HOUSTON--(BUSINESS WIRE)--UBS Wealth Management US today announced that William (Bill) Frisco has joined the firm as a Private Wealth Advisor and Senior Portfolio Manager in Houston. He is responsible for managing approximately $700 million in assets for ultra-high net worth individuals and families. “We are thrilled to welcome Bill to the UBS family,” said Craig Vandegrift, Senior Market Director for Houston at UBS. “His vast experience and unwavering dedication to client education are invalua