Notable Facts
→The initial query contained incorrect information - Mark Marinko is NOT the President and CEO of Quanta Services
→Mark Marinko is actually the (recently retired) Senior Vice President and Chief Financial Officer at SunCoke Energy, Inc., NOT Quanta Services
→Duke Austin (Earl C. Austin Jr.) is the actual CEO and Chairman of Quanta Services
→Mark Marinko announced his retirement from SunCoke Energy effective March 13, 2026
→He has over 30 years of professional experience in accounting, finance, and business systems
→Previously served as CFO at Great Lakes Dredge & Dock Corporation (2014-2021)
→Former President of Consumer Services division at TransUnion LLC (2004-2013)
→Graduated from Augustana College in Rock Island, Illinois with a Bachelor's in Accounting and Business Administration
→Is a Certified Public Accountant