Otter Tail Corporation Executive and Leadership Team

June, 2026

Leadership Overview

Otter Tail Corporation has 7 executives leading key functions including strategy, finance, manufacturing, and energy operations.

Driven by a legacy of service, Otter Tail Corporation is dedicated to providing essential electricity and energy services, fostering a leadership philosophy centered on operational excellence and sustainable market impact.

Leadership Roles at Otter Tail Corporation

  • President & Chief Executive Officer - Charles MacFarlane
  • Board Member, President and Chief Executive Officer - John Erickson
  • Chief Financial Officer - Tyler Nelson
  • President, Varistar Manufacturing Otter Tail Corporation & Senior VP - John Abbott
  • President - Timothy Rogelstad
  • President, Varistar Plastics Segment Northern Pipe Products & Vinyltech Corporation - Terry Mitzel
  • Senior VP (Otter Tail Corporation) & President (Otter Tail Power Company) - Todd Wahlund
  • Charles MacFarlane - President & Chief Executive Officer

    Charles MacFarlane, the President & Chief Executive Officer at Otter Tail Corporation, directs the company's overall strategic vision and operational execution. MacFarlane oversees all major business units, ensuring alignment with the company's mission to provide reliable electricity and energy services. This leadership role involves guiding corporate development, managing investor relations, and setting the long-term direction for growth and sustainability. By focusing on efficient resource allocation and market expansion, Charles MacFarlane drives the company's performance across its energy and manufacturing segments. The Chief Executive Officer's mandate includes fostering innovation and ensuring regulatory compliance across all operational territories. MacFarlane's strategic oversight ensures the company maintains its commitment to serving its customer base effectively while pursuing new opportunities in the evolving energy landscape. This executive's responsibilities extend to championing the company's core values and operational integrity.

    John Erickson - Board Member, President and Chief Executive Officer

    John Erickson, the Board Member, President and Chief Executive Officer at Otter Tail Corporation, holds a dual capacity, influencing both governance and executive leadership. Erickson's role on the Board provides strategic oversight and ensures fiduciary responsibility, while as President and Chief Executive Officer, Erickson guides the company's day-to-day operations and strategic initiatives. This leadership position involves setting corporate objectives, managing executive teams, and ensuring the company's financial health and operational efficiency. Erickson's focus includes driving innovation in energy services and manufacturing, aligning business practices with market demands and regulatory frameworks. The Chief Executive Officer's responsibilities encompass fostering a culture of accountability and performance across the organization. John Erickson's comprehensive leadership ensures Otter Tail Corporation effectively navigates the complexities of the energy sector and maintains its position as a key provider of essential services. Erickson's influence spans strategic planning and operational management.

    Tyler Nelson - Chief Financial Officer

    Tyler Nelson, the Chief Financial Officer at Otter Tail Corporation, manages the company's financial strategy and fiscal operations. Nelson oversees all aspects of financial planning, budgeting, and reporting, ensuring the company's economic stability and growth. This critical role involves managing capital allocation, securing financing, and optimizing financial performance across Otter Tail Corporation's diverse business segments, including energy and manufacturing. The Chief Financial Officer's responsibilities extend to risk management, investor relations, and ensuring compliance with financial regulations. By implementing robust financial controls and driving fiscal discipline, Tyler Nelson supports the company's long-term objectives and operational efficiency. Nelson's expertise is vital in navigating market fluctuations and capital investment decisions, directly impacting the company's ability to provide reliable energy services and expand its manufacturing capabilities. The Chief Financial Officer's strategic financial guidance is integral to Otter Tail Corporation's sustained success.

    John Abbott - President, Varistar Manufacturing Otter Tail Corporation & Senior VP

    John Abbott, the President, Varistar Manufacturing Otter Tail Corporation & Senior VP at Otter Tail Corporation, directs the strategic operations and growth of the company's manufacturing division. Abbott oversees the Varistar manufacturing segment, focusing on enhancing production efficiency, product quality, and market competitiveness. This senior leadership position involves managing multiple manufacturing facilities and driving innovation in product development and operational processes. The President's responsibilities include ensuring seamless integration of manufacturing activities with the broader corporate strategy of Otter Tail Corporation. John Abbott's leadership is crucial for expanding the manufacturing footprint and optimizing supply chain logistics. Abbott's focus on operational excellence and strategic market positioning strengthens the company's overall business portfolio. The Senior VP's oversight ensures that Varistar Manufacturing contributes significantly to Otter Tail Corporation's revenue and market presence, driving value through advanced manufacturing techniques and customer-centric solutions.

    Timothy Rogelstad - President

    Timothy Rogelstad, the President at Otter Tail Corporation, leads key operational segments, driving performance and strategic initiatives. Rogelstad's executive role involves overseeing specific business units, ensuring their alignment with the company's overarching goals in energy and manufacturing. This leadership position focuses on enhancing operational efficiency, fostering innovation, and achieving targeted business outcomes. The President's responsibilities include managing departmental functions, guiding strategic planning within assigned areas, and ensuring the effective execution of corporate directives. Timothy Rogelstad's leadership is instrumental in optimizing resource utilization and driving growth across the company's diverse operations. Rogelstad's strategic direction supports Otter Tail Corporation's commitment to providing reliable services and expanding its market reach. The President's focus on operational excellence and strategic development contributes significantly to the company's sustained success and market leadership.
    Timothy Rogelstad

    Terry Mitzel - President, Varistar Plastics Segment Northern Pipe Products & Vinyltech Corporation

    Terry Mitzel, the President, Varistar Plastics Segment Northern Pipe Products & Vinyltech Corporation at Otter Tail Corporation, directs the specialized operations within the plastics manufacturing sector. Mitzel oversees the strategic direction and operational performance of Northern Pipe Products and Vinyltech Corporation, focusing on product innovation and market expansion within the plastics segment. This leadership role involves managing production, sales, and distribution channels to ensure competitive positioning and customer satisfaction. The President's responsibilities include driving efficiency improvements, implementing advanced manufacturing technologies, and fostering a culture of quality and safety. Terry Mitzel's expertise is critical in navigating the specific market dynamics of the plastics industry and contributing to Otter Tail Corporation's diversified manufacturing portfolio. Mitzel's strategic oversight ensures these entities achieve their growth objectives and uphold the company's reputation for excellence. The President's focus on specialized plastics manufacturing strengthens Otter Tail Corporation's overall industrial capabilities.
    Terry Mitzel

    Todd Wahlund - Senior VP (Otter Tail Corporation) & President (Otter Tail Power Company)

    Todd Wahlund, the Senior VP (Otter Tail Corporation) & President (Otter Tail Power Company) at Otter Tail Corporation, leads the company's primary energy generation and distribution arm. Wahlund directs the strategic operations of Otter Tail Power Company, ensuring the reliable and efficient delivery of electricity to its customer base. This executive role involves overseeing power generation, transmission, and distribution infrastructure, as well as managing regulatory affairs and customer service initiatives. The President's responsibilities include driving investments in renewable energy, enhancing grid modernization, and maintaining operational integrity across the power utility. Todd Wahlund's leadership is pivotal in navigating the complexities of the energy sector and ensuring sustainable energy solutions. Wahlund's strategic vision supports Otter Tail Corporation's commitment to serving communities with essential energy services. The Senior VP's comprehensive management of the power company solidifies its role as a cornerstone of Otter Tail Corporation's business.
    Todd Wahlund

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    Frequently Asked Questions Regarding Otter Tail Corporation Top Executives and Leadership Team

    Who leads Otter Tail Corporation?
    Otter Tail Corporation is led by Charles MacFarlane (President & Chief Executive Officer), along with executives such as John Erickson (Board Member, President and Chief Executive Officer) and Tyler Nelson (Chief Financial Officer).
    Who is part of Otter Tail Corporation’s executive team?
    The executive team of Otter Tail Corporation includes leaders such as Charles MacFarlane (President & Chief Executive Officer), John Erickson (Board Member, President and Chief Executive Officer), Tyler Nelson (Chief Financial Officer) and other senior executives.
    How many executives does Otter Tail Corporation have?
    Otter Tail Corporation has 7 executives leading key business areas.
    What roles are included in Otter Tail Corporation’s leadership team?
    The leadership team of Otter Tail Corporation includes roles such as President & Chief Executive Officer, Board Member, President and Chief Executive Officer, Chief Financial Officer, President, Varistar Manufacturing Otter Tail Corporation & Senior VP, President.