Dr. Thomas Geelhaar , born 1957, studied chemistry at the University of Mainz, Germany, from 1975 to 1981 and received his Ph. D. in 1983 in physical chemistry. In 1984, he began his career at Merck as a laboratory manager in liquid crystal research.
Since then he has held several leadership positions in the Liquid Crystal Division in Darmstadt, Germany and in Tokyo, Japan. From 2008 to 2015 he was Senior Vice President and Chief Technology Officer Chemicals at Merck, before he retired end of 2015. He served as President of the German Chemical Society GDCh for the 2014/2015 term of office and chose “Chemistry and Society” as the topic of focus.