Patrick D. Haun

President, Engineering Management Concepts, Inc.

Mr. Haun joined EMC in 1985 and has supported major federal clients including the U.S. Navy and other branches of the U.S. Department of Defense. He has managed groups that provide engineering and program management support in the areas of computer system design, analysis, and integration; systems engineering and logistics; modeling and simulation; and weapons test range support. Mr. Haun began his career as a field engineer and technical services manager in the petroleum industry. He holds a B.S. in Electrical Engineering.

Mr. Haun was named Senior Vice President and President of the Systems Support and Security Group of Tetra Tech, Inc. in December 2005.