This excerpt taken from the TTEK 8-K filed Mar 10, 2006.
Tetra Techs Board Elects Al Smith Chairman
Pasadena, California. Tetra Tech, Inc. (NASDAQ: TTEK) announced today that Li-San Hwang has retired as Chairman of the Board of Directors, and has been succeeded by Al Smith. According to the transition plan announced in November, Dr. Hwang has assumed the position of Chairman Emeritus for life, and the Board has unanimously elected Al Smith to serve as Tetra Techs new Chairman. Mr. Smith joined the Board in May 2005 and has served as Vice Chairman since August 2005.
Dan Batrack, Tetra Techs CEO, said, This step completes the management transition that Tetra Tech announced in November. The management team welcomes Al Smith as Tetra Techs new Chairman, and wishes Dr. Hwang much happiness in his retirement.
Tetra Techs Board of Directors now has six members and includes four outside Directors.