2024 SYNC Summit

Lead Master Trainer Ai Lee has won multiple championships as a member of the Swiss and Malaysian national karate teams. She became a Zumba® instructor in 2010, then a Zumba® Jammer, and eventually a ZES™ for Switzerland and Austria. Ai Lee co-created STRONG Nation® and is also the program’s Lead Master Trainer. She is also a co-creator of the CIRCL Mobility™ Program.

Master Trainer After competing as a professional swimmer as a teen, Allesandro transitioned to dancing and soon became a Zumba® instructor. This opened up a new world to him as a fitness trainer. To feed his passion for collaboration and new experiences, Allesandro became a Zumba® Jammer in 2012.

Master Trainer Aurelio is a Personal Trainer, Group Fitness instructor and a sports lover. As a former professional soccer player from Peru, kickboxing fighter, and Strong Nation® Master Trainer, he believes the most important part of fitness is to ENJOY THE PROCESS. His goal is to bring happiness to your soul while nurturing your body through exercise.

Master Trainer Claudia is a licensed Strong Tech and Master Trainer for STRONG Nation® Germany and a passionate CIRCL Mobility™ Instructor. She loves to push herself and her participants to their limits, fostering physical and mental growth and sharing a journey of movement and self-improvement. She not only loves teaching but also revels in the creative aspects of her job!

​​Master Trainer Jarrod became a licensed Zumba® Instructor in 2010 and eventually a Zumba® Jammer. Soon after, he was chosen to be a Zumba® Education Specialist and now travels across Australia, New Zealand, and the nearby region leading instructor training sessions and Master Classes.

Master Trainer Jennifer started teaching dance and fitness at 15. She has experience in a variety of styles like ballet, jazz, hip hop, Latin, and ballroom, and is always trying to work them into her choreographies and classes. As a ZES™, Jennifer conducts Zumba® Basic 1, Rhythm 2, Rhythm 3, Zumba® Sentao, and Zumba® Step instructor training. She has also been a STRONG Nation® Master Trainer since 2016.

Master Trainer Kristi left an engineering job in 2011 to pursue her passion for inspiring others to get up and move. She’s been to 30 countries while training instructors and presenting at fitness events. Kristi speaks English, Spanish, and Portuguese and is known for her energetic and engaging teaching style.

Master Trainer and STRONG Tech Mayra is a physical trainer by profession, and a Master Trainer and STRONG Tech of STRONG® Nation for Chile since 2019. She is a current champion of the Chilean Sanda League of Chinese boxing, Kung Fu practitioner, former Pentathlete of the Chilean army, and former soccer player who’s passionate about teaching, training and practicing martial arts.

Master Trainer Natalia is a former ballet and contemporary dancer-turned-PT, functional movement and kettlebell trainer, body language teacher, and karate disciple. Passionate about music, movement, learning, and healthier, happier lifestyles, Natalia became a STRONG Tech in 2018 and an MT in 2021. She is also an International Movement Presenter and Wellness Coach MT, Co-Founder, and Human Experience Director at ADN Wellness since 2015.

Master Trainer Ricardo has been a personal fitness trainer for over 15 years. He’s a Master Trainer for STRONG Nation®, AFAA Certified as a Group Fitness and Kickboxing Instructor, and has NASM accreditation. Ricardo has been recognized as a true leader in the field of fitness, whose core belief is “with sweat and determination you will succeed”! 

Master Trainer Umar Syarief is a well-respected karate athlete and national hero in Indonesia. He has won many international titles and competed in high-level competitions, including the Southeast Asian Games, where he won a gold medal. Umar also trained in various European countries, had multiple knee surgeries, and is now based in Switzerland, where he teaches Karate, Martial Arts, and Functional training. He has been a STRONG Nation® Master Trainer for Indonesia since 2017.