Edited sentence: Benmosche joined the Metropolitan Life Insurance Company in 1995.Benmosche was born in New York City.During his tenure, he oversaw MetLife's successful transition from mutual company to publicly traded firm.He assumed that role on August 10th of that year.In 1998 he rose to the rank of CEO, a position in which he served until retiring in 2006.In mid-2009, Benmosche was appointed CEO of American International Group