One On One Athletic Club s mission is to provide health and recreational facilities in Michigan. It is open 24 hours a day and offers childcare, as well as numerous other fitness programs such as Pilates, yoga and aerobics. Mark W. Wiley, J. Ronald Slavik and Joseph F. Slavik opened the first One On One Athletic Club in June 1985 in West Bloomfield, Mich. It is a 100,000-square-foot multi-sport facility with more than 2,000 members. A second One On One Athletic Club was opened in November 1991 in Ann Arbor, Mich. It is a 35,000-square-foot facility with nearly 2,500 members. The One On One Athletic Clubs offer personal training, tanning, physical therapy and massages.