Complex sentence: After returning from England, he worked with the antiques dealer Gep Durenberger and with the New York designer John Saladino, and has been running his own interior design business since 1990.
Split into simpler sentences: After returning from England, he worked with the antiques dealer Gep Durenberger and with the New York designer John Saladino. He has been running his own interior design business since 1990.