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Senior Management Team Members

Charles R. Gordon, Interim Chief Executive Officer 

Chuck GordonMr. Gordon serves as our interim Chief Executive Officer. Most recently, Mr. Gordon served in the position
of Chief Executive Officer of Natural Systems Utilities, LLC, a distributed water infrastructure company
and he continues to be a member of its Board of Directors.  Prior to Natural Systems Utilities, Mr. Gordon
served as President and Chief Operating Officer of Nuverra Environmental Solutions, Inc. from October
2010 through September 2013.  Nuverra provides environmental services to the oil and gas industries. 
Mr. Gordon served as Chief Executive Officer of Siemens Water Technologies, a business unit of Siemens
AG, a world leader in products, systems and services for water and wastewater treatment for industrial,
institutional and municipal customers, from 2007 through 2010.  Previously, Mr. Gordon served as
President of the Siemens Water Technologies Systems Division from 2005 through 2006.  Mr. Gordon
was named President of USFilter’s Service and Products Division in 1999, which was later acquired by
Siemens. Mr. Gordon was named Vice President of the Southern Region of Arrowhead Industrial Water
(later acquired by USFilter) in 1991.  

David A. Martin, Senior Vice President and Chief Financial Officer

david martinMr. Martin serves as our Senior Vice President and Chief Financial Officer. Mr. Martin served as our Vice President and Chief Financial Officer from August 2007 through April 2009, at which time he was promoted to Senior Vice President. Previously, he was Vice President and Controller since January 2006. Mr. Martin also served as our Corporate Controller for two years, following two and one-half years as finance director of our European operations. Mr. Martin joined our Company in 1993 from BDO Seidman, LLP, where he was a senior accountant.

David F. Morris, Senior Vice President, General Counsel and Chief Administrative Officer

david morrisMr. Morris serves as our Senior Vice President, Chief Administrative Officer, General Counsel and Secretary. Mr. Morris served as our Vice President, General Counsel and Secretary beginning in January 2005 through April 2007, at which time he was promoted to Senior Vice President. Mr. Morris became our Chief Administrative Officer in August 2007. From March 1993 until January 2005, Mr. Morris was an attorney with the law firm of Thompson Coburn LLP, St. Louis, Missouri, most recently as a partner in its corporate and securities practice areas.


Dorwin E. Hawn, Senior Vice President, Energy & Mining

dorwin hawnMr. Hawn joined the Company as deputy director for United Pipeline Systems when it was acquired in 1992. He was appointed as Regional General Manager in 2000, Area Vice President of United in 2005 and Senior Vice President of Energy and Mining in 2009. As one of the founders of United in 1984 and a certified P.E. in Canada, Mr. Hawn has over 35 years of experience in the industrial pipeline rehabilitation industry and over 15 years of experience as an engineering manager and a pipeline engineer. He is a member of The Association of Professional Engineers and Geoscientists of Alberta.

 

Thomas E. Vossman, Senior Vice President, Water & Wastewater and Asia Pacific

Tom VossmanMr. Vossman serves as Senior Vice President, Water & Wastewater and is responsible for the overall
growth and profitability of Aegion’s Water & Wastewater platform. Mr. Vossman worked previously for
Insituform Technologies from 2004 to 2008, achieving the level of Senior Vice President and Chief
Operating Officer. After 2008, he served as President and Chief Executive Officer of Inland Industrial
Services Group before returning in August 2012 to lead Aegion's Water & Wastewater platform in Asia,
Australia and Europe, as well as the Company's Asian Commercial and Structural platform (Fyfe Asia).
He is now responsible for Aegion's global Water & Wastewater platform and Asia Pacific Commercial &
Structural.

Mr. Vossman is also President and Co-Founder of Racing for Cancer, an organization that unites
motorsports fans, racing organizations, drivers, and sponsors to help raise awareness focusing
on early detection, prevention initiatives and programs supporting the fight against childhood cancer.

Russell Conda, President, Brinderson, L.P.

russell condaMr. Conda is responsible for leading the development and execution of Brinderson’s long term strategy. He is dedicated to safety along with creating long-term value to our shareholders, clients and employees. He has more than 30 years in engineering and construction, serving the oil and gas industry both domestically and abroad. Most recently, he held the position of senior vice president for WorleyParsons’ western operations based in California. He also served at Aker Solutions as senior vice president of operations. Following Aker Solutions, he was with ABB Lummus Global as vice president and director of onshore projects.

