About the Owners

Julia Thompson

  • Co-Owner/Director
  • Founded TAGS in 1977 with Greg Aretz
  • Over 40 years of coaching experience at all levels
  • Inducted into the University of Minnesota’s Gymnastics Hall of Fame for Lifetime Service in 2002
  • Former USAG National Safety Certifier, State Chairman & National Board of Directors member
  • Coach of former Sate, Regional and National Champions & Judged for over 10 years
  • 1989 USA Championship Local Coordinator & 1991 International Special Olympics Gymnastics Commissioner
  • 2006 & 2011 VISA Championship Volunteer Coordinator
  • Co-chair of the University of Minnesota Gymnastics Foundation 2011-Present
  • Current member of the USAG Business Advisory Board
Greg Aretz

  • Co-Owner
  • Founded TAGS in 1977 with Julia Thompson
  • Inducted into the University of Minnesota’s Gymnastics Hall of Fame for Lifetime Service in 2002
  • Former AAI & Tiffin equipment representative for Minnesota gymnastics clubs and high schools. 1982-2009
  • Designed each TAGS facility and manages both TAGS properties
Don Heideman

  • Co-Owner/TAGS Eden Prairie Head Coach
  • USAG Professional Member
  • Former Competitive Gymnast
  • Coach of former USAG State, Regional & J.O. National Medalists
  • Coach of college athletic scholarship recipients
  • Served on the MN USAG State Board for Women’s Gymnastics for 10 years
Tony Aretz

  • Co-Owner/TAGS South Boys Team Head Coach
  • USAG Professional Member
  • Former competitive TAGS gymnast – State All-around Champion in 1993
  • Jr. National Development Team Coach 2005-06, 2006-07, 2008-09
  • Jr. National Team Coach 2010-2011, 2011-2012
  • Coach of 2 time Level 9 Jr. National Team Member, 3 Future Stars National Team Members & multiple individual State & Regional Champions
  • Region IV Boys Team Coach 2006-2016
  • State Championship Teams – Level 5 2003, Level 9 2010, Level 10 2011, Level 8 2013
  • Previous USAG State Clinician
  • Graduated from the University of St. Thomas in 2005 with a degree in Entrepreneurship
Alex Pesavento

  • Co-Owner/Marketing Director
  • Former TAGS gymnast (1984 - 1994), competed through Level 9
  • Coached at TAGS (1996 - 2001)
  • Graduated from the University of St. Thomas in 2006 with a degree in Journalism and Mass Communication with an emphasis in Public Relations
  • NCAA Final Four Hospitality Ambassador 2001
  • VISA Championship Volunteer Coordinator Assistant 2006