Harrell-Fish Executive and Leadership Team

October, 2026

Leadership Overview

Harrell-Fish has 4 executives leading key functions including financial strategy, operational oversight, service delivery, and corporate leadership.

Focused on delivering high-quality mechanical solutions, Harrell-Fish maintains a commitment to excellence across healthcare, higher education, and government sectors through precise HVAC and plumbing installations.

Leadership Roles at Harrell-Fish

  • Chief Financial Officer - Dave Conner
  • Chief Operating Officer - Stanley Klakulak
  • Chief Operating Officer, Service - Melissa Sechowski
  • President - Jeff Miller
  • Dave Conner - Chief Financial Officer

    Dave Conner, the Chief Financial Officer at Harrell-Fish, directs all fiscal planning and capital allocation strategies. Managing the financial health of the organization, the Chief Financial Officer ensures robust budgeting for large-scale mechanical projects across the Midwest. Conner oversees internal audits, risk management, and long-term investment planning to support the expansion of HVAC and plumbing services. By analyzing market trends in the construction sector, the Chief Financial Officer optimizes resource distribution to maintain competitive pricing for institutional clients. Dave Conner also collaborates with the Board to refine financial reporting standards and improve operational efficiency. Through rigorous oversight of cash flow and project profitability, the Chief Financial Officer secures the fiscal stability required for sustained growth. This leadership role demands constant vigilance over economic variables affecting the construction industry, ensuring that Harrell-Fish remains a leader in mechanical contracting.
    Dave Conner

    Stanley Klakulak - Chief Operating Officer

    Stanley Klakulak, the Chief Operating Officer at Harrell-Fish, directs the execution of complex mechanical installations and large-scale construction projects. Overseeing field operations and project management teams, the Chief Operating Officer ensures that every HVAC and plumbing deployment meets rigorous safety and quality standards. Klakulak coordinates with engineering departments to streamline workflows and reduce project timelines for healthcare and higher education facilities. By implementing advanced construction methodologies, the Chief Operating Officer drives productivity across all regional job sites. Stanley Klakulak also manages supply chain logistics to guarantee the timely delivery of critical materials for institutional clients. This role involves constant interaction with project managers to resolve technical challenges and maintain high performance levels. Through strategic oversight of daily operations, the Chief Operating Officer maintains the reputation of Harrell-Fish as a premier provider of mechanical contracting services.

    Melissa Sechowski - Chief Operating Officer, Service

    Melissa Sechowski, the Chief Operating Officer, Service at Harrell-Fish, directs the maintenance and repair divisions for commercial and institutional clients. Managing the service lifecycle of HVAC and plumbing systems, the Chief Operating Officer, Service ensures rapid response times and high-quality technical support for government facilities. Sechowski oversees the dispatch of field technicians and the implementation of preventative maintenance programs to extend the lifespan of critical infrastructure. By optimizing service workflows, the Chief Operating Officer, Service improves customer satisfaction and drives recurring revenue growth. Melissa Sechowski also coordinates with the sales team to expand service contracts across the regional market. This leadership role requires deep technical knowledge of mechanical systems and a focus on operational excellence. Through the management of service-level agreements, the Chief Operating Officer, Service maintains the reliability of mechanical assets for all Harrell-Fish partners.
    Melissa Sechowski

    Jeff Miller - President

    Jeff Miller, the President at Harrell-Fish, directs the overall corporate strategy and long-term vision for the organization. Leading the executive team, the President establishes the core objectives for growth within the healthcare, higher education, and government sectors. Miller oversees the alignment of departmental goals with the mission of providing superior mechanical contracting services. By fostering relationships with key stakeholders and industry partners, the President drives market expansion and brand development. Jeff Miller also evaluates new business opportunities and technological advancements to ensure the company remains at the forefront of the construction industry. This leadership role involves balancing immediate operational needs with future strategic investments. Through consistent communication with the Board and senior management, the President ensures that Harrell-Fish maintains its commitment to quality, safety, and professional integrity in every project undertaken.
    Jeff Miller

    Explore Leadership Teams in Construction Management

    Frequently Asked Questions Regarding Harrell-Fish Top Executives and Leadership Team

    Who leads Harrell-Fish?
    Harrell-Fish is led by Dave Conner (Chief Financial Officer), along with executives such as Stanley Klakulak (Chief Operating Officer) and Melissa Sechowski (Chief Operating Officer, Service).
    Who is part of Harrell-Fish’s executive team?
    The executive team of Harrell-Fish includes leaders such as Dave Conner (Chief Financial Officer), Stanley Klakulak (Chief Operating Officer), Melissa Sechowski (Chief Operating Officer, Service) and other senior executives.
    How many executives does Harrell-Fish have?
    Harrell-Fish has 4 executives leading key business areas.
    What roles are included in Harrell-Fish’s leadership team?
    The leadership team of Harrell-Fish includes roles such as Chief Financial Officer, Chief Operating Officer, Chief Operating Officer, Service, President.