Mina Martinovich, a veteran of county finance, has assumed a new position as head of the division right after getting the reins from her manager, who retired soon after more than 30 several years this spring. Employed by Roy Offered in June 2011, Martinovich served 7 several years as assistant director of finance just before getting named director last month. Her yearly income is $235,102. Provided retired as director of finance — a work that included the posts of auditor, controller, treasurer and tax collector — in April and moved with his wife to Sonoma County, shut to his son and daughter who reside in Rohnert Park. He said he…