Tetra Tech Inc. announced the promotion of its acting Chief Financial Officer and Treasurer Steve Burdick to Chief Financial Officer and Treasurer.<br /><br />Concurrently, Tetra Tech has appointed Brian Carter as Vice President, Corporate Controller and Chief Accounting Officer, to fill Burdick's previous position.<br /><br />Frank Gross, formerly President of the Industrial/Process Business Unit of URS Corporation, has joined Tetra Tech as Executive Vice President and President of the Remediation and Construction Management segment, succeeding Don Rogers, who has retired from the company.