DUBLIN--(BUSINESS WIRE)--ICON plc, (NASDAQ: ICLR) a global provider of drug development solutions and services to the pharmaceutical, biotechnology and medical device industries, today announced that Mr. Thomas Lynch, non-executive chairman of the board of directors, has notified ICON that he will retire as chairman on 31 March 2016 and will not stand for re-election to the board at the company’s annual general meeting in July 2016. Mr. Lynch has been a non-executive director of ICON since 1994 and served as senior independent director from 2010 to 2012 and as chairman since January 2013.