Mark O’ Sullivan

Mark O’Sullivan joins the Cardiff Mustangs coaching staff as a coach and Technical Director of the club after working with the club as a consultant providing coaching professional development and then as leader of our Specialty Training Program. Mark is the founder and owner of The Soccer Institute (TSI), which provides consultancy to clubs, coaches and private training to players through unique Best Practices. The TSI Best Practices are based on first hand observation of world leading academies including but not limited to Barcelona FC and Ajax Amsterdam as well as Mark’s own international experience. Mark is a a former full time player in the Professional League of Ireland and coach of teams in Ireland and the United States. Mark’s focus as a coach and for the club place an emphasis on:

  • Game IQ & Intelligence
  • Technique
  • Passion & Personality
  • Entertaining Positional Play

More about Coach O’Sullivan

  • UEFA B License US Soccer DA coach (LA Galaxy San Diego) 2016 – 2019
  • Trinity College Head Coach – At the time ranked in the top 100 academic colleges in the world
  • Peamount United Women’s National League Team Head Coach – Ranked #1 in Ireland
  • Manager of Ireland Men’s 6 a side team – first ever Ireland 6 a side team to qualify for the European championships
  • Manager of Ireland Men’s 7 a side team
  • Bachelor of Arts, Philosophy & History
  • Along with wife Jana, Mark is excited to call San Diego home