John Harris is Chief Compliance Officer and Senior Vice President of Internal Audit for Clean Harbors. He is an internal audit leader with more than twenty years of experience, including twelve years with a “Big 4” Firm. He previously served as the Vice President of Internal Audit for Safety-Kleen, Inc., and prior to that Mr. Harris led the South Texas Practice of Jefferson Wells and served as the central region leader of Jefferson Well’s Risk Advisory Practice. Throughout his career he has focused on driving value through audit services in the manufacturing, distribution, utility, and oil and gas industries. Mr. Harris is adept at alignment of internal audit resources with a company’s strategic objectives while maintaining the proper balance between compliance, operational and financial audits.

He has served in a variety of non-profit and professional leadership roles including Vice President of Communication for the Houston chapter of the IIA and as a Board Member for Habitat for Humanity of Denton County. Mr. Harris has a CERT Certificate in Cybersecurity Oversight, issued by the NACD and Carnegie Mellon University.