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headshot of Marc Castellucci

Marc Castellucci

Chief Operating Officer

Marc is a recognized leader for driving innovation, operational excellence and profitable growth. Marc joined NSM in 2018 to oversee enterprise-wide operations, strategic planning and product management. Prior to NSM, Marc was Vice President of Claims at American Family Insurance, where he led significant change across process and technology. Marc also held several senior roles at Liberty Mutual Insurance, where he was the primary architect of multiple innovation and operational improvement initiatives. Marc holds a B.A. in Political Science from Middlebury College, an M.B.A. from Penn State University and a J.D. from Temple University School of Law.