Rona Gregorio, based in Zurich, Zurich, Switzerland, is currently a Internal Communications Manager at Proman, bringing experience from previous roles at Hitachi Energy and Abb. Rona Gregorio holds a Flagler School of Business. With a robust skill set that includes Unisys, Collateral, Product Segmentation, Schedules, Crisis and more, Rona Gregorio contributes valuable insights to the industry. Rona Gregorio has 2 emails on RocketReach.