Otter Tail Corporation Executive and Leadership Team

October, 2026

Leadership Overview

Otter Tail Corporation has 6 executives leading key functions including corporate strategy, energy utility operations, manufacturing oversight, and industrial production management.

Committed to reliable energy delivery, Otter Tail Corporation drives regional economic growth through sustainable utility services and diversified manufacturing excellence across the United States.

Leadership Roles at Otter Tail Corporation

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

    John Erickson, the Board Member, President and Chief Executive Officer at Otter Tail Corporation, directs high-level corporate governance and long-term strategic planning. This leadership role involves constant collaboration with the Board to ensure alignment between energy service delivery and shareholder value. By overseeing the entire organizational structure, Erickson maintains operational integrity across all utility and manufacturing divisions. The Chief Executive Officer monitors market trends to identify expansion opportunities within the energy sector. John Erickson also manages the integration of sustainable practices into the core business model, ensuring compliance with regulatory standards. Through rigorous oversight of capital allocation, the President secures the financial health of the organization. This executive position requires balancing immediate operational demands with future-focused innovation, ultimately positioning the company as a leader in the regional energy market while maintaining consistent performance standards across all business units.

    Charles MacFarlane - President & Chief Executive Officer

    Charles MacFarlane, the President & Chief Executive Officer at Otter Tail Corporation, executes the primary vision for energy infrastructure development and utility service reliability. This role focuses on optimizing the generation and distribution of electricity to meet the evolving needs of the customer base. By coordinating with senior leadership, MacFarlane ensures that operational workflows remain efficient and cost-effective. The President & Chief Executive Officer manages the company's broader market impact by fostering relationships with key stakeholders and industry partners. Charles MacFarlane also drives the implementation of advanced energy technologies to enhance grid stability. This leadership function involves analyzing complex data sets to inform strategic decisions regarding resource management. Through a focus on operational excellence, the Chief Executive Officer maintains the company's reputation for providing dependable energy solutions, ensuring that all corporate objectives align with the long-term mission of delivering consistent value to the communities served.

    Timothy Rogelstad - President

    Timothy Rogelstad, the President at Otter Tail Corporation, directs the operational execution of utility services and infrastructure maintenance. This role involves managing the day-to-day performance of energy delivery systems to ensure maximum uptime and service quality. By overseeing technical teams, Rogelstad ensures that all grid operations meet safety and efficiency benchmarks. The President coordinates with other executive leaders to align utility output with the broader corporate strategy. Timothy Rogelstad also manages the deployment of capital projects aimed at modernizing energy assets. This leadership position requires a deep understanding of regional energy demands and the ability to adapt to changing environmental regulations. Through the optimization of internal processes, the President enhances the overall reliability of the energy network. Rogelstad maintains a focus on operational scalability, ensuring that the company remains well-positioned to support the growing energy requirements of the regional market while upholding strict safety standards.
    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, oversees the strategic direction of the manufacturing portfolio. This role involves driving growth within the industrial sector by optimizing production capabilities and supply chain logistics. By managing the manufacturing division, Abbott ensures that product quality meets rigorous industry standards. The President, Varistar Manufacturing Otter Tail Corporation & Senior VP collaborates with the executive team to integrate manufacturing goals with the company's overall energy-focused business model. John Abbott also directs the expansion of market reach for industrial products, identifying new opportunities for revenue generation. This leadership function requires balancing production efficiency with cost management to maintain competitive margins. Through the implementation of lean manufacturing principles, the Senior VP enhances operational output. Abbott focuses on scaling production capacity to meet the diverse needs of the industrial market, ensuring that the manufacturing arm contributes significantly to the company's financial stability.

    Terry Mitzel - President, Northern Pipe Products & Vinyltech

    Terry Mitzel, the President, Northern Pipe Products & Vinyltech at Otter Tail Corporation, directs the specialized manufacturing operations for pipe and vinyl products. This role involves overseeing the production facilities to ensure high-quality output for infrastructure and construction markets. By managing the operational workflows of these specific business units, Mitzel ensures that manufacturing processes remain efficient and scalable. The President, Northern Pipe Products & Vinyltech collaborates with corporate leadership to align production targets with the company's broader industrial strategy. Terry Mitzel also drives the development of new product lines to meet the specific demands of the construction sector. This leadership position requires a focus on supply chain optimization and material sourcing to maintain cost-effectiveness. Through the management of these manufacturing assets, the President contributes to the overall diversification of the company's revenue streams. Mitzel ensures that production remains consistent with the company's commitment to quality and reliability in the industrial market.
    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, directs the utility-specific operations and regional energy distribution strategies. This role involves managing the power generation assets to ensure reliable electricity supply for the customer base. By overseeing the utility division, Wahlund ensures that all energy services align with regulatory requirements and corporate performance goals. The Senior VP (Otter Tail Corporation) & President (Otter Tail Power Company) collaborates with the executive team to implement grid modernization initiatives. Todd Wahlund also manages the financial performance of the utility arm, focusing on cost-effective energy delivery. This leadership function requires a deep understanding of regional energy markets and the ability to navigate complex operational challenges. Through the strategic management of power assets, the President enhances the overall reliability of the energy network. Wahlund ensures that the utility division remains a cornerstone of the company's commitment to providing essential energy services.
    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 John Erickson (Board Member, President and Chief Executive Officer), along with executives such as Charles MacFarlane (President & Chief Executive Officer) and Timothy Rogelstad (President).
    Who is part of Otter Tail Corporation’s executive team?
    The executive team of Otter Tail Corporation includes leaders such as John Erickson (Board Member, President and Chief Executive Officer), Charles MacFarlane (President & Chief Executive Officer), Timothy Rogelstad (President) and other senior executives.
    How many executives does Otter Tail Corporation have?
    Otter Tail Corporation has 6 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 Board Member, President and Chief Executive Officer, President & Chief Executive Officer, President, President, Varistar Manufacturing Otter Tail Corporation & Senior VP, President, Northern Pipe Products & Vinyltech.