DAVID BELENZON has spent the past four decades working toward the advancement of variety entertainment. His talent roster includes some of the world's most unusual and creative artists.He has advanced the careers of the likes of Rita Moreno, Bowzer, Lea Salonga and many others. Under his guidance, his clients' accomplishments range from performances in 30,000-seat stadiums in South America to extended runs on Broadway, and television series from Asia to Scandinavia, as well as countless appearances in theaters, nightclubs, lecture halls and virtually every other type of venue. He has also produced a string of hit production shows for the casino market, as well as special events for many Fortune 500 companies. When not traveling to distant locations to oversee his artists' shows he makes his home just outside San Diego.