In 1984–86 he wrote a doctoral dissertation on sports mission, which earned him a PhD from Louisiana Baptist University in association with Morling College.
Over the next 18 years he extended this ministry to many other Australian professional sports associations – involving the placement of 150 chaplains – and developing networks of Christian athletes.
He also arranged chaplaincies to Executive Ministries as many board members of sports were in the corporate world, and also to the entertainment, media, and tourism sectors.
In 2000 due to ill health, the Heads of Churches released Tronson from the Sports and Leisure Ministry, establishing a new venture – "Well-Being Australia".
Olympian of the Century Carl Lewis presented Mark Tronson and his wife Delma, gold medals in February 2009 in Dallas, Texas, for their 27 years of sports and Olympic ministry.