About Joseph Donar
Joseph Donar is the founder of Strongoo. He is a U.S. Army veteran who served from 2005 to 2010 with two deployments to Iraq. Joe later pursued his passion for fitness, earning a bachelor’s degree in kinesiology from Elmhurst University and a graduate degree in Exercise Physiology from California University of Pennsylvania. He has owned and operated two CrossFit gyms—Iron Flag Fitness (2013-2016) and CrossFit Kokua (2016-2024)—and has served as an adjunct professor of Exercise Physiology at Elmhurst University and a fitness teacher at Vine Academy. Joseph is currently a 200-hour yoga instructor, blending strength, mobility, and mindfulness to create innovative training programs. He lives in Woodridge with his amazing wife, Katie, along with his two daughters, Sophia and Emerson, and their two energetic dogs, Khaleesi and Nellie.
