Liz Greenberg has joined Serious Music in New York as sales rep and producer.Chris Moseley, senior VP of marketing and communications for Discovery Communications Inc., has been elected secretary of the board of directors for Promax Intl., formerly the Broadcast Promotion & Marketing Executives Board of Directors. Turner Broadcasting System Inc. said it named Wayne H. Pace finance VP and chief financial officer, effective July 1. The company said Pace also will be a member of its executive committee. Pace currently is an auditpartner with the Atlanta office of Price Waterhouse, Tyrber Broadcasting said. Bob Chuck has been named VP of special projects at Dick Clark Prods., overseeing business affairs and negotiations involving the company’s special projects. Prior to his appointment, Chuck had served as exec VP of administration and business affairs at Triad Artists for the past three years and as exec VP/general counsel of ICM for 20 years.