Role at controller. role of chief financial officer. George Jimenez is the controller at Balkin Electronics, a manufacturer of devices for me computer industry. The company may promote him to chief financial officer. In this table, indicate which executive is primarily responsible for each activity. Role at controller. role of chief financial officer. George Jimenez is the controller at Balkin Electronics, a manufacturer of devices for me computer industry. The company may promote him to chief financial officer. In this table, indicate which executive is primarily responsible for each activity