Dr. Coninx was President of the Board of Directors of the Swiss publishing company Tamedia for 20 years, retiring in 2007. His family has owned Tages-Anzeiger, Tamedia's flagship publication, for over a hundred years.
From 1993 to 2003, he was President of the Publishers Association Swiss Media. He is currently President of the Board of Directors of the Swiss news agency, Schweizerische Depeschenagentur (SDA). As well as being member of the Executive Committee and the Board of ENPA, Dr. Coninx is member of the Executive Board of the World Association of Newspapers (WAN)
Dr. Coninx is well known for his involvement in cultural activities, most notably as President of the Zurich Chamber Orchestra and the Zurich University of Arts. He is also a dedicated philanthropist, namely through his work with the Orpheum Foundation for the Advancement of Young Soloists promoting talented young musicians. In addition he is a board member of the Swiss Multiple Sclerosis Society.
In 2009 became a member of the Board of Directors of Rothschild Bank.