Audit Committee Position

Mark A. Zwecker

Director

Mr. Zwecker, a director since the Company's inception in January 1991, previously served as the CFO and a board member for JCI US Inc. from 2013 to 2019. JCI US Inc. is a telecommunications company and wholly-owned subsidiary of Japan Communications, Inc. (Tokyo Stock Exchange (Securities Code: 9424)), which provides cellular service for M2M (machine to machine) applications. From 2006 to 2013, Mr. Zwecker served as Director of Finance for Communications Security and Compliance Technologies, Inc., a wholly-owned subsidiary of JCI US Inc. that develops security software products for the mobile workforce. From 1997 to 2006, Mr. Zwecker served as President of ACI Technology, LLC, a privately-held IT services provider, and from 1986 to 1998, he served as Vice President of Finance and Administration for American Combustion, Inc., a privately-held combustion technology solutions provider. In 1981, with Dr. Centofanti, Mr. Zwecker co-founded a start-up, PPM, Inc., a hazardous waste management company. He remained with PPM, Inc. until its acquisition in 1985 by USPCI. Mr. Zwecker has a B.S. in Industrial and Systems Engineering from the Georgia Institute of Technology and an M.B.A. from Harvard University.

Chair

Joseph T. Grumski

Director

Effective February 4, 2020, Mr. Grumski was unanimously elected by the Board as a director to fill a vacancy on the Board. From May 2013 through March 2020, Mr. Grumski served as President and CEO and a board member of TAS Energy Inc. (“TAS”), a privately-held company. In April 2020, TAS was acquired by Comfort Systems USA (NYSE: FIX), operating as a wholly-owned subsidiary of Comfort Systems USA. Mr. Grumki continues to serve as the President and CEO of TAS. TAS delivers efficient modular systems manufactured offsite and utilized in power, data centers, industrial and commercial applications. TAS has successfully managed over 400 projects in over 32 countries. From 1997 to February 2013, Mr. Grumski was employed with Science Applications International Corporation (“SAIC”) (NYSE: SAIC), a publicly-held company that provides government services and information technology support. During his employment with SAIC, Mr. Grumski held various senior management positions, including the positions of President of SAIC’s Energy, Environment & Infrastructure (“E2I”) commercial subsidiary and General Manager of the E2I Business Unit. SAIC’s E2I commercial subsidiary and Business Unit is comprised of approximately 5,200 employees performing over $1.1B of services for federal, commercial, utility and state customers. Mr. Grumski’s many accomplishments with SAIC included growing SAIC’s $300M federal environmental business to a top ranked, $1.1B business; receiving National Safety Council “Industry Leader” award in 2009; and receiving highest senior executive performance rating three years in a row. Mr. Grumski began his career with Gulf Oil Company and has progressed through senior level engineering, operations management, and program management positions with various companies, including Westinghouse Electric Corporation and Lockheed Martin, Inc. Mr. Grumski received a B.S. in Mechanical Engineering from The University of Pittsburgh and a M.S in Mechanical Engineering from West Virginia University.

Member

Larry M. Shelton

Board Chairman

Mr. Shelton, a director since July 2006, has also held the position of Chairman of the Board of the Company since December 16, 2014. Mr. Shelton served as the Chief Financial Officer (“CFO”) of S K Hart Management, LLC, a private investment management company (”S K Hart Management”), from 1999 until August 31, 2018. Mr. Shelton served as President of Pony Express Land Development, Inc. (an affiliate of SK Hart Management), a privately held land development company, from January 2013 to until August 2017, and has served on its board since December 2005. Mr. Shelton served as Director and CFO of S K Hart Ranches (PTY) Ltd, a  private South African Company involved in agriculture, from March 2012 to March  2020. Mr. Shelton continues to provide advisory services to S K Hart Ranches (PTY) Ltd. Mr. Shelton served as a member of the Supervisory Board of PF Medical from April 2014 to December 2016. Mr. Shelton has over 20 years of experience as an executive financial officer for several waste management companies, including as CFO of Envirocare of Utah, Inc. (now EnergySolutions, Inc. (1995–1999)), a privately held nuclear waste services company, and as CFO of USPCI, Inc. (1982–1987), then a NYSE- listed public company engaged in the hazardous waste business. Since July 1989, Mr. Shelton has served on the board of Subsurface Technologies, Inc., a privately held company specializing in providing environmentally sound innovative solutions for water well rehabilitation and development. Mr. Shelton has a B.A. in accounting from the University of Oklahoma.

