Alexis Batrakoulis has been involved in the health and fitness industry in the past 27 years and currently works as an adjunct lecturer, personal trainer, fitness educator, subject matter expert, and speaker presenting in 40 countries across five continents and is based in Greece. He holds a B.S. in Physical Education and Sports Science with emphasis in fitness, an M.S. in Exercise and Health with emphasis in exercise and obesity, and a Ph.D. in Clinical Exercise Physiology with emphasis in exercise and obesity. His primary research interests focus on the study of high-intensity interval neuromuscular training in obesity. He has authored over 35 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 (CSCS, 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 teaching and research assistant in the Department of Physical Education and Sport Science 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 and online continuing education courses for health and fitness professionals approved by ACE, ACSM, AFAA, ΙFPA, ISSA, NASM, NSCA, NCSF, and EREPs. Additionally, he is a subject matter expert and an international master trainer at the American Council on Exercise and has also been a member as well as 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 has served as a Member on the Exercise is Medicine Credential Committee, Professional Education Committee, International Health & Fitness Summit Program Committee, and Consumer Outreach Committee for the ACSM. He is a recognized Certified Personal Trainer Emeritus through NSCA and is also an NSCA Personal Training Quarterly Editorial Review Panel Member, an NSCA Membership Committee Member, an NSCA Awards and Honors Committee Member, the NSCA Personal Trainers Special Interest Group Executive Council Vice Chair, and the NSCA Education Recognition Program Sponsor at the University of Thessaly in Greece. Recently, he received global recognition as the 2017 IDEA Personal Trainer of the Year Finalist, 2018 IDEA Personal Trainer of the Year, 2019 IDEA China Fitness Innovator, 2020 NSCA Personal Trainer of the Year, 2020 MedFit Professional of the Year Finalist, 2021 PFP Trainer of the Year, and 2021 ACSM Certified Professional of the Year Finalist.