Image of Thomas D. Brisbin, Ph.D.
Willdan Group, Inc.

Thomas D. Brisbin joined Willdan Group in April 2007 as Chief Executive Officer.  Dr. Brisbin previously was vice president of and consultant for AECOM Technology Corporation, or AECOM, since spring 2004.  At AECOM, a company focused on infrastructure, environment and facilities engineering contracts, Dr. Brisbin was responsible for developing the company’s environmental business.  Prior to joining AECOM, Dr. Brisbin was chief operating officer and executive vice president of Tetra Tech, Inc., or Tetra Tech, a leading provider of consulting, engineering and technical services, for five years.  Prior to that, he was employed by Planning Research Corporation, or PRC, a systems analysis and management consulting company and wholly-owned subsidiary of The Black & Decker Corporation, from 1978 to 1995 and was co-founder and President of PRC Environmental Management, Inc.  During his tenure at PRC, he was involved in all aspects of operations, marketing and finance.  Before joining PRC, he was a research associate at Argonne National Laboratory.  He has also served as an adjunct professor at the Illinois Institute of Technology.  Dr. Brisbin holds a B.S. degree from Northern Illinois University and a Ph.D. in Environmental Engineering from Illinois Institute of Technology.  He also completed Harvard Business School’s Advanced Management Program in 1988.  Dr. Brisbin, as our current President and Chief Executive Officer, brings his in-depth knowledge of the day-to-day operations of the Company and its industry to the Board, providing valuable insight to the Board as it reviews our operations, growth and financial prospects.  In addition, we believe that his experience as an executive officer at Tetra Tech, a publicly traded engineering and consulting company, benefits our Board by increasing his knowledge of our industry and effective public company corporate governance.

Image of Michael A. Bieber

Michael A. Bieber was appointed President of Willdan Group in November 2016.  Mr. Bieber joined Willdan Group in December 2014 as Senior Vice President, Corporate Development.  Previously, he served as Senior Vice President at Tetra Tech, where he served in a number of leadership roles for over 18 years.  From March 2007 to December 2014, Mr. Bieber managed Tetra Tech’s mergers and acquisitions and investor relations functions, overseeing over fifty acquisitions.  From 2005 to 2007, Mr. Bieber managed Tetra Tech’s corporate business development group, where he was responsible for overseeing internal business development, marketing and communications.  From January 2000 to December 2014, Mr. Bieber also worked in Tetra Tech’s investor relations group.  From 1996 to 2000, he was a proposal manager in Tetra Tech’s corporate marketing group.  From 1994 to 1996, he served at CRC, Inc., and its successor, as a strategic business development consultant to large defense, infrastructure, and environmental firms.  Prior to 1994, Mr. Bieber worked for IT Corporation (now CB&I) where he served as project manager and engineer on government nuclear and commercial environmental projects.  Mr. Bieber holds a B.S. degree in Civil Engineering from the Tennessee Technological University.

Image of Stacy B. McLaughlin
Willdan Group, Inc.

Stacy B. McLaughlin was appointed Vice President and Chief Financial Officer of the Company, effective November 15, 2013.  Mrs. McLaughlin served as the Company’s Compliance Manager from 2010 to 2013.  As Compliance Manager, Mrs. McLaughlin was responsible for overseeing all aspects of the financial reporting process, including analyzing the balance sheets and income statements of each business segment.  Prior to joining the Company, Mrs. McLaughlin was, from 2009 to 2010, Senior Associate at Windes & McClaughry Accountancy Corporation and, from 2004 to 2009, Senior Audit Associate at the public accounting firm KPMG LLP.  In her position at KPMG LLP, she planned, coordinated and completed financial statement audits for companies in the engineering services sector, among others.  Mrs. McLaughlin has a Masters in Accounting from the University of Southern California and BS from the University of Arizona.  Mrs. McLaughlin is a Certified Public Accountant (CPA).

