Chief Executive and Chairman, Tetra Tech Inc.

Batrack has been with Tetra Tech since 1980 and was named chief executive in 2005 and chairman in 2008. In February, the company announced $859 million in first quarter revenue, up a full 12% from the previous year. The company is currently expanding its technical services to respond to the global demand to address water, environmental and climate change. In the past year, the company won a contract worth $300 million from FEMA for flood risk management and a contract worth $800 million from USAID for global engineering services. Batrack holds a bachelor’s degree in business administration from the University of Washington.

YEARS ON THE LA500: 5