DLA Piper added Joydeep Dasmunshi as partner in the firm’s private equity practice in Chicago.Dasmunshi advises private equity funds and their portfolio companies in complex business transactions such as mergers and acquisitions, joint ventures, recapitalizations, restructurings, executive compensation and incentive equity matters, and capital investments.• Polsinelli added Gregory Leighton as a shareholder and Bari Rascoe as an associate.Leighton has experience counseling clients on domestic and international …