Parker Weil is vice chair of investment banking at Cowen. He provides a lively excursion through three decades in the most successful echelons of M&A, beginning with his tenure as a junior banker during the “Liar’s Poker” era at Salomon. Parker views industry trends leading to his current role as vice chair and head of the group that encompasses sponsor coverage at Cowen. Andy and Charlie get his perspective on transaction activity involving investment banks, drawing on Cowen’s multiple and the announced sale of Cowen itself to TD Bank. One highlight: What is the threshold for meaningful enterprise value in an M&A firm?