Move to a higher standard


Every member of Matrix Service Company's leadership team is committed to creating value for our company, our employees and our clients. Their guidance and expertise is a key component in Matrix Service Company's ability to safely, successfully and effectively execute our business strategies.

John R. Hewitt
President and Chief Executive Officer
John R. Hewitt has been President and Chief Executive Officer at Matrix Service Company since May 2011. Prior to joining Matrix Service, Mr. Hewitt served as Senior Vice President of Aker Solutions, where he was responsible for providing executive oversight on major capital projects in Power and LNG. He previously served as President, United States Operations at Aker Solutions E&C US, Inc. from 2007 to 2009 where he was responsible for managing all construction services in North America. Previous to that, he served as President of Aker Construction Inc. where he had full profit and loss responsibility for a multi-disciplined direct hire industrial construction business operating throughout North America. Mr. Hewitt has spent his entire career in the engineering, procurement, and construction (EPC) industry. For the past 25 years, he has worked for various operating businesses of Aker Solutions ASA (Aker) and its predecessor companies. Mr. Hewitt earned a Bachelor of Business Administration degree in Finance from Stetson University in 1980 and a Bachelor of Science degree in Civil Engineering from Florida Institute of Technology in 1983. Mr. Hewitt is a member of the Construction Industry Institute; he has served on various committees including the Implementation Strategy Sub-Committee and Optimizing Project Organizations research committee.

Joseph F. Montalbano
Chief Operating Officer
Joseph F. Montalbano has served as Chief Operating Officer for Matrix Service Company since April 2008. From 2002 to 2008, Mr. Montalbano served as Senior Vice President - Senior Project Director Energy Sector of Black & Veatch. Prior to working for Black & Veatch from 1972 to 2002, Mr. Montalbano served numerous project management roles with a national construction firm serving the energy sector. Throughout this 42 year career Mr. Montalbano has provided leadership to the engineering, procurement and construction of domestic and international electric generation stations, LNG regasification terminals, major fuel oil storage depots, repair and maintenance services and facility expansions at numerous domestic refineries, and capital expansions of the HV electrical infrastructure in the US. Mr. Montalbano holds a Bachelor of Science in Electrical Engineering and Masters of Science in Electrical Engineering degrees from Polytechnic Institute of Brooklyn. He earned a Master’s in Business Administration from New York Institute of Technology and is registered as a Professional Engineer in multiple states.

Kevin S. Cavanah
Chief Financial Officer
Kevin S. Cavanah has served as Chief Financial Officer since December, 2010. Mr. Cavanah served as Vice President, Accounting and Financial Reporting from August 2007 to December 2010 and as Controller from April 2003 to August 2007. Prior to joining the Company, Mr. Cavanah served as an Accounting Manager for Williams Communications from 2001 to 2003 and as an Accounting Manager for The Williams Companies from 1998 to 2001. Prior to joining Williams Companies, Mr. Cavanah served as an Audit Manager for Ernst & Young LLP. Mr. Cavanah has a Bachelor of Science Degree in Business Administration in Accounting from the University of Arkansas and is a member of Financial Executives International.

Nancy E. Austin
Vice President, Human Resources
Nancy E. Austin has served as Vice President Human Resources since January 2006. Mrs. Austin served as Director of Human Resources from September 2000 to January 2006. Prior to joining the Company, Mrs. Austin worked for TV Guide, Samson Resources and Villareal & Associates specializing in human resource management, employee relations, and consulting. Mrs. Austin holds a Bachelor of Science Degree in Political Science from Oklahoma State University and is a certified Professional in Human Resources (PHR). She is also a member of the Society for Human Resource Management, World-at-Work and Tulsa Area Human Resources Association.

Jason W. Turner
President, Matrix North American Holdings
Jason Turner joined the company in March 2006 and has been President of Matrix North American Holdings since December 2013. Prior to leading the company’s union operations, Mr. Turner was on the executive leadership team most recently serving as Vice President and Treasurer of Matrix Service Company. From March 2006 to May 2010, he served as Director of Finance for the company. Prior to joining Matrix Service Company, Mr. Turner was Vice President, Commercial Banking for Bank of America. From May 1996 to February 2005, Mr. Turner held various positions with Gemstar-TV Guide including Vice President of Finance for TV Guide Networks. Prior to 1996, Mr. Turner worked for the Federal Reserve Bank and in commercial banking. Mr. Turner has a Bachelor of Science Degree in Finance from Oklahoma State University and an MBA from the University of Tulsa. Mr. Turner is active in a many professional and community organizations.

Jack Frost
Vice President, Environmental, Health & Safety
Jack Frost has served as Vice President, Environmental, Health & Safety since February 2012. Prior to joining Matrix, Mr. Frost served as Global QHSES Director for Tesco Corporation and was responsible for the development and implementation of all global strategic and tactical QHSES initiatives. Previous to Tesco, Mr. Frost was the Europe-Eurasia EHS Manager for Hess Corporation. Mr. Frost holds a Bachelor of Arts degree in Legal Studies from University of Louisiana at Monroe. He is also a Board Certified Safety Professional (CSP) & holds an Associate in Risk Management (ARM) designation. Mr. Frost is a member of the American Society of Safety Engineers (ASSE).