Mazzetti
John Pappas is a Principal at Mazzetti, a position held since 1992. Prior to this role, John Pappas worked as a Mechanical Engineer at WSP Flack + Kurtz from 1989 to 1992 and at Gayner Engineers from June 1980 to September 1987. John Pappas earned a Bachelor of Science degree in Environmental Engineering from California Polytechnic State University-San Luis Obispo between 1977 and 1980.