Complex sentence: Melissa Barak (born in Los Angeles) is a choreographer and ballerina, dancing with the Los Angeles Ballet since 2006 and with Morphoses/The Wheeldon Company; she formerly danced for New York City Ballet.
Split into simpler sentences: Melissa Barak (born in Los Angeles) is a choreographer and ballerina. She danced with the Los Angeles Ballet since 2006 and with Morphoses/The Wheeldon Company, formerly dancing for New York City Ballet.