MacLean Power Systems Executive and Leadership Team

July, 2026

Leadership Overview

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

Driven by a commitment to infrastructure advancement, MacLean Power Systems manufactures and supplies critical products for the electric utility, communication, and civil infrastructure sectors, upholding a legacy of innovation since 1925.

Leadership Roles at MacLean Power Systems

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

    Valterlei Minini, the Chief Executive Officer at MacLean Power Systems, directs the company's overarching strategy and operational execution. Minini guides the organization's vision, ensuring alignment with market demands for electric utility, communication, and civil infrastructure products. This leadership role involves optimizing business processes to enhance the manufacturing and supply of automatic splices, bolted connectors, and surge arresters. Valterlei Minini drives initiatives focused on expanding market reach and solidifying MacLean Power Systems' position as a key supplier. The Chief Executive Officer's purview encompasses fostering innovation and maintaining the company's established reputation for quality and reliability in the infrastructure sector. This executive ensures the company's long-term growth trajectory and financial health through strategic decision-making and effective resource allocation across all departments.

    Keith Mayer - Chief Financial Officer

    Keith Mayer, the Chief Financial Officer at MacLean Power Systems, manages the company's financial health and strategic fiscal planning. Mayer oversees all financial operations, including accounting, budgeting, and financial reporting, ensuring compliance and fiscal responsibility. This role is pivotal in supporting the manufacturing and supply of essential products for the electric utility, communication, and civil infrastructure markets. Keith Mayer directs investment strategies and capital allocation to drive growth and operational efficiency. The Chief Financial Officer's expertise ensures the financial stability required to innovate and expand the company's product lines, such as automatic splices, bolted connectors, and surge arresters. Mayer's leadership provides the financial framework necessary for MacLean Power Systems to achieve its long-term objectives and maintain market leadership.
    Keith Mayer

    Marcelo Donatti - Chief Financial Officer, Diretor Administrativo Financeiro

    Marcelo Donatti, the Chief Financial Officer, Diretor Administrativo Financeiro at MacLean Power Systems, spearheads financial administration and strategic fiscal management. Donatti directs the company's financial planning, analysis, and reporting functions, ensuring robust fiscal controls across all operations. This executive's responsibilities are integral to supporting the production and distribution of critical components for the electric utility, communication, and civil infrastructure sectors. Marcelo Donatti oversees the financial aspects of business development and operational scaling, contributing to the company's sustained growth. The Chief Financial Officer, Diretor Administrativo Financeiro role involves optimizing financial resources to enhance the manufacturing of products like automatic splices, bolted connectors, and surge arresters. Donatti's financial acumen fortifies MacLean Power Systems' market position and operational integrity.
    Marcelo Donatti

    Brian Berner - Chief Technology Officer

    Brian Berner, the Chief Technology Officer at MacLean Power Systems, architects the company's technological roadmap and innovation pipeline. Berner oversees the development and implementation of advanced technologies that enhance the product offerings for electric utility, communication, and civil infrastructure clients. This involves driving research and development efforts for new solutions, including next-generation automatic splices, bolted connectors, and surge arresters. The Chief Technology Officer ensures that MacLean Power Systems maintains a competitive edge through technological superiority. Brian Berner collaborates with engineering and manufacturing teams to integrate cutting-edge solutions, improving product performance and efficiency. This leadership position is critical for maintaining the company's commitment to providing high-quality, reliable infrastructure components.

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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 Valterlei Minini (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 Valterlei Minini (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.