Our diverse team of experienced professionals in fitness, pharmacology, sports medicine, and nutrition writes or medically reviews all content on Bodybuilding Wizard. We are committed to providing science-backed, trustworthy information that empowers our readers to make informed decisions about training, supplementation, and health.
Our contributors combine academic expertise with real-world coaching and clinical experience, ensuring every article meets the highest standards of accuracy and relevance. You can trust that what you read here is built on both knowledge and integrity.
Meet the trusted experts behind the content you read on Bodybuilding Wizard — professionals in fitness, health, and performance, committed to helping you reach your goals.
Krunoslav O., Ph.D. in Kinesiology
Specialization: Strength Training, Kinesiology, Fitness Programming
Kruno is the founder and main author of Bodybuilding Wizard. He is a licensed fitness trainer with a Ph.D. in kinesiology and a deep passion for educating others on training science and nutrition. His academic background is complemented by certifications in both nutrition and strength coaching.
Since launching the site in 2014, Kruno has been committed to helping people unlock their full potential in the gym through personalized programs and evidence-based strategies. His articles blend practical coaching insight with scientific clarity, aiming to make advanced knowledge accessible to everyone.
Tomislav G., Certified Fitness Instructor
Specialization: Personalized Training, Injury Recovery, Human Anatomy
Tomislav is a certified personal trainer with over a decade of experience helping clients achieve remarkable body transformations. He earned his Fitness Instructor title through the “Instructus” Adult Education Institution in 2013 and has since combined scientific training principles with a deep understanding of human anatomy to guide clients toward their goals.
His approach is highly individualized, placing strong emphasis on injury prevention and rehabilitation, particularly for those recovering from musculoskeletal conditions. Tomislav is passionate about educating, inspiring, and empowering others on their journey to better health and fitness.
Dr. Alex Novak, MD
Specialization: Sports Medicine, Hormonal Optimization
Dr. Alex Novak is a licensed physician based in Vienna, Austria, with over 15 years of experience in sports medicine and hormonal health. He holds a medical degree from the Medical University of Vienna and completed the prestigious IOC Diploma in Sports Medicine. He is also board-certified in Sports Medicine.
Dr. Novak works closely with recreational lifters, elite athletes, and men undergoing testosterone replacement therapy. As both a clinician and passionate strength enthusiast, he bridges the gap between modern medicine and bodybuilding. He contributes medical insights to Bodybuilding Wizard, Examine.com, and leading scientific journals, helping readers navigate anabolic steroids, TRT, and PCT safely and effectively.
Kelley V., MPH, MS, CSCS, ACE Health Coach
Specialization: Women’s Strength Training, Hormonal Health
Kelley V. is a highly qualified strength training specialist with a passion for empowering women of all ages and life stages — from young athletes to women navigating menopause and beyond. She holds advanced degrees in public health and exercise science, along with certifications from CSCS and ACE.
With a science-backed and personalized approach, Kelley addresses the unique physiological and hormonal needs of women throughout life. Her expert content has been featured on Discovery Health, ACE Fitness Journal, and Bodybuilding Wizard, where she educates, inspires, and coaches women toward building lasting strength and resilience.