CHICAGO--(BUSINESS WIRE)--#PR--Tech Image is pleased to announce that Michael A. Monahan has been promoted to president of the award-winning digital PR agency. He replaces Dan O'Brien, who retired at the end of 2017. Monahan oversees the Tech Image team and its delivery of high-quality digital public relations and brand-positioning programs for its clients. They include Allstate, Bosch and NEC among other recognized brands, as well as start-ups and associations. Monahan also oversees the agency's st