Ann Marie Ybarrta

Ann Marie Ybarreta – Weight Training Expert for Women & Seniors
Ann Marie Ybarreta is a nationally certified personal trainer with over 45 years of experience educating, motivating, and teaching people of all ages to weight train. She holds a certification from ACE (American Council on Exercise) and has dedicated her career to promoting strength training for women and seniors.
Her journey began in Sault Ste. Marie, Ontario, Canada, where her father, Joseph Michael Diodati, opened the first all-women’s weight training gym. A pioneer in the health club industry, he had previously established a men’s gym in the 1950s and was a world-class personal trainer. He also invented and patented an innovative dumbbell known as Diodatics—a revolutionary improvement in weight training equipment.
Under her father’s guidance, Ann Marie learned how to safely and effectively train women using weights. Initially skeptical, she became a true believer after experiencing incredible results herself—alongside the 1,000 members at their gym. From that point forward, she dedicated her life to educating, promoting, and teaching weight training.
After moving to California, Ann Marie continued her work in the fitness industry, taking on various roles while always advocating for strength training. As her father’s invention, Diodatics, gained recognition, she developed weight training programs for community centers, gyms, homes and created specialized workouts for individuals with mobility issues and dementia.
Today, The Diodatics Weight Training System is transforming lives across California, Las Vegas, and beyond. Ann Marie now focuses on certifying others to expand the reach of her mission—helping as many people as possible experience the life-changing benefits of weight training.