Otter Tail Corporation Executive and Leadership Team

May, 2026

Leadership Overview

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

Driven by a century of service, Otter Tail Corporation is dedicated to providing essential electricity and energy services, focusing on sustainable growth and reliable operations within the energy sector.

Leadership Roles at Otter Tail Corporation

  • President & Chief Executive Officer - Charles MacFarlane
  • Board Member, President and Chief Executive Officer - John Erickson
  • Vice President & Chief Financial Officer - Tyler Nelson
  • President, Varistar Plastics Segment Northern Pipe Products & Vinyltech Corporation - Terry Mitzel
  • President - Timothy Rogelstad
  • President, Varistar Manufacturing Otter Tail Corporation & Senior VP - John Abbott
  • 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 guides the organization's expansion within the energy sector, ensuring alignment with market demands and regulatory landscapes. This leadership role involves fostering innovation across all business units, particularly in electricity and energy services, to maintain a competitive edge. MacFarlane's oversight extends to financial performance and long-term sustainability initiatives, crucial for a company founded in 1907. The Chief Executive Officer's responsibilities include cultivating key stakeholder relationships and driving growth in the Fergus Falls, Minnesota-based enterprise. Charles MacFarlane ensures the company's commitment to providing reliable energy services remains paramount, adapting to evolving industry standards and customer needs.

    John Erickson - Board Member, President and Chief Executive Officer

    John Erickson, the Board Member, President and Chief Executive Officer at Otter Tail Corporation, contributes strategic direction and executive leadership. Erickson's dual role on the board and as Chief Executive Officer ensures a cohesive approach to governance and operational management within the energy services sector. This position involves setting the company's long-term objectives and overseeing the execution of strategies designed to enhance profitability and market presence. Erickson's leadership focuses on the core business of providing electricity and energy services, leveraging the company's historical foundation. The Chief Executive Officer's mandate includes driving operational efficiencies and exploring new avenues for growth in the energy market. John Erickson's influence shapes the company's trajectory, emphasizing reliability and service excellence for customers across its operational footprint.

    Tyler Nelson - Vice President & Chief Financial Officer

    Tyler Nelson, the Vice President & Chief Financial Officer at Otter Tail Corporation, manages the company's financial health and strategic fiscal planning. Nelson oversees all financial operations, including accounting, budgeting, and capital allocation, critical for a century-old energy services provider. This role involves developing financial strategies that support the company's growth objectives and ensure long-term stability in the electricity and energy markets. The Chief Financial Officer's responsibilities include managing investor relations and securing funding for operational expansion and infrastructure development. Tyler Nelson's expertise is vital in navigating the complex financial landscape of the energy sector, ensuring robust financial controls and reporting. Nelson drives financial discipline across the organization, supporting Otter Tail Corporation's mission to deliver reliable energy solutions.

    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 operations within specialized manufacturing segments. Mitzel oversees the strategic direction and performance of the plastics division, focusing on Northern Pipe Products and Vinyltech Corporation. This leadership involves driving innovation in manufacturing processes and product development to meet market demands for plastic-based solutions. The President's responsibilities include optimizing production efficiency, managing supply chains, and ensuring product quality across these subsidiaries. Terry Mitzel's focus is on expanding the market reach and profitability of the plastics segment, contributing to Otter Tail Corporation's diversified business interests. Mitzel ensures these manufacturing operations align with the broader corporate goals of growth and operational excellence.
    Terry Mitzel

    Timothy Rogelstad - President

    Timothy Rogelstad, the President at Otter Tail Corporation, leads key operational initiatives and strategic development. Rogelstad's role involves driving performance across designated business units, ensuring they contribute effectively to the company's overall objectives in the energy and manufacturing sectors. This leadership position requires a deep understanding of operational dynamics and market trends to foster growth and efficiency. The President's responsibilities include overseeing departmental functions, implementing strategic plans, and ensuring seamless collaboration between different segments of the corporation. Timothy Rogelstad's focus is on enhancing operational capabilities and achieving strategic milestones. Rogelstad champions initiatives that support Otter Tail Corporation's commitment to reliable service delivery and sustainable business practices.
    Timothy Rogelstad

    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, spearheads manufacturing operations and strategic oversight. Abbott directs the Varistar Manufacturing segment, focusing on enhancing production capabilities and driving operational efficiencies. This senior leadership role involves integrating manufacturing strategies with the company's broader corporate objectives, particularly in supporting energy and related services. The Senior VP's responsibilities include managing key manufacturing initiatives, optimizing resource allocation, and ensuring the highest standards of product quality and safety. John Abbott's leadership is crucial for the success of Otter Tail Corporation's manufacturing arm, contributing to its overall market position. Abbott drives innovation and operational excellence within the manufacturing division.

    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 critical energy operations and corporate strategy. Wahlund directs the Otter Tail Power Company, ensuring the reliable generation and distribution of electricity. This dual role involves overseeing the company's energy infrastructure and driving strategic initiatives for growth and sustainability within the power sector. The President's responsibilities include managing regulatory compliance, enhancing operational efficiency, and fostering innovation in energy production and delivery. Todd Wahlund's leadership is pivotal in maintaining Otter Tail Corporation's commitment to providing essential energy services. Wahlund guides the power company's operations to meet evolving energy demands and environmental standards.
    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 (Vice President & 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 (Vice President & 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, Vice President & Chief Financial Officer, President, Varistar Plastics Segment Northern Pipe Products & Vinyltech Corporation, President.