Coach Callahan is the Founder and President of Ohio Crossover Athletics. He has been a successful AAU coach in Ohio for a number of years. He has had the privilege of coaching more than 80 young men that have moved on to play college athletics; including two McDonald's All-American Nominees. In 2016, his 17U team finished 5th in the country at the AAU National Championship Tournament. This is the 3rd time in the last 4 seasons that his team has finished in at least the top 16 in the country. In 2007, his 17U team finished 7th in the country at the AAU National Championship and also won the prestigious AAU Super Showcase Tournament Championship. In 2013 and 2015, his 17U team finished in the Top 16 at the AAU Division 1 National Championship. Coach Callahan's teams won back-to-back All-American Cage Classic National Championships in 2005 & 2006. Additional accomplishments include one state runner-up finish, two trips to the state's final four, and 13 trips to the AAU National Championship Tournament. He has previously served as the Junior Varsity Boys Head Coach at Anderson High School and Goshen High School, Head Varsity Boys Assistant Coach at Amelia High School and Walnut Hills High School, Junior Varsity Boys Head Coach at Norwood High School, and Middle School Boys Head Coach at his Alma Mater, Norwood Baptist Christian School. He and his wife Amanda are the parents of three children, Chloe, Aiden, & Addyson. Coach Callahan attended Liberty University and is currently a teacher in the public school system.