Senior Management Team Members


Charles R. Gordon, President & Chief Executive Officer 

Chuck was appointed President & CEO of Aegion Corporation in October 2014 after serving for five months as the Interim CEO of Aegion. Chuck’s involvement with Aegion began in 2009 with his appointment to our Board of Directors. Prior to his current role at Aegion, Chuck served as CEO of Natural Systems Utilities, LLC, as President and COO of Nuverra Environmental Solutions, Inc. as CEO of Siemens Water Technologies, as President of the Siemens Water Technologies Systems Division and as President of USFilter’s Service and Products Division.  


David A. Martin, Executive Vice President & Chief Financial Officer

David was named Aegion Chief Financial Officer in 2007 after working for the Company since 1993 in various positions of increasing responsibility. These include senior vice president, vice president, corporate controller and finance director of our European operations. David came to Aegion after working for BDO Seidman, LLP as a senior accountant.  

 David martin

David F. Morris, Executive Vice President, General Counsel & Chief Administrative Officer

David joined Aegion in 2005 as our Vice President, General Counsel and Secretary from the law firm of Thompson Coburn LLP, where he was a partner in its corporate and securities practice areas. He became our Chief Administrative Officer in 2007 and was promoted to Executive Vice President in 2014.


Frank R. Firsching, President, Infrastructure Solutions

Frank came to Aegion from Underground Solutions, which was acquired by Aegion in February 2016, where he was Vice President and General Manager. He was named President of the Infrastructure Solutions platform in April 2016. Frank has held a variety of executive positions at USFilter Corporation, including President of its Water & Wastewater Systems Group. 

Frank Firsching

Rick St. Laurent, President, Energy Services

Rick has 30 years’ experience in the petroleum refining industry, including a 15-year career with Valero Energy Corporation where he held senior leadership positions in engineering, construction, industrial maintenance and reliability and served as the corporate liaison in the development of Valero’s Turnaround Excellence Process. Prior to Valero, Rick held operational leadership positions with UMA Engineers & Constructors and Ultramar Diamond Shamrock Refining Co. Rick holds a bachelor’s degree in civil engineering from California State University - Long Beach. 

 St Laurent

Stephen P. Callahan, Senior Vice President, Global Human Resources

Steve is responsible for Aegion’s global HR function and North American payroll operations. Prior to joining Aegion in 2015, he worked at Peabody Energy for 7 years. Steve has over 20 years of global experience working in Romania, India, France, China, Indonesia, Mongolia, Singapore and the United Kingdom. 


Joseph E. Foley, Chief Sales Officer

Joe leads our efforts to improve relationships with customers and understand the unique challenges of our internal sales teams. He has extensive sales and marketing experience in the global energy, industrial and water industries. Over the course of his 40+ year career, he has led sales and marketing programs with revenue responsibilities of $500 million and over 250 professionals to major gains in sales and profitability.

 j foley sm sq

David H. Kroon, Chief Technical Officer, Aegion Corporation

David is one of the original founders of Corrpro and was its President and Chief Engineer for many years. As a Registered Professional Engineer in a number of states, he has been active in the technical practices committees of NACE International and AWWA since 1971. David has over 40 years of experience in corrosion prevention, including materials performance, protective coatings, pipeline integrity, cathodic protection and AC/DC interference mitigation. 

 David Kroon

Michael D. White, Chief Accounting Officer

Michael joined Aegion in October 2013 as Vice President and Corporate Controller and was promoted to Chief Accounting Officer in 2017. Prior to joining Aegion, he served in various financial leadership positions in the oil & gas and technology industries, including Chief Accounting Officer for both SunGard Energy and Wood Group Production Services. Prior to 2001, he was a manager with Ernst & Young, LLP.  

 Michael White