Joining the organizations C-Suite, Miller will focus on streamlining processes and developing unified strategies to support Fidelity’s long-term growth objectives

HUNT VALLEY, MD (January 15, 2026)Fidelity Building Services Group (Fidelity), one of the nation’s leading providers of HVAC/Mechanical Services, Building Automation, Emergency Power, and Energy Solutions, today announces the addition of Mark Miller as its Chief Integration Officer.

In this role, Miller will develop strategies related to new company integrations across Fidelity, with a focus on processes, Information Technology (IT) systems, and Enterprise Resource Planning (ERP) technology. He will work to strengthen collaboration across business units and support unified approaches that advance Fidelity’s long-term growth objectives. Miller brings more than 30 years of executive leadership experience spanning multiple industries. Throughout his career, he has successfully aligned functional teams with corporate strategy and guided organizations through periods of significant change, particularly in merger and acquisition environments.

Prior to joining Fidelity, Miller served as an executive and senior advisor at Seal for Life Industries, where he integrated multiple acquired companies and helped establish global management and planning frameworks. He also held executive leadership roles at Milacron, providing senior-level support to the CEO, Executive Team, and Board of Directors.

“Mark’s experience in enterprise integration and organizational alignment will be invaluable as Fidelity continues our rapid growth and expansion,” says Dave Lanphar, LEED AP, CEO/Partner of Fidelity. “His ability to bring teams together and build scalable, unified foundations will have a lasting impact on our organization. We look forward to his leadership and the positive influence he will have on Fidelity.”

Miller holds a Doctor of Philosophy (PhD) in Business with a specialization in Information Technology Management from Capella University. He also serves as a Member of the Board of Directors and Founding Secretary of the United States Defense Supply Chain Protection Corporation, a nonprofit organization dedicated to strengthening and protecting critical defense supply chains.

About Fidelity Building Services Group

Fidelity Building Services Group (Fidelity) is one of the nation’s leading providers of HVAC/Mechanical Services, Building Automation, Emergency Power, and Energy Solutions serving the Commercial/Industrial, Mission-Critical, Government, Education, and Healthcare markets. Fidelity’s leaders are some of the most highly regarded individuals in the service, construction, and engineering communities. Collectively, we share a commitment to advancing the cause of building energy efficiencies, sustainable energy solutions, and service excellence.

Founded in 1945 as a full-service mechanical engineering, contracting, and service company, Fidelity helped introduce air conditioning and process cooling to a new marketplace. Today, through strategic acquisitions and partnerships, Fidelity has expanded our geographic footprint to more than 75 locations throughout the United States. With over 80 years of excellence and 3,000 Team Members, Fidelity remains obsessed with delivering Proactive, World-Class Service.