IES Holdings Executive and Leadership Team

July, 2026

Leadership Overview

IES Holdings has 4 executives leading key functions including strategy, finance, communications, and commercial/industrial operations.

Driven by a commitment to integrated solutions, IES Holdings focuses on delivering essential electrical and technology systems, underpinning critical infrastructure across diverse markets with a philosophy of operational excellence and client-centric service.

Leadership Roles at IES Holdings

  • Chief Executive Officer & President - Matthew Simmes
  • Chief Financial Officer - David Miller
  • Division President, Communications - Donald Fishstein
  • President. IES Commercial and Industrial - John Werner
  • Matthew Simmes - Chief Executive Officer & President

    Matthew Simmes, the Chief Executive Officer & President at IES Holdings, directs the overarching corporate strategy and operational execution. Simmes guides the company's expansion in integrated electrical and technology systems installation and infrastructure services across the United States. Overseeing all business segments, Simmes ensures alignment with market demands and drives innovation in service delivery. This leadership role involves fostering strategic partnerships and optimizing resource allocation to enhance profitability and market share. By championing a culture of safety and efficiency, Matthew Simmes solidifies IES Holdings' position as a leader in its industry. The Chief Executive Officer & President's focus remains on sustainable growth and maximizing shareholder value through disciplined execution and forward-thinking initiatives.
    Matthew Simmes

    David Miller - Chief Financial Officer

    David Miller, the Chief Financial Officer at IES Holdings, manages all financial operations and strategic financial planning. Miller oversees accounting, treasury, tax, and investor relations, ensuring robust financial health and compliance. This role is critical in supporting the company's growth initiatives by securing capital and optimizing financial structures. Overseeing budgeting and forecasting processes, the Chief Financial Officer provides essential financial insights to guide executive decision-making. By meticulously managing financial resources, David Miller ensures the efficient allocation of capital across the Communications and Residential segments. Miller's expertise is vital in navigating complex financial markets and driving long-term economic stability for IES Holdings, directly impacting revenue growth and operational efficiency.

    Donald Fishstein - Division President, Communications

    Donald Fishstein, the Division President, Communications at IES Holdings, leads the strategic direction and operational performance of the Communications segment. Fishstein directs the design, installation, and maintenance of integrated network infrastructure for data centers and various commercial buildings. This leadership involves expanding services for co-location, managed hosting, and high-tech manufacturing facilities. Overseeing the development and implementation of advanced audio/visual, fire, and wireless access systems, Donald Fishstein ensures cutting-edge solutions for clients. Fishstein's responsibilities include driving revenue growth and operational excellence within this specialized division. By focusing on technological innovation and client satisfaction, Donald Fishstein strengthens IES Holdings' market presence in the communications infrastructure sector.

    John Werner - President. IES Commercial and Industrial

    John Werner, the President. IES Commercial and Industrial at IES Holdings, spearheads the operations and strategic growth of the Commercial and Industrial division. Werner directs the delivery of comprehensive electrical installations and integrated technology solutions for a wide array of commercial and industrial clients. This leadership encompasses overseeing project execution, ensuring adherence to safety standards, and fostering client relationships across diverse sectors. By driving operational efficiency and service quality, John Werner enhances the division's competitive edge. Werner's focus is on expanding market reach and developing innovative installation techniques. Through strategic leadership, John Werner ensures the division consistently meets and exceeds client expectations, contributing significantly to IES Holdings' overall success.
    John Werner

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    Frequently Asked Questions Regarding IES Holdings Top Executives and Leadership Team

    Who leads IES Holdings?
    IES Holdings is led by Matthew Simmes (Chief Executive Officer & President), along with executives such as David Miller (Chief Financial Officer) and Donald Fishstein (Division President, Communications).
    Who is part of IES Holdings’s executive team?
    The executive team of IES Holdings includes leaders such as Matthew Simmes (Chief Executive Officer & President), David Miller (Chief Financial Officer), Donald Fishstein (Division President, Communications) and other senior executives.
    How many executives does IES Holdings have?
    IES Holdings has 4 executives leading key business areas.
    What roles are included in IES Holdings’s leadership team?
    The leadership team of IES Holdings includes roles such as Chief Executive Officer & President, Chief Financial Officer, Division President, Communications, President. IES Commercial and Industrial.