Alexis Batrakoulis has been involved in the health and fitness industry in the past 25 years and currently works as a freelance personal trainer and exercise physiologist, educator, subject matter expert, author, and speaker presenting in 40 countries across four continents and is based in Greece. He holds a BS in Physical Education and Sports Science with a concentration in fitness, an MS in Exercise and Health with a concentration in exercise and obesity and is preparing to earn a PhD in Exercise Physiology with a concentration in exercise and obesity. His primary research interests focus on the study of high-intensity interval neuromuscular training in obesity. He has authored over 20 international peer-reviewed publications on exercise, including research articles, abstracts, and textbook chapters. Recently, he was selected to author a chapter in the latest edition of the ACSM’s and NSCA’s Personal Training textbooks. He has also earned numerous professional credentials through ACSM (EP, CPT, and EIM 2), NSCA (CSCSM CSPS, and NSCA-CPT), ACE (CMES, CHC, CPT, WMS, YFS, SFS, TES, and FNS), and NASM (CES, PES, and WLS). When he is not at home training clients or working as a graduate teaching assistant at the University of Thessaly, he is traveling around the globe sharing his knowledge as the Founder of the International Obesity Exercise Training Institute (IOETI). More specifically, he teaches live continuing education courses for health and fitness professionals approved by ACSM, ACE, AFAA, ΙFPA, ISSA, NASM, NSCA, NCSF, PTA Global, CanFitPro, Fitness Australia, REPs UK, and EREPs. Additionally, he is a Subject Matter Expert and an International Master Trainer at the American Council on Exercise (ACE) and is also a Deputy Director of the Professional Standards Committee at EuropeActive, which leads the development of educational standards, oversees the accreditation process for all courses, and registers qualified exercise professionals for all occupational roles in the European fitness sector. More specifically, he has respectively led and contributed to the Technical Experts Groups that developed standards for the occupational roles of Weight Management Exercise Specialist and Pre/Diabetes Exercise Specialist in Europe. Additionally, he serves as a Member on the Exercise is Medicine Credential Committee, Professional Education Committee and International Health & Fitness Summit Program Committee for the ACSM. He is a recognized Certified Personal Trainer Emeritus (RCPT*E) through NSCA and is also an NSCA Personal Training Quarterly Editorial Review Panel Member, an NSCA Personal Trainers Special Interest Group (SIG) Executive Council Vice Chair, an NSCA Membership Committee Member, and an NSCA Education Recognition Program (ERP) Sponsor at the University of Thessaly in Greece. Recently, he received global recognition as the 2018 IDEA Personal Trainer of the Year, 2019 IDEA Fitness Innovation Award recipient, and 2020 NSCA Personal Trainer of the Year.