Oct 2004-Jan 2006
First collaboration with Marcos Baghdatis (he reached the Australian Open final and earned a spot in the TOP 10)

Dec 2006-Jul 2007
Coach of Julia Vakulenko (120-th ranked at the start of the collaboration, she reached No. 33 in the world in less than 6 months)

Jul 2007-Aug 2009
Coach of Anastasia Pavlyuchenkova (18 years old and junior world champion in 2006)
--- she climbed from world No. 300 to No. 27
--- in 2008, she was the most improved player in the standings, achieving the best WTA progression

Nov 2009-Aug 2010
Coach of Aravane Rezai, who claimed titles in Bali Masters, Madrid ($4,500,000) and Bastad ($220,000)

Feb 2011-Sep 2011
Coach of Frenchman and Davis Cup player Jeremy Chardy

Sept 2011-Feb 2012
Patrick supervised at the same time Jeremy Chardy and Yanina Wickmayer's training programs

March-July 2012
He supervised Grigor Dimitrov who joined the Top 50 ranking

He is currently coaching Serena Williams who won with him Wimbledon, the Olympics, the US Open, the Istanbul Masters and the Brisbane tournament

Author
In 2007, Patrick wrote the book "Educate to Win" published at Amphora Sports

Journalist/ Expert
Monthly columns in many international tennis magazines, where he gives his take on tennis and shares his knowledge of the professional circuit (Italy, Netherlands, France, Australia, Germany , Russia, Spain)

TV Consultant
Collaboration with the EUROSPORT channel during the major tournaments
--- Commentator
--- Runs a TV show on the Grand Slams

Blogger
Runs blogs in Europe and the USA on the websites Eurosport/Yahoo where he shares his daily coaching activity, his opinion and his personal experiences with the general public on different tennis topics