Dr. Dan Fosselman, DO is a board-certified physician and performance medicine specialist with a passion for helping people live longer, move better, and feel stronger. With certifications in Family Medicine, Functional Medicine, Sports Medicine, Regenerative Medicine, and more, Dr. Dan takes a comprehensive, lifestyle-based approach to health—bridging traditional care with cutting-edge science.

He specializes in musculoskeletal health, injury prevention, and minimally invasive procedures, including advanced regenerative therapies like PRP and BMAC. Whether he’s helping a patient recover from injury, improve longevity, or maximize performance, Dr. Dan builds personalized strategies that fit each person’s life, goals, and abilities.

Outside the clinic, he proudly serves in the U.S. Army Reserves and balances life as a husband, father of two boys, and committed martial artist. You can often find him training jiu-jitsu, lifting weights, or hiking with his family—living the same lifestyle he encourages his patients to pursue.

Eoin Lacey is one of Europe’s leading experts in performance, health, and recovery—with nearly three decades of experience transforming the way athletes, executives, and everyday clients approach fitness and well-being.

As co-founder of the Irish Strength Institute, Eoin has worked with top-tier athletes from the UFC, NFL, PGA, and Olympic level, while also helping build Ireland’s most respected chain of personal training and nutrition centers. His approach combines deep knowledge across strength training, functional medicine, sports nutrition, and advanced recovery techniques like peptide therapy and functional blood chemistry analysis.

Eoin’s ability to connect science with real-world application has made him a trusted consultant, international speaker, and educator for clients and practitioners alike. He currently splits his time between his clinic in Malahide, Ireland, managing the ISI Centre of Excellence, and teaching globally through his educational company ICANS.

Whether it’s designing elite-level gyms, optimizing human performance, or helping clients rebuild from injury or burnout, Eoin brings unmatched insight, energy, and results to the Farmer Boy Fitness team.

Dr. Eric Serrano, MD is one of the most sought-after physicians in the world by elite athletes, business professionals, and anyone facing complex performance or health challenges. With over 30 years of experience, Dr. Serrano leads a thriving family practice in Pickerington, Ohio, where he treats everyone from local families to world-class athletes in the NFL, NHL, MLB, and Olympic circuits.

Renowned for his personalized, holistic approach, Dr. Serrano blends medicine, nutrition, supplementation, and training into custom protocols designed to accelerate results and optimize long-term health. His expertise is grounded in thousands of patient hormone panels, daily research across medical and ingredient journals, and ongoing clinical trials within his own practice.

A former record-holding natural powerlifter, Dr. Serrano combines scientific rigor with firsthand athletic experience. He’s consulted for pro teams, presented internationally, and continues to be a cutting-edge voice in injury prevention, performance nutrition, and rehabilitation.

Outside of the clinic, he’s known for his sense of humor, love of dogs, and deep commitment to his patients' success, on and off the field.

Dr. Dylan Seeley, DC is a chiropractic physician, strength and conditioning coach, and lecturer with a deep-rooted passion for human performance and athletic development. Based in Columbus, Ohio, Dr. Seeley combines clinical precision with hands-on coaching experience to help athletes recover, adapt, and perform at their peak.

His journey began as a young athlete training under Olympic performance coach Justin Kavanaugh, where he developed a lifelong obsession with sprint mechanics, injury rehab, and performance analytics. That foundation led him to earn a degree in Athletic Training while playing collegiate rugby at Wheeling Jesuit University, followed by a Doctorate in Chiropractic from Palmer College—where he continued competing at a national level.

Dr. Seeley holds certifications from elite figures across sport and rehab, including ALTIS (sprint coaching), Joel Jamison (conditioning), Matt Wenning (advanced programming), and the Carrick Institute (NeuroVisual Therapy for concussion recovery). He’s trained or treated athletes in the NFL, MLB, NHL, and UFC, as well as Olympic hopefuls and jiu-jitsu world champions.

With a rare blend of academic knowledge and real-world application, Dr. Seeley brings cutting-edge methods and relentless curiosity to the Farmer Boy Fitness team—whether he’s restoring function, optimizing speed, or building total resilience.