John Onnen

John Onnen currently serves as the Director of Client Services at Four Seasons Environmental, Inc., a position held since February 2024. Prior to this role, John Onnen was the Vice President of Sales and Marketing at Alpha & Omega Building Services from October 2008 to March 2024. John Onnen holds an MBA in Marketing from Pepperdine Graziadio Business School, achieved between 1989 and 1992, and a Bachelor of Science in Business Management with an emphasis on Marketing from Indiana State University, completed from 1980 to 1984.