Prior to joining PSI , he served as an American diplomat for 23 years .
Karl William Hofmann ( born April 6 , 1961 ) is the President and CEO of the global humanitarian and health organization , Population Services International ( PSI ) .
Prior to joining PSI , Karl William Hofmann served as an American diplomat for 23 years .
Karl William Hofmann ( born April 6 , 1961 ) is the President and CEO of the global humanitarian and health organization , Population Services International ( PSI ) .