John E. Green Executive and Leadership Team

Justin Kolbow, the Chief Financial Officer at John E. Green, manages the fiscal health and capital allocation strategies for the mechanical and fire suppression business units. Kolbow oversees financial reporting, budgeting, and cost control measures essential for large-scale construction projects. By analyzing market trends in the United States, the Chief Financial Officer identifies opportunities for revenue growth within the HVAC and water treatment sectors. Justin Kolbow collaborates with project managers to ensure accurate job costing and profitability across diverse service contracts. This leadership role requires rigorous oversight of financial risk and the maintenance of strong banking relationships to support ongoing operational needs. Through precise financial planning, the Chief Financial Officer secures the resources necessary for equipment procurement and facility maintenance. Kolbow executes strategic financial policies that stabilize cash flow, ensuring the company remains a leader in the competitive mechanical contracting landscape while delivering consistent value to stakeholders.

John Stelter, the Chief Financial Officer & Treasurer at John E. Green, directs corporate treasury functions and long-term financial planning for the mechanical contracting enterprise. Stelter manages liquidity, investment strategies, and debt obligations to ensure the financial stability of the organization. As the Chief Financial Officer & Treasurer, John Stelter monitors economic indicators across the United States to mitigate risks associated with material procurement and labor costs in the construction industry. This leadership role involves overseeing internal audit processes and ensuring compliance with financial regulations governing fire protection and process piping services. By optimizing capital structure, the Chief Financial Officer & Treasurer supports the expansion of service capabilities and the modernization of fabrication facilities. Stelter coordinates with executive leadership to align financial goals with the broader mission of delivering high-quality mechanical systems. Through disciplined fiscal management, the Chief Financial Officer & Treasurer maintains the financial foundation required for sustained operational excellence and market leadership.

Michael Green, the President at John E. Green, directs the overall strategic vision and operational execution for the mechanical, fire suppression, and service contracting business. Green oversees the performance of all departments, ensuring alignment with the company's commitment to quality and safety in the United States construction sector. By fostering a culture of technical excellence, the President drives the successful delivery of complex HVAC, plumbing, and water treatment projects. Michael Green manages relationships with key clients and industry partners to expand the company's market presence. This leadership role involves setting long-term goals for innovation in fabrication and installation techniques. Through active engagement with the executive team, the President ensures that operational resources remain focused on high-impact projects. Green executes business strategies that prioritize efficiency and client satisfaction, maintaining the reputation of the firm as a premier provider of mechanical systems and fire protection solutions.

Kirk Fischer, the Chief Information Officer at John E. Green, directs the digital infrastructure and technological framework supporting complex mechanical contracting operations. Fischer architects secure data systems to streamline the fabrication and installation of HVAC and plumbing projects across the United States. By integrating advanced software solutions, the Chief Information Officer optimizes project management workflows and enhances communication between field teams and corporate headquarters. Kirk Fischer manages cybersecurity protocols to protect sensitive engineering schematics and client data. This leadership role involves evaluating emerging construction technologies to maintain a competitive edge in the mechanical services industry. Through the implementation of robust IT strategies, the Chief Information Officer ensures seamless operational continuity for all fire protection and process piping divisions. Fischer drives digital transformation initiatives that improve overall project efficiency and resource allocation, ultimately supporting the long-term growth objectives of the organization.