Otter Tail Corporation Executive and Leadership Team

August, 2026

Leadership Overview

Otter Tail Corporation has 5 executives leading key functions including corporate strategy, utility operations, manufacturing, and infrastructure development.

Focused on delivering reliable energy solutions, Otter Tail Corporation maintains a commitment to operational excellence and sustainable growth across the Midwest region through its diverse portfolio of utility and manufacturing businesses.

Leadership Roles at Otter Tail Corporation

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

    Charles MacFarlane, the President & Chief Executive Officer at Otter Tail Corporation, directs the overarching strategic vision for the entire energy enterprise. Overseeing long-term capital allocation and shareholder value creation, the President & Chief Executive Officer ensures alignment between utility operations and manufacturing divisions. This leadership role involves navigating complex regulatory environments while driving innovation in power generation and distribution. By fostering a culture of operational efficiency, Charles MacFarlane directly impacts the company's ability to provide reliable electricity to customers across the Midwest. MacFarlane maintains constant communication with the Board to refine corporate objectives and mitigate industry risks. Through rigorous oversight of financial performance and market expansion, the President & Chief Executive Officer secures the stability of the organization. Ultimately, MacFarlane positions the corporation for sustained success in a rapidly evolving energy landscape.

    Timothy Rogelstad - President

    Timothy Rogelstad, the President at Otter Tail Corporation, manages the day-to-day operational execution of the company's core business units. Overseeing internal processes and cross-departmental collaboration, the President ensures that all energy service delivery meets strict safety and reliability standards. This leadership role involves optimizing resource allocation to support the broader corporate mission of providing consistent power. By streamlining operational workflows, Timothy Rogelstad directly impacts the efficiency of the organization. Rogelstad coordinates with other senior leaders to implement strategic initiatives that enhance service quality and customer satisfaction. Through the management of internal teams, the President drives continuous improvement in operational performance. Ultimately, Rogelstad maintains the high standards of service that define the company's reputation in the energy sector, ensuring that all regional operations remain aligned with the long-term goals established by the executive team.
    Timothy Rogelstad

    Terry Mitzel - President, Northern Pipe Products & Vinyltech

    Terry Mitzel, the President, Northern Pipe Products & Vinyltech at Otter Tail Corporation, oversees the manufacturing and distribution of critical infrastructure components. Managing the production facilities and supply chain logistics, the President, Northern Pipe Products & Vinyltech ensures that high-quality piping solutions reach markets across North America. This leadership role involves driving revenue growth through product innovation and market expansion within the manufacturing sector. By optimizing manufacturing output and cost structures, Terry Mitzel directly impacts the profitability of the company's industrial segment. Mitzel collaborates with corporate leadership to integrate manufacturing goals with the broader energy strategy. Through the oversight of production teams, the President, Northern Pipe Products & Vinyltech maintains a competitive edge in the infrastructure market. Ultimately, Mitzel secures the operational success of these manufacturing units, contributing significantly to the overall financial health and diversification of the corporation.
    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. Overseeing the power generation assets and grid reliability, the Senior VP (Otter Tail Corporation) & President (Otter Tail Power Company) ensures that electricity reaches residential and commercial customers efficiently. This leadership role involves managing regulatory compliance and environmental stewardship within the utility sector. By implementing advanced grid technologies, Todd Wahlund directly impacts the reliability and sustainability of the energy supply. Wahlund coordinates with the executive team to align utility performance with corporate financial targets. Through the oversight of regional power operations, the Senior VP (Otter Tail Corporation) & President (Otter Tail Power Company) maintains the company's commitment to energy excellence. Ultimately, Wahlund drives the growth and stability of the utility business, ensuring consistent service delivery across the service territory.
    Todd Wahlund

    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, leads the strategic development and operational oversight of the manufacturing portfolio. Managing diverse industrial business units, the President, Varistar Manufacturing Otter Tail Corporation & Senior VP ensures that manufacturing operations remain agile and responsive to market demands. This leadership role involves identifying growth opportunities and optimizing the performance of various manufacturing subsidiaries. By driving operational excellence and cost-effective production, John Abbott directly impacts the overall profitability of the manufacturing division. Abbott collaborates with other senior executives to ensure that industrial activities support the company's long-term financial objectives. Through the management of manufacturing teams, the President, Varistar Manufacturing Otter Tail Corporation & Senior VP fosters innovation and efficiency. Ultimately, Abbott secures the competitive position of the manufacturing segment, contributing to the diversified strength of the entire corporate organization.

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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 Timothy Rogelstad (President) and Terry Mitzel (President, Northern Pipe Products & Vinyltech).
    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), Timothy Rogelstad (President), Terry Mitzel (President, Northern Pipe Products & Vinyltech) and other senior executives.
    How many executives does Otter Tail Corporation have?
    Otter Tail Corporation has 5 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, President, President, Northern Pipe Products & Vinyltech, Senior VP (Otter Tail Corporation) & President (Otter Tail Power Company), President, Varistar Manufacturing Otter Tail Corporation & Senior VP.