Timothy M. Prunk has been appointed president of MatchLogic, the online advertising company, which is a wholly owned subsidiary of Excite@Home. MatchLogic is in Westminster, CO.
COREMedia Systems, Fairfield, NJ, has named Glenn DeKraker president and CEO. Carl Langrock has re-joined the company as vice president, director of operations. COREMedia provides software and technical services to direct response advertising agencies.