John Leitner is currently the Senior Vice President at CodeGreen, a position held since 2024. Prior to this, they served as Principal at Environmental Building Solutions, LLC from 2006 to 2025. John earned a Bachelor of Science in Mechanical Engineering from Villanova University between 1977 and 1981 and later obtained a Master of Business Administration in Finance from Montclair State University from 1989 to 1991.
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