Delta executive joins Orbitz as CFO By Danny King / February 25, 2013 Share 1 -- Orbitz has brought in Delta Air Lines controller Mike Randolfi to be the online travel agency’s new chief financial officer, effective March 11. Randolfi will become Orbitz’s CFO effective March 11. Interim CFO David Belmont will remain as group vice president, financial planning and analysis. Mitch Marcus last month quit as CFO after just two months on the job. Last June, Russell Hammer left the company after 18 months and was temporarily succeeded by Belmont. Hammer replaced Marsha Williams in early 2011.