Greg Marken

Greg is the President, Chief Executive Officer and Treasurer of ADES since July 2020. Prior to his appointment as President and Chief Executive Officer, Greg served as the Chief Financial Officer, Treasurer and Secretary from March 2018 through June 2020. He also has previously served as the Company’s Chief Accounting Officer and various other roles with the Company. Greg also serves as a Manager on the Board of Managers of Tinuum Group, LLC. and a Manager and Officer of other ADES subsidiaries. Greg has over 15 years of experience related to accounting, finance and leadership of various teams.

Prior to joining ADES, Greg was a Senior Manager in the assurance practice at Ernst & Young, LLP in both Dallas and Denver, where he served at a variety of public and private clients.

Greg earned his bachelor’s degree in Accounting and his master’s degree in Finance from Texas A&M University. Greg has a CPA license in Texas and Colorado and is a member of the AICPA and the Colorado Society of CPAs.