San Diego-based Concepts Worldwide, an international meeting and event planning company, has hired Elaine Kady as national account executive and Michael Schultz as director of operations. Call 858/535-0050; Web site: www.conceptsworldwide.com.
* Renee Cherrin Erlich has been promoted to CEO and Craig Erlich has been promoted to president of Southfield, Mich.-based Star Trax Corporate Events. Call 800/9EVENTS (938-3687), 248/263-6300; Web site: www.startraxcorp events.com.
* Norman "Buddy" Fox has joined New York-based Mark Sonder Music as producer and manager of the New York office. Call 800/MSM-MUSIC (676-6874), 212/262-4600; Web site: www.marksondermusic.com.
* Richard Kalnins has been named executive director of the Washington-based National Caterers Association. Call 800/NCA-0029 (622-0029), 202/973-3964; Web site: www.ncacater.org.
* Natalie Phillips has joined the production team of Hallandale, Fla.-based corporate event planning company Pioneer Productions. Call 954/961-1223; Web site: www.pioneerproductions.com.