Mr. Mascarenhas has spent his working career, of more than 30 years, in the pharmaceutical industry holding international management positions across Asia, Europe, the Caribbean and the U.S. He has been Country Head in the Caribbean Basin Region, India, Italy and Japan over the period 1988-2003. 

He retired from Eli Lilly and Company as Corporate Vice President, Sales and Marketing in 2004. He received his B.Sc.in Chemistry from the University of Bombay, India and M.A. in Natural Sciences from the University of Cambridge, England.