Member

Audit Committee Charter

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Compensation and Stock Option Committee Position

Joseph T. Grumski

Director

Effective February 4, 2020, Mr. Grumski was unanimously elected by the Board as a director to fill a vacancy on the Board. From May 2013 through March 2020, Mr. Grumski served as President and CEO and a board member of TAS Energy Inc. (“TAS”), a privately-held company. In April 2020, TAS was acquired by Comfort Systems USA (NYSE: FIX), operating as a wholly-owned subsidiary of Comfort Systems USA. Mr. Grumki continues to serve as the President and CEO of TAS. TAS delivers efficient modular systems manufactured offsite and utilized in power, data centers, industrial and commercial applications. TAS has successfully managed over 400 projects in over 32 countries. From 1997 to February 2013, Mr. Grumski was employed with Science Applications International Corporation (“SAIC”) (NYSE: SAIC), a publicly-held company that provides government services and information technology support. During his employment with SAIC, Mr. Grumski held various senior management positions, including the positions of President of SAIC’s Energy, Environment & Infrastructure (“E2I”) commercial subsidiary and General Manager of the E2I Business Unit. SAIC’s E2I commercial subsidiary and Business Unit is comprised of approximately 5,200 employees performing over $1.1B of services for federal, commercial, utility and state customers. Mr. Grumski’s many accomplishments with SAIC included growing SAIC’s $300M federal environmental business to a top ranked, $1.1B business; receiving National Safety Council “Industry Leader” award in 2009; and receiving highest senior executive performance rating three years in a row. Mr. Grumski began his career with Gulf Oil Company and has progressed through senior level engineering, operations management, and program management positions with various companies, including Westinghouse Electric Corporation and Lockheed Martin, Inc. Mr. Grumski received a B.S. in Mechanical Engineering from The University of Pittsburgh and a M.S in Mechanical Engineering from West Virginia University.

Chair

Honorable Zach P. Wamp

Director

Mr. Wamp, a director since January 2018, is currently the President of Zach Wamp Consulting, a position he has held since 2011. As the President and owner of Zach Wamp Consulting, he has served some of the most prominent companies from Silicon Valley to Wall Street as a business development consultant and advisor. From September 2013 to November 2017, Mr. Wamp chaired the Board of Directors for Chicago Bridge and Iron Federal Services, LLC (a subsidiary of Chicago Bridge & Iron Company, NYSE: CBI, which provides critical services primarily to the U.S. government). From January 1995 to January 2011, Mr. Wamp served as a member of the U.S. House of Representatives from Tennessee’s 3rd Congressional District. His district included the Oak Ridge National Laboratory, with strong science and research missions from energy to homeland security. Among his many accomplishments, which included various leadership roles in the advancement of education and science, Mr. Wamp was instrumental in the formation and success of the Tennessee Valley Technology Corridor, which created thousands of jobs for Tennesseans in the areas of high-tech research, development, and manufacturing. During his career in the political arena, Mr. Wamp served on several prominent subcommittees during his 14 years on the House Appropriations Committee, including serving as a “ranking member” of the Subcommittee on Military Construction and Veterans Affairs and Related Agencies. Mr. Wamp has been a regular panelist on numerous media outlets and has been featured in a number of national publications effectively articulating sound social and economic policy. Mr. Wamp’s business career has also included work in the real estate sector for a number of years as a licensed industrial-commercial real estate broker where he was named Chattanooga’s Small Business Person of the Year. He is a founder and Board Chair of Learning Blade, the nation’s premiere STEM education platform, which is now operating statewide in six states with deployment in another 10 states. Learning Blade is owned and operated by SAI Interactive, Inc., d/b/a Thinking Media, a privately-held educational products and services company.