Mr. Conda has a degree in civil engineering from the Illinois Institute of Technology and an MBA from Rutgers
University. He was a Registered Professional Engineer in Illinois, Michigan, Connecticut and Oklahoma, and
formerly sat on the Board of Advisors of the Construction Industry Institute.

John Huhn, Vice President of Strategy & Corporate Development

John huhnAs Aegion’s Vice President of Strategy & Corporate Development, Mr. Huhn is responsible for corporate strategy, mergers & acquisitions, joint-ventures and strategic alliances across all business units and geographies. In recent years, Mr. Huhn was responsible for the analysis, identification and completion of multiple transactions which increased Aegion’s presence in the energy and structural sectors. Prior to joining Aegion, Mr. Huhn held several roles in consulting and corporate development including establishing HBM Holdings, a private family office, managing partner of Compass Group, a private equity firm and managing principal of Right Management Consultants, which provided organizational and strategic consulting to Fortune 1000 clients. Throughout Mr. Huhn’s career, he has been involved in more than 50 transactions representing more than $1.5 billion in revenue.

David H. Kroon, Chief Technical Officer, Aegion Corporation

David KroonMr. Kroon is Chief Technical Officer of Aegion Corporation and one of the original founders of Corrpro.
He graduated from Yale University with a B.S. in Chemistry and is a Registered Professional Engineer
in a number of states. Prior to becoming CTO of Aegion, he was President and Chief Engineer of
Corrpro for many years. He has been active in the technical practices committees of NACE International
and AWWA since 1971. In recent years, he has contributed to the development of pipeline and
infrastructure assessment standards. He has also been the Principal Engineer for many contract
research programs for the pipeline, water and electric power industries.

Mr. Kroon has over 40 years of experience in corrosion prevention, including materials performance,
protective coatings, pipeline integrity, cathodic protection and AC/DC interference mitigation. Over his
entire career, Mr. Kroon has been actively engaged in solving corrosion problems and extending the life
of infrastructure for the energy, water and transportation industries. He started as a field engineer and
worked his way up through engineering and regional management positions. 

Greta Senn, President, Corrpro Companies & The Bayou Companies

greta sennMs. Senn joined Aegion Corporation in May 2012 as Vice President, Energy & Mining, and has general management responsibility for Corrpro Companies and The Bayou Companies. Prior to joining Aegion, Ms. Senn was President and General Manager of the Technical Specialties Division at Solutia, Inc.  Ms. Senn joined Solutia in 1994, and held various positions with increasing responsibility during her tenure.  She is also active in the industry and previously served on the Board of Directors for The Suzhou Therminol Joint Venture in Suzhou, China.  Ms. Senn earned an MBA from the Olin Business School at Washington University and has a Bachelor of Chemical Engineering from Auburn University.

Laura Villa, Vice President, Human Resources

laura villaMs. Villa oversees Aegion’s global Human Resource function and US payroll. She has been a member of Aegion’s legal department and the primary attorney supporting the Human Resource team since February 2007. As a member of the legal department, she has provided advice to management on employment issues, prepared compliance and corporate policies, was responsible for all employment-related litigation, and handled various compliance, ethics and special investigations. Prior to joining Aegion, Ms. Villa served as both Director of Human Resources and General Counsel at bioMérieux, Inc., a multinational biotechnology company with its parent company headquartered in Lyon, France. Laura began her legal career as an attorney with Armstrong, Teasdale LLP. Ms. Villa is active in the community as a cabinet member in United Way's Women's Leadership Society, an Advisory Board Member of Cor Jesu Academy and is a member of the St. Louis HR Leadership Network, the Society for Human Resource Management and Missouri Bar Association.

Ralph E. Western, Vice President, Global Manufacturing

ralph westernMr. Western joined our Company in June of 2007 as General Manager of Wet Out Manufacturing. He was promoted to Vice President and General Manager, Manufacturing in 2010, with a focus on platform integration.  Mr. Western was promoted to Vice President, Global Manufacturing in August 2011.

Mr. Western also serves on the National Association of Manufacturers and is an associate member of the US Department of Commerce Manufacturing Council.

Kenneth L. Young, Vice President and Treasurer

ken youngMr. Young has served as our Vice President and Treasurer since April 2009. Prior to that time, he served as the Chief Financial Officer, Secretary and Treasurer for Huttig Building Products, Inc., a public company based in St. Louis, Missouri, from 2005 to 2009, and as Corporate Treasurer for MEMC Electronic Materials, a public company based in St. Louis, Missouri, from 1989 to 2005.