Nationwide Boiler Appoints John McDonough As Chief Operating Officer

FREMONT, Calif. - Rezul -- Nationwide Boiler Inc., supplier of industrial rental boilers, new and used in-stock package boilers, emissions control equipment and custom PLC control systems, is pleased to announce the addition of John McDonough as Chief Operating Officer (COO), effective September 14, 2026. Based in the company's Fremont, California headquarters, McDonough will work closely with teams across the organization to support operational excellence, strategic growth, and continued customer success.

John brings an exceptional combination of leadership experience, operational expertise, and a passion for developing high-performing teams. He served 25 years as U.S. Marine infantry officer, where he led complex operations and built strong organizations. Most recently, he served as Chief Operating Officer within the energy sector, successfully driving operational excellence, organizational growth, and strategic initiatives. As COO, McDonough will oversee day-to-day operations across Nationwide Boiler while working closely with the leadership team to strengthen organizational effectiveness, enhance company capabilities, and support long-term growth objectives. His focus on accountability, process improvement, and team development will help ensure Nationwide Boiler continues to deliver the responsive service and technical expertise customers have come to expect.

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"We are excited to welcome John to the Nationwide Boiler team," said Jim Lieskovan, President of Nationwide Boiler. "His unique combination of military leadership, operational expertise, and proven track record of building strong teams makes him an outstanding fit for our organization. As we continue to grow and evolve, John's experience and perspective will help us strengthen our operations, enhance our capabilities, and position Nationwide Boiler for continued success."

With headquarters in Fremont, California, Nationwide Boiler has been a leading supplier of industrial rental and package boilers for nearly sixty years. The company provides one of the largest rental boiler fleets in the world, along with new and reconditioned package boilers, emissions control equipment, and custom PLC-based control systems. Through a commitment to technical expertise, innovation, and real customer service, Nationwide Boiler supports industrial customers throughout North America and abroad. Visit https://www.nationwideboiler.com to learn more.