NEW YORK--(BUSINESS WIRE)--Blackstone (NYSE: BX) announced today that Joseph Cassanelli, former Co-Head of Lazardās U.S. Financial Institutions Group, has joined Blackstone Tactical Opportunities (āTac Oppsā) as a Senior Managing Director. Mr. Cassanelli will be based in New York and serve as an investment professional within Tac Opps focused on the financial services sector. Chris James, Global Head of Tac Opps, said: āJoeās deep expertise and relationships in the financial services sector mak