MasTec Executive and Leadership Team

Sean Kelleher, the Chief Financial Officer, Clean Energy & Infrastructure at MasTec, directs financial strategy and operations for the company's clean energy and infrastructure divisions. This leadership role involves managing capital allocation, financial planning, and risk management to support the expansion of renewable energy projects and critical infrastructure development across North America. Kelleher ensures fiscal discipline and drives profitability by optimizing investment strategies and operational efficiencies within these key growth sectors. The financial oversight provided by Sean Kelleher is crucial for sustaining MasTec's market position and achieving its long-term strategic objectives in the evolving energy and infrastructure landscape.

Paul DiMarco, the Executive Vice President & Chief Financial Officer at MasTec, oversees the comprehensive financial health and strategic fiscal planning for the entire organization. This executive position involves managing all aspects of corporate finance, including accounting, treasury, investor relations, and financial reporting, ensuring adherence to regulatory standards and driving shareholder value. DiMarco's financial acumen supports MasTec's extensive engineering, building, installation, and maintenance services across communications, energy, and utility sectors primarily in the United States and Canada. By guiding financial operations, Paul DiMarco enables the company to undertake large-scale infrastructure projects and maintain a strong competitive edge in the construction industry.

Robert Valdez, the Executive Vice President & Chief Financial Officer at MasTec, manages the financial architecture and strategic resource allocation for the company's diverse infrastructure construction operations. This critical role involves directing financial planning, analysis, and reporting to support MasTec's extensive service offerings in communications, energy, and utility sectors across North America. Valdez ensures robust financial controls and drives fiscal strategies that underpin the company's growth and operational efficiency. The financial leadership of Robert Valