Greensfelder Hemker & Gale P.C. added John “Jack” H. Chassaing as an associate in its litigation practice group.Chassaing’s corporate litigation experience includes toxic tort, asbestos and insurance-related disputes. He has managed hundreds of matters for toxic tort and general litigation clients and has conducted and defended depositions, negotiated in mediations and drafted responsive pleadings and dispositive motions in asbestos-related litigation.Previously, he was an associate at Segal …