J. Madden spent 28 years in commercial real estate development and has shifted his attention to his role as the owner of JAG Management Group which manages and operates Club Greenwood. J Madden developed and founded Greenwood Athletic Club, which opened July 1, 1987 and has been recognized as a leader in the athletic club industry since. JAG Management Group at Club Greenwood retains over 240 full and part-time employees including a management team that is among the best in the industry. Our focus remains directed on membership satisfaction, membership retention, advancing the message of health and fitness in our community and maintaining our role as the clear market leader in full-service athletic clubs. J has two twins Joe and Grace.