National Fire & Safety announced that Chris Gannon has been appointed Chief Executive Officer, effective immediately. Gannon replaces Greg Londo, who has stepped down to pursue other interests and remains an investor in the business. As CEO, Gannon will oversee National Fire & Safety’s strategy and operations, with a focus on driving the continued expansion of the company’s national footprint through both organic growth initiatives and additional strategic acquisitions. Gannon’s career has focused on building and growing world-class, customer-centric companies in industries that are driven by extensive regulatory requirements. His diverse background includes leadership roles at service, engineering and technology companies serving customers within the industrial, commercial, medical, municipal and residential spaces. Most recently, Gannon served as President and CEO of Energy Recovery, Inc.