Image of Daniel Chow

Daniel Chow was appointed Chief Operating Officer of Willdan Group in November 2016.  Mr. Chow also serves as President and Chief Executive Officer of Willdan Engineering and Willdan Energy Solutions.  Mr. Chow was appointed President and Chief Executive Officer of Willdan Engineering in December 2008 and added responsibility for Willdan Energy Solutions in August 2016.   Prior to joining the Company, Mr. Chow was the Vice President of AMEC Earth & Environmental, Inc., a subsidiary of AMEC plc, a global provider of high value consultancy, engineering and project management services to the energy, power and process industries, from April 2004 to December 2008.  Prior to AMEC, Mr. Chow worked at Tetra Tech EM Inc. (formerly PRC Environmental Management, Inc.) for over 20 years and held various senior management positions, including Vice President of US operations.  During Mr. Chow’s tenure with these firms he was responsible for establishing new offices and developing and implementing management systems firmwide to enhance operations.  He also led the pursuit and management of multi-million dollar contracts for government clients that included the U.S. Navy and the U.S. Army Corps of Engineers.  Mr. Chow received his B.Sc. in Mechanical Engineering from Tennessee Technological University and his Master’s Degree in Environmental Engineering from Illinois Institute of Technology.  He is a registered professional engineer in the state of Illinois and Guam.

Image of Marc Tipermas
Willdan Group, Inc.

Marc Tipermas was appointed President of National Programs in May 2007.  Dr. Tipermas has spent most of his 35-year career in the professional services industry in a variety of senior executive level business development and operations positions.  From 1981 to 1998, Dr. Tipermas worked at ICF Kaiser International, a global consulting, engineering, and program management firm with over 6,000 employees, and was named President and Chief Operating Officer in 1997.  From January 2002 to May 2006, he was Senior Vice President for Business Development of Dynamac Corporation, an environmental consulting firm.  From October 1998 to December 2001 and from May 2006 to May 2007, he worked as an independent business development consultant to several nationwide engineering and consulting firms.  From 1977 to 1981 Dr. Tipermas worked at the U.S. Environmental Protection Agency (EPA) and from 1980 to 1981 served as the first Director of EPA’s Superfund Policy and Program Management Office.  From 1975 to 1977 he was Assistant Professor of Political Science at SUNY/Buffalo.  Dr. Tipermas received an S.B. from the Massachusetts Institute of Technology and holds Ph.D. and Master’s degrees from Harvard University in political science.

Image of Frank G. Tripepi

Frank G. Tripepi was appointed Senior Vice President, Business Development in May 2011.  Previously, he served as the President and Chief Executive Officer of our subsidiary, Willdan Financial Services, formerly known as MuniFinancial, from June 2002 to May 2011.  From October 2008 to December 2009, Mr. Tripepi also served as the interim city manager for the City of La Puente.  Prior to joining Willdan Financial Services, Mr. Tripepi served as the city manager of Rosemead, California for approximately 28 years.  In April 2004, Mr. Tripepi received an appointment to the Board of Governors of the Rose Institute of State and Local Government.  The Rose Institute conducts and publishes research on California government and politics.  Mr. Tripepi received his B.A. in Political Science in 1969 from California State University, Fullerton.

Image of Mark Risco

Mark Risco was appointed President and Chief Executive Officer of our Financial Services Division (our subsidiary, Willdan Financial Services) in November 2011. Mr. Risco was previously Senior Vice President, responsible for overseeing the operations of the division's three groups- District Administration, Financial Consulting and Federal Compliance. From 2001 until 2011, Mr. Risco served in multiple management capacities of increasing responsibility within the District Administration Services Group of Willdan Financial Services. His particular expertise includes special district formation and administration services for a variety of special financing district mechanisms including Assessment Districts, Community Facilities Districts and Water Standby Charge Programs. He was also responsible for ensuring that assessment proceedings were in compliance with the State of California's Proposition 218. Prior to joining Willdan in 1999, Mr. Risco worked in acquisitions and development for a California-based real estate and investment trust company specializing in commercial and industrial properties. Mr. Risco received his B.A. in Business Administration from California State University, Fullerton.

Mike Hooper was appointed President and Chief Executive Officer of our Homeland Solutions Division (our subsidiary, Willdan Homeland Solutions) in August 2016, having served as its Vice President since 2013 and Training and Exercise Manager since 2008. Prior to joining Willdan, Mr. Hooper was a Homeland Security Consultant for EG&G Technical Services, a division of the URS Corporation. 
Mr. Hooper is a senior homeland security and emergency management professional with over twelve years of experience leading critical missions across the homeland security enterprise, including hurricane preparedness exercises; advanced analytic trainings; and statewide, multi-day, complex prevention, response, and recovery exercises, for jurisdictions across the US. 
Mr. Hooper is a Master Exercise Practitioner (MEP), and served as a volunteer firefighter with the Riverside County Fire Department, where he received training in Hazardous Materials response, and emergency medical services.
Mr. Hooper holds a B.A. in History from Azusa Pacific University.