The former All Black full back took over the coaching reigns in 2008 and will have taken less than four years to overtake Dwyer, who had two spells over a 10 year period to reach his landmark.
After dominating Super Rugby with his all conquering Crusaders side. Deans became the first Kiwi to coach the Wallabies - a move that didn't go down well in all quarters. He steered his side to a Tri-Nations title in 2011, to third place at the World Cup and they currently stand at No 2 in the IRB World Rankings.
The game in Paris will be his 20th Test in charge in Europe and to date he has enjoyed a 69% success rate with nine wins and a draw. After France, Deans heads to Twickenham to face England before facing Italy and Wales at the Millennium Stadium.