Management

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Thomas D. Brisbin, Ph.D.
President and Chief Executive Officer: Willdan Group, Inc.

Thomas D. Brisbin, Ph.D., joined WGI as President and Chief Executive Officer in April 2007. Dr. Thomas Brisbin has a track record of success in the engineering consulting business, and a strong background in the municipal markets that form the core of our business. Prior to joining WGI, Dr. Brisbin was the Vice President of AECOM Technology Corporation, a subsidiary of AECOM, the global provider of professional technical and management support services with clients in more than 60 countries. Prior to AECOM, he was the Chief Operating Officer and Executive Vice President of Tetra Tech, a Pasadena based corporation that provides specialized management consulting and technical services in the areas of resource management and infrastructure. Dr. Brisbin joined Tetra Tech after it acquired PRC Environment Management, Inc., the company he founded and built into a business with over $100 million in annual revenues. Earlier in his career, he specialized in water and wastewater studies and design projects for municipalities and industry.

Dr. Brisbin holds a Ph.D. in Environmental Engineering from the Illinois Institute of Technology and a Bachelor's degree in Biology from Northern Illinois University. His post-graduate studies include the Advanced Management Program at Harvard University.
Win Westfall
Chairman of the Board: Willdan Group, Inc.

Win Westfall has served as Chairman of the Board since May 2006, and has been a member of our board of directors since 2001. Mr. Westfall was our Senior Vice President of Corporate Relations from January 2004 to May 2006, and was a regional manager in northern California from 1998 through January 2004. Mr. Westfall has over 35 years experience as a line manager for consulting engineering firms, and has served as city engineer for seven California cities. Mr. Westfall received his B.S. in Civil Engineering from the University of Southern California in 1962, and a M.B.A. from Pepperdine University in 1980. Mr. Westfall is a fellow of The Society of American Military Engineers and has been active in numerous other professional associations. During 1997, he served as the National President for The American Public Works Association, the first private consultant to hold this position. Mr. Westfall has served on and chaired national committees for the American Council of Engineering Companies, and in 2004 was made an Honorary CLOD (past president) of the County Engineers Association of California, the first private consultant to be accorded this honor, as well. He has held civil engineering registrations in California, Colorado, Hawaii, Idaho, Nevada and Washington.
Marc Tipermas
President of National Programs: Willdan Group, Inc.

Appointed in June 2007 to lead business development, Mr. Marc Tipermas has spent most of his 30-year career in the professional services industry in a variety of senior executive level business development and operations positions. From 1981 to 1998 he was with ICF Kaiser International, a global consulting, engineering, and program management firm with over 6,000 employees, and was named President and Chief Operating Officer of the company in 1997. More recently he was Senior Vice President for Business Development of Dynamac Corporation, an environmental consulting firm, and has also been an independent business development consultant to several nationwide engineering and consulting firms. Earlier in his career Mr. Tipermas worked at the US Environmental Protection Agency (EPA) and in 1980-81 served as the first Director of EPA's Superfund Policy and Program Management Office.

Mr. Tipermas received an S.B. from the Massachusetts Institute of Technology, and also holds Ph.D. and Master's degrees from Harvard University in political science.
Kimberly Gant
Chief Financial Officer: Willdan Group, Inc.

Kimberly Gant brings 21 years of experience in the engineering and consulting industry in all aspects of finance and accounting, including treasury, capital markets, and mergers and acquisitions. In July 2007 she joined Willdan from AECOM Technology Corporation, a leading global provider of professional technical and management support services to government and commercial clients, where she was vice president of corporate development since January 2005. Prior to AECOM, she was with Tetra Tech, Inc. for over eight years, holding finance positions of increasing responsibility, including vice president of corporate development and treasury and vice president of corporate planning and reporting.

Ms. Gant is a Certified Public Accountant and holds a Bachelor's degree in Accountancy from the University of Oklahoma.
Del Conrad
Vice President of Financial Reporting & Compliance: Willdan Group, Inc.

Del Conrad has been our Vice President of Financial Reporting and Compliance since April 2006. He oversees our timely compliance with all applicable reporting requirements and regulations. From 2002 until joining us, he developed a consulting practice that specialized in addressing public companies' financial reporting problems and Sarbanes-Oxley compliance. From 1995 to 2002, Mr. Conrad was the Chief Financial Officer, Treasurer and Secretary at Troy Group, a technology company, where he managed its public offering. Prior to his work at Troy Group, Mr. Conrad spent 10 years as an audit partner with McGladrey & Pullen, LLP. He received a B.A. in Business Administration in 1972 from the University of Iowa.
David L. Hunt
President and Chief Executive Officer of Willdan Engineering: David Hunt was appointed president and chief executive officer of Willdan Engineering in March 2007. Mr. Hunt joined Willdan in 1985 as senior engineer, succeeding into the roles of supervising engineer, vice president and division manager, and later, senior vice president and regional office manager for Orange County. He has served on the Boards of WGI subsidiaries Willdan and Arroyo Geotechnical since 2003 and the Board of subsidiary Public Agency Resources since 2005. Prior to joining Willdan, Mr. Hunt was with PRC Engineering for ten years as an engineer. He earned Master's and Bachelor's degrees in Civil Engineering from California State University, Fullerton. He is a licensed civil engineer in California and is active in the American Society of Civil Engineers, the American Public Works Association, the League of California Cities and CELSOC (Consulting Engineers and Land Surveyors of California).
Frank G. Tripepi
President and Chief Executive Officer of Willdan Financial Services: Frank G. Tripepi has been the President and Chief Executive Officer of our Financial Services division (previously our subsidiary, MuniFinancial) since June 2002. Prior to joining MuniFinancial, 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.
Ross Khiabani
President and Chief Executive Officer of Willdan Geotechnical: Ross Khiabani has been the President and Chief Executive Officer of our Geotechnical division (previously our subsidiary, Arroyo Geotechnical) since September 2003. Prior to joining Arroyo Geotechnical, he was the President of Leighton Consulting, a division of Leighton Group, Inc., where he spent 23 years. Mr. Khiabani has over 30 years experience in geotechnical engineering, including assignments in commercial, residential, industrial and institutional development, ports and harbors, public works, transportation (including major bridges, local roads, freeways and toll roads) and water and wastewater facilities. Mr. Khiabani received a B.S. in Geology from Pahlavi University in Iran and a M.S. in Geotechnical Engineering from California State University, Long Beach. He is a registered civil engineer in California, Arizona and Nevada, and a registered geotechnical engineer in California.
Victor Thies
President and Chief Executive Officer of Willdan Homeland Solutions: Victor Thies is President and CEO of our Homeland Solutions division (formerly our subsidiary, American Homeland Solutions). A retired police commander, he has been involved in law enforcement for over 30 years, 21 as a police manager for the City of Irvine, California. Mr. Thies is nationally known for his expertise in dealing with training and management issues involving critical incident management, sexual harassment, discrimination situations, and workplace relations. He served on California State committees for training development in disaster response and has participated in six POST teleconferences as a subject matter expert in both ICS and Harassment/Discrimination Prevention. He was the Lead Incident Commander for the nation's first weapons of mass destruction case (Operation Foxboro Recovery 3/2000).

Mr. Thies received his Bachelors of Arts in Police Science from California State at Los Angeles and his Master's Degree in Public Communication from Pepperdine University in Malibu, California. Later he received his Police Officers Standards Training (POST) Command College Certificate, and graduated a Dale Carnegie Course in Human Relations.