Member

Mark A. Zwecker

Director

Mr. Zwecker, a director since the Company's inception in January 1991, previously served as the CFO and a board member for JCI US Inc. from 2013 to 2019. JCI US Inc. is a telecommunications company and wholly-owned subsidiary of Japan Communications, Inc. (Tokyo Stock Exchange (Securities Code: 9424)), which provides cellular service for M2M (machine to machine) applications. From 2006 to 2013, Mr. Zwecker served as Director of Finance for Communications Security and Compliance Technologies, Inc., a wholly-owned subsidiary of JCI US Inc. that develops security software products for the mobile workforce. From 1997 to 2006, Mr. Zwecker served as President of ACI Technology, LLC, a privately-held IT services provider, and from 1986 to 1998, he served as Vice President of Finance and Administration for American Combustion, Inc., a privately-held combustion technology solutions provider. In 1981, with Dr. Centofanti, Mr. Zwecker co-founded a start-up, PPM, Inc., a hazardous waste management company. He remained with PPM, Inc. until its acquisition in 1985 by USPCI. Mr. Zwecker has a B.S. in Industrial and Systems Engineering from the Georgia Institute of Technology and an M.B.A. from Harvard University.

Member

Compensation and Stock Option Committee Charter

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Corporate Governance and Nominating Committee Position

Honorable Joe R. Reeder

Director

Mr. Reeder, a director since 2003, is a principal shareholder in the law firm of Greenberg Traurig LLP, one of the nation's largest law firms, with 41 offices and 2,200 attorneys worldwide, for which Mr. Reeder served as Shareholder-in-Charge of the law firm’s Mid-Atlantic Region (1999-2008). His clientele includes celebrities, heads of state, sovereign nations, international corporations, and law firms. As the 14th Undersecretary of the U.S. Army (1993-97), Mr. Reeder also served three years as Chairman of the Panama Canal Commission's Board, overseeing a multibillion-dollar infrastructure program. For the past 18 years, he has served on the Canal’s International Advisory Board. He has served on the boards of the National Defense Industry Association (“NDIA”), chairing NDIA’s Ethics Committee, the Armed Services YMCA, the Marshall Legacy Institute, and many other private companies and charitable organizations. After successive 4-year appointments by Virginia Governors Mark Warner and Tim Kaine, Mr. Reeder served seven years as Chairman of two Commonwealth of Virginia military boards, and 10 years on the USO Board of Governors. Mr. Reeder was appointed by Governor Terry McAuliffe to the Virginia Military Institute’s Board of Visitors (2014), and reappointed in 2018 by current Virginia Governor Ralph Northam. Mr. Reeder, who has been a television commentator on legal and national security issues, has consistently been named a Super Lawyer for Washington, D.C., most recently in 2021. Mr. Reeder served as a director of ELBIT Systems of America, LLC, (2005-2020), an Elbit Systems Ltd. subsidiary (NASDAQ: ESLT), a multi-billion dollar provider of defense, homeland security, and commercial aviation system solutions. He served on the Washington First Bank (“WFB”) board (2004-2017) and Sandy Spring Bancorp, Inc. (NASDAQ: SASR) board (2018-2020).

In May 2018 Mr. Reeder was appointed to the Advisory Council Bid Protest Committee to the United States Court of Federal Claims.

A West Point graduate who served in the 82nd Airborne Division after Ranger School, Mr. Reeder earned his J.D. from the University of Texas, and L.L.M. from Georgetown University.

