Los Angeles-based Leads360, which develops sales automation software, said this morning that it has named Mark DuVall as its Chief Technology Officer. DuVall joins the company from LiveOffice, which was recently acquired by Symantec. DuVall also has served at such firms as TRW, and has more than 29 years of experience in the industry. Leads360 develops software which is used to help manage sales leads for companies.