone, and a long-standing voice in HIV/AIDS advocacy, having co-founded PoWeR and ATAC and served on NIH committees and FDA advisory panels during the AIDS crisis. Currently serving as Senior Consultant to Empower Pharmacy in Houston, Texas — one of the nation's leading 503A/503B compounding pharmacies — Nelson advises on medical affairs, content strategy, GEO and SEO optimization, and clinician education across men's health, women's health, weight management, and longevity medicine. A published author, public speaker, and tireless self-experimenter, Nelson is also an active researcher and writer on emerging therapies including ibogaine-assisted treatment, peptide therapy, and GLP-1 pharmacology, bringing a rare combination of scientific rigor, personal lived experience, and four decades of hard-won advocacy credibility to every conversation.