Chair

Honorable Zach P. Wamp

Director

Mr. Wamp, a director since January 2018, is currently the President of Zach Wamp Consulting, a position he has held since 2011. As the President and owner of Zach Wamp Consulting, he has served some of the most prominent companies from Silicon Valley to Wall Street as a business development consultant and advisor. From September 2013 to November 2017, Mr. Wamp chaired the Board of Directors for Chicago Bridge and Iron Federal Services, LLC (a subsidiary of Chicago Bridge & Iron Company, NYSE: CBI, which provides critical services primarily to the U.S. government). From January 1995 to January 2011, Mr. Wamp served as a member of the U.S. House of Representatives from Tennessee’s 3rd Congressional District. His district included the Oak Ridge National Laboratory, with strong science and research missions from energy to homeland security. Among his many accomplishments, which included various leadership roles in the advancement of education and science, Mr. Wamp was instrumental in the formation and success of the Tennessee Valley Technology Corridor, which created thousands of jobs for Tennesseans in the areas of high-tech research, development, and manufacturing. During his career in the political arena, Mr. Wamp served on several prominent subcommittees during his 14 years on the House Appropriations Committee, including serving as a “ranking member” of the Subcommittee on Military Construction and Veterans Affairs and Related Agencies. Mr. Wamp has been a regular panelist on numerous media outlets and has been featured in a number of national publications effectively articulating sound social and economic policy. Mr. Wamp’s business career has also included work in the real estate sector for a number of years as a licensed industrial-commercial real estate broker where he was named Chattanooga’s Small Business Person of the Year. He is a founder and Board Chair of Learning Blade, the nation’s premiere STEM education platform, which is now operating statewide in six states with deployment in another 10 states. Learning Blade is owned and operated by SAI Interactive, Inc., d/b/a Thinking Media, a privately-held educational products and services company.

Member

Thomas P. Bostick

Director

Effective August 10, 2020, Mr. Bostick was unanimously elected by the Board to serve as a member of the Company’s Board of Directors. Mr. Bostick is currently the CEO of Bostick Global Strategies, LLC, a position he has held since July 2016. Bostick Global Strategies, LLC provides strategic advisory support in the areas of Engineering, Environmental Sustainability, Human Resources, Biotechnology, Education, Executive Coaching, and Agile Project Management. In February 2021, Mr. Bostick was selected by U. S. Senator Jack Reed, Chairman of the Senate Armed Services Committee, to serve as a member of a new commission consisting of eight appointed individuals, tasked with renaming Confederate-named military bases and property. Mr. Bostick previously served as the Chief Operating Officer (“COO”) and President of Intrexon Bioengineering from November 2017 to February 2020, a division of Intrexon Corporation (formerly NASDAQ: XON; now NASDAQ: PGEN). Intrexon Bioengineering addresses global challenges across food, agriculture, environmental, energy, and industrial fields by advancing biologically engineered solutions to improve sustainability and efficiency. As the COO and President of Intrexon Bioengineering, Mr. Bostick oversaw operations across the company’s multiple technology divisions and led a major restructuring of Intrexon Corporation. Mr. Bostick is a member of the board of HireVue, Inc., a privately-held company specializing in online video interviewing services for employers, and Streamside Systems, Inc., a privately-held, veteran-led company that provides services and solutions for global water resource problems. In October 2020, Mr. Bostick was appointed to the board of CSX Corporation (NASDAQ: CSX), a publicly-held rail transportation company, where in December 2020 he was appointed to serve as a member of both the Finance Committee and the Governance Committee. Effective June 1, 2021, Mr. Bostick joined the Fidelity Equity and High Income Fund Board of Trustees, which oversees the high income and certain equity funds sponsored by Fidelity Investments, Inc., a privately-owned investment management company. In addition to Mr. Bostick’s service on the boards of for-profit companies, he has since November 2016 also served on the board of American Corporate Partners, a 501(c)(3) nonprofit organization dedicated to assisting U.S. veterans in their transition from the armed services to the civilian workforce. Mr. Bostick was recently named as one of 2021’s Most Influential Black Corporate Directors by Savoy Magazine, a national publication that showcases and drives positive dialogue about Black culture.

Mr. Bostick has also had a distinguished career in the U.S. military, retiring from the US Army in July 2016 with the rank of Lieutenant General. During his distinguished military career, he served as the 53rd U.S. Army Chief of Engineers and the Commanding General of the U.S. Army Corps of Engineers (USACE). As the senior military officer of the USACE, General Bostick was responsible for overseeing and supervising most of the Nation's civil works infrastructure and military construction, hundreds of environmental protection projects, as well as managing 34,000 civilian employees and military personnel in over 110 countries around the world with a $25 billion annual budget. As the Chief of Engineers, General Bostick led a $5 billion recovery program after Superstorm Sandy.

Before his command of USACE, General Bostick served in a variety of command and staff assignments with the U.S. Army both in the U.S. and abroad, including as Deputy Chief of Staff, G-1, Personnel, U.S. Army; Commanding General, U.S. Army Recruiting Command; Assistant Division Commander, 1st Cavalry Division; Executive Officer to the Chief of Engineers; Executive Officer to the Army Chief of Staff; and Deputy Director of Operations for the National Military Command Center, J-3, the Joint Staff in the Pentagon.

General Bostick’s military honors and decorations include the Distinguished Service Medal, the Defense Superior Service Medal, the Bronze Star, the Legion of Merit with two oak leaf clusters, the Defense Meritorious Service Medal, the Meritorious Service Medal with four oak leaf clusters, the Joint Service Commendation Medal, the Army Commendation Medal, the Army Achievement Medal with one oak leaf cluster, the Combat Action Badge, the U.S Parachutist badge, the Army Recruiter Badge, and the Ranger Tab.

As a White House Fellow, one of America’s most prestigious programs for leadership and public service, General Bostick was a special assistant to the Secretary of Veterans Affairs. He graduated with a Bachelor of Science degree from the U.S. Military Academy at West Point and later returned to the Academy to serve as an Associate Professor of Mechanical Engineering. He holds Master's degrees in Civil Engineering and Mechanical Engineering from Stanford University and a Doctorate in Systems Engineering from George Washington University. He is a Member of the National Academy of Engineering and the National Academy of Construction.

Member

Corporate Governance and Nominating Committee Charter

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Strategic Advisory Comittee Position

Dr. Louis F. Centofanti

Director and Founder

Dr. Centofanti currently holds the position of Executive Vice President of Strategic Initiatives. Effective January 26, 2018, Dr. Centofanti was appointed to the position of President of Perma-Fix Medical, a majority-owned foreign subsidiary of the Company.  From March 1996 to September 8, 2017 and from February 1991 to September 1995, Dr. Centofanti held the position of President and Chief Executive Officer of the Company. Dr. Centofanti served as Chairman of the Board from the Company’s inception in February 1991 until December 16, 2014. In January 2015, Dr. Centofanti was appointed by the U.S Secretary of Commerce Penny Prizker to serve on the U.S. Department of Commerce’s Civil Nuclear Trade Advisory Committee (CINTAC). The CINTAC is composed of industry representatives from the civil nuclear industry and meets periodically throughout the year to discuss the critical trade issues facing the U.S. civil nuclear sector. From 1985 until joining the Company, Dr. Centofanti served as Senior Vice President of USPCI, Inc., a large publicly-held hazardous waste management company, where he was responsible for managing the treatment, reclamation and technical groups within USPCI.  In 1981, he founded PPM, Inc. (later sold to USPCI), a hazardous waste management company specializing in treating PCB contaminated oil.  From 1978 to 1981, Dr. Centofanti served as Regional Administrator of the U.S. Department of Energy for the southeastern region of the United States.  Dr. Centofanti has a Ph.D. and a M.S. in Chemistry from the University of Michigan, and a B.S. in Chemistry from Youngstown State University.

Chair

Honorable Joe R. Reeder

Director

Mr. Reeder, a director since 2003, is a principal shareholder in the law firm of Greenberg Traurig LLP, one of the nation's largest law firms, with 41 offices and 2,200 attorneys worldwide, for which Mr. Reeder served as Shareholder-in-Charge of the law firm’s Mid-Atlantic Region (1999-2008). His clientele includes celebrities, heads of state, sovereign nations, international corporations, and law firms. As the 14th Undersecretary of the U.S. Army (1993-97), Mr. Reeder also served three years as Chairman of the Panama Canal Commission's Board, overseeing a multibillion-dollar infrastructure program. For the past 18 years, he has served on the Canal’s International Advisory Board. He has served on the boards of the National Defense Industry Association (“NDIA”), chairing NDIA’s Ethics Committee, the Armed Services YMCA, the Marshall Legacy Institute, and many other private companies and charitable organizations. After successive 4-year appointments by Virginia Governors Mark Warner and Tim Kaine, Mr. Reeder served seven years as Chairman of two Commonwealth of Virginia military boards, and 10 years on the USO Board of Governors. Mr. Reeder was appointed by Governor Terry McAuliffe to the Virginia Military Institute’s Board of Visitors (2014), and reappointed in 2018 by current Virginia Governor Ralph Northam. Mr. Reeder, who has been a television commentator on legal and national security issues, has consistently been named a Super Lawyer for Washington, D.C., most recently in 2021. Mr. Reeder served as a director of ELBIT Systems of America, LLC, (2005-2020), an Elbit Systems Ltd. subsidiary (NASDAQ: ESLT), a multi-billion dollar provider of defense, homeland security, and commercial aviation system solutions. He served on the Washington First Bank (“WFB”) board (2004-2017) and Sandy Spring Bancorp, Inc. (NASDAQ: SASR) board (2018-2020).

In May 2018 Mr. Reeder was appointed to the Advisory Council Bid Protest Committee to the United States Court of Federal Claims.

A West Point graduate who served in the 82nd Airborne Division after Ranger School, Mr. Reeder earned his J.D. from the University of Texas, and L.L.M. from Georgetown University.

Member

Larry M. Shelton

Board Chairman

Mr. Shelton, a director since July 2006, has also held the position of Chairman of the Board of the Company since December 16, 2014. Mr. Shelton served as the Chief Financial Officer (“CFO”) of S K Hart Management, LLC, a private investment management company (”S K Hart Management”), from 1999 until August 31, 2018. Mr. Shelton served as President of Pony Express Land Development, Inc. (an affiliate of SK Hart Management), a privately held land development company, from January 2013 to until August 2017, and has served on its board since December 2005. Mr. Shelton served as Director and CFO of S K Hart Ranches (PTY) Ltd, a  private South African Company involved in agriculture, from March 2012 to March  2020. Mr. Shelton continues to provide advisory services to S K Hart Ranches (PTY) Ltd. Mr. Shelton served as a member of the Supervisory Board of PF Medical from April 2014 to December 2016. Mr. Shelton has over 20 years of experience as an executive financial officer for several waste management companies, including as CFO of Envirocare of Utah, Inc. (now EnergySolutions, Inc. (1995–1999)), a privately held nuclear waste services company, and as CFO of USPCI, Inc. (1982–1987), then a NYSE- listed public company engaged in the hazardous waste business. Since July 1989, Mr. Shelton has served on the board of Subsurface Technologies, Inc., a privately held company specializing in providing environmentally sound innovative solutions for water well rehabilitation and development. Mr. Shelton has a B.A. in accounting from the University of Oklahoma.

Member

Mark A. Zwecker

Director

Mr. Zwecker, a director since the Company's inception in January 1991, previously served as the CFO and a board member for JCI US Inc. from 2013 to 2019. JCI US Inc. is a telecommunications company and wholly-owned subsidiary of Japan Communications, Inc. (Tokyo Stock Exchange (Securities Code: 9424)), which provides cellular service for M2M (machine to machine) applications. From 2006 to 2013, Mr. Zwecker served as Director of Finance for Communications Security and Compliance Technologies, Inc., a wholly-owned subsidiary of JCI US Inc. that develops security software products for the mobile workforce. From 1997 to 2006, Mr. Zwecker served as President of ACI Technology, LLC, a privately-held IT services provider, and from 1986 to 1998, he served as Vice President of Finance and Administration for American Combustion, Inc., a privately-held combustion technology solutions provider. In 1981, with Dr. Centofanti, Mr. Zwecker co-founded a start-up, PPM, Inc., a hazardous waste management company. He remained with PPM, Inc. until its acquisition in 1985 by USPCI. Mr. Zwecker has a B.S. in Industrial and Systems Engineering from the Georgia Institute of Technology and an M.B.A. from Harvard University.

Member