Jeffrey Lopata has been appointed senior vice president and chief information officer at Preferred Mutual Insurance Company. He joined Preferred Mutual in 2005 as manager of the commercial lines e-business team. Lopata, a graduate of St. John Fisher College, has more than 15 years management experience in his field and the insurance industry. Prior to joining Preferred Mutual, he worked eight years with Utica National Insurance Group, where he managed web development and application development, according to his LinkedIn page. Lopata holds a bachelor’s degree in management with a concentration in marketing.Sandra Mackwas recently promoted to liability claims manager at Preferred Mutual. Prior to this position, she was a claims specialist in the liability claims unit. Mack is a graduate of the State University of New York at Alfred and holds the associate in claims, associate in insurance services, senior claim law associate, and certified insurance counselor designations.