MacLean Power Systems Executive and Leadership Team

July, 2026

Leadership Overview

MacLean Power Systems has 4 executives leading key functions including strategy, finance, technology, and administration.

Driven by a legacy of manufacturing excellence, MacLean Power Systems is dedicated to supplying critical components for electric utility, communication, and civil infrastructure, shaping market impact through innovation and reliability.

Leadership Roles at MacLean Power Systems

  • Chief Executive Officer - Steven Scharnhorst
  • Chief Financial Officer - Keith Mayer
  • Chief Financial Officer, Diretor Administrativo Financeiro - Marcelo Donatti
  • Chief Technology Officer - Brian Berner
  • Steven Scharnhorst - Chief Executive Officer

    Steven Scharnhorst, the Chief Executive Officer at MacLean Power Systems, directs the company's overall strategic vision and operational execution. Scharnhorst guides the organization's expansion into new markets and enhances its product portfolio, ensuring alignment with the evolving needs of the electric utility, communication, and civil infrastructure sectors. This leadership role involves fostering innovation across all departments and driving sustainable growth. By optimizing resource allocation and championing a culture of excellence, Steven Scharnhorst ensures MacLean Power Systems maintains its competitive edge and commitment to quality. The Chief Executive Officer's oversight extends to key business development initiatives and strategic partnerships, solidifying the company's market position and long-term financial health.
    Steven Scharnhorst

    Keith Mayer - Chief Financial Officer

    Keith Mayer, the Chief Financial Officer at MacLean Power Systems, manages all financial operations and strategic fiscal planning. Mayer oversees budgeting, forecasting, and financial reporting, ensuring robust fiscal health and compliance across the organization. This critical position involves analyzing market trends and economic conditions to inform investment strategies and capital allocation. By implementing stringent financial controls and driving efficiency initiatives, Keith Mayer supports the company's manufacturing and supply chain operations. The Chief Financial Officer's responsibilities include managing relationships with financial institutions and stakeholders, securing capital for growth, and optimizing the company's balance sheet. Mayer's financial acumen is essential for sustaining the company's long-standing reputation for reliability and product quality in the electric utility and infrastructure sectors.
    Keith Mayer

    Marcelo Donatti - Chief Financial Officer, Diretor Administrativo Financeiro

    Marcelo Donatti, the Chief Financial Officer, Diretor Administrativo Financeiro at MacLean Power Systems, oversees both financial strategy and administrative functions. Donatti manages the company's financial health, including accounting, treasury, and financial planning, while also directing administrative operations to ensure seamless business processes. This dual role requires a comprehensive understanding of fiscal management and operational efficiency, particularly within the manufacturing sector. By optimizing financial resources and streamlining administrative procedures, Marcelo Donatti contributes to the company's overall productivity and profitability. The Chief Financial Officer, Diretor Administrativo Financeiro's responsibilities extend to ensuring compliance with financial regulations and supporting strategic initiatives across the electric utility and communication infrastructure markets. Donatti's leadership ensures robust financial oversight and efficient administrative support for MacLean Power Systems.
    Marcelo Donatti

    Brian Berner - Chief Technology Officer

    Brian Berner, the Chief Technology Officer at MacLean Power Systems, spearheads technological innovation and product development. Berner directs the research and development efforts, focusing on advancing the company's offerings in automatic splices, bolted connectors, and surge arresters for the electric utility and communication industries. This role involves identifying emerging technologies and integrating them into the product lifecycle to enhance performance and reliability. By fostering a culture of continuous improvement, Brian Berner ensures MacLean Power Systems remains at the forefront of technological advancement. The Chief Technology Officer's strategic guidance supports the company's mission to provide cutting-edge solutions for civil infrastructure projects. Berner's technical leadership is pivotal in maintaining the company's competitive advantage and meeting the stringent demands of its client base.

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    Frequently Asked Questions Regarding MacLean Power Systems Top Executives and Leadership Team

    Who leads MacLean Power Systems?
    MacLean Power Systems is led by Steven Scharnhorst (Chief Executive Officer), along with executives such as Keith Mayer (Chief Financial Officer) and Marcelo Donatti (Chief Financial Officer, Diretor Administrativo Financeiro).
    Who is part of MacLean Power Systems’s executive team?
    The executive team of MacLean Power Systems includes leaders such as Steven Scharnhorst (Chief Executive Officer), Keith Mayer (Chief Financial Officer), Marcelo Donatti (Chief Financial Officer, Diretor Administrativo Financeiro) and other senior executives.
    How many executives does MacLean Power Systems have?
    MacLean Power Systems has 4 executives leading key business areas.
    What roles are included in MacLean Power Systems’s leadership team?
    The leadership team of MacLean Power Systems includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Financial Officer, Diretor Administrativo Financeiro, Chief Technology Officer.