P.J. Mechanical Executive and Leadership Team

August, 2026

Leadership Overview

P.J. Mechanical has 4 executives leading key functions including strategy, operations, technology, and finance.

Committed to excellence in the sheet metal industry, P.J. Mechanical delivers high-quality components for residential and commercial infrastructure while fostering a culture of collaborative engineering and long-term reliability.

Leadership Roles at P.J. Mechanical

  • President & Chief Executive Officer - Peter Pappas
  • Chief Financial Officer - Constantine Demas
  • Chief Operating Officer - James Pappas
  • Chief Technology Officer - Sean Negron
  • Peter Pappas - President & Chief Executive Officer

    Peter Pappas, the President & Chief Executive Officer at P.J. Mechanical, directs the overarching strategic vision for the organization. Overseeing the expansion of sheet metal manufacturing capabilities, the President & Chief Executive Officer ensures alignment between production output and the evolving demands of the construction sector. This leadership role involves managing high-level partnerships and driving the company toward sustained market dominance across North American commercial projects. By prioritizing operational efficiency and quality control, Peter Pappas maintains the reputation of the firm as a premier industry institution. The President & Chief Executive Officer coordinates with the board to secure resources for facility upgrades and technological integration. Through rigorous oversight of corporate objectives, the President & Chief Executive Officer guarantees that all manufacturing processes meet stringent safety standards while supporting the broader mission of providing vital building components for modern architectural developments.

    Constantine Demas - Chief Financial Officer

    Constantine Demas, the Chief Financial Officer at P.J. Mechanical, manages the fiscal health and long-term financial planning of the organization. Overseeing capital investments and budgetary allocations, the Chief Financial Officer ensures that the company maintains the liquidity required to support ongoing manufacturing operations and facility expansions. This leadership role involves analyzing market risks and identifying opportunities for cost-effective growth within the construction industry. By providing accurate financial reporting, Constantine Demas enables the executive team to make informed decisions regarding resource distribution and project bidding. The Chief Financial Officer coordinates with external auditors and stakeholders to uphold transparency and fiscal responsibility. Through the development of robust financial models, the Chief Financial Officer secures the economic stability of the firm. This strategic management of assets allows the company to continue providing high-quality sheet metal components while navigating the complexities of the broader construction market.
    Constantine Demas

    James Pappas - Chief Operating Officer

    James Pappas, the Chief Operating Officer at P.J. Mechanical, manages the daily execution of manufacturing workflows and supply chain logistics. Overseeing the production floor, the Chief Operating Officer optimizes resource allocation to ensure the timely delivery of sheet metal products for large-scale residential and commercial construction sites. This leadership role requires constant coordination with project managers to maintain project timelines and quality benchmarks. By streamlining internal processes, James Pappas reduces waste and enhances the overall output capacity of the facility. The Chief Operating Officer monitors regional market trends to adjust production schedules according to shifting demand. Through the implementation of lean manufacturing principles, the Chief Operating Officer drives operational excellence across the entire organization. This focus on efficiency allows the company to remain competitive while providing essential structural components that serve as the backbone for diverse building projects throughout the country.
    James Pappas

    Sean Negron - Chief Technology Officer

    Sean Negron, the Chief Technology Officer at P.J. Mechanical, architects the digital infrastructure and advanced manufacturing systems required for precision sheet metal fabrication. Overseeing the integration of automated machinery and design software, the Chief Technology Officer ensures that the company utilizes cutting-edge tools to improve product accuracy. This leadership role involves evaluating new technologies that enhance the durability and performance of building components. By modernizing technical workflows, Sean Negron supports the engineering team in meeting complex architectural specifications for commercial developments. The Chief Technology Officer collaborates with operations to implement data-driven solutions that track production metrics in real-time. Through the continuous assessment of industry innovations, the Chief Technology Officer maintains the technological edge necessary for the firm to lead the market. This commitment to technical advancement ensures that all manufactured goods meet the highest standards of quality and structural integrity for every client project.

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    Frequently Asked Questions Regarding P.J. Mechanical Top Executives and Leadership Team

    Who leads P.J. Mechanical?
    P.J. Mechanical is led by Peter Pappas (President & Chief Executive Officer), along with executives such as Constantine Demas (Chief Financial Officer) and James Pappas (Chief Operating Officer).
    Who is part of P.J. Mechanical’s executive team?
    The executive team of P.J. Mechanical includes leaders such as Peter Pappas (President & Chief Executive Officer), Constantine Demas (Chief Financial Officer), James Pappas (Chief Operating Officer) and other senior executives.
    How many executives does P.J. Mechanical have?
    P.J. Mechanical has 4 executives leading key business areas.
    What roles are included in P.J. Mechanical’s leadership team?
    The leadership team of P.J. Mechanical includes roles such as President & Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Chief Technology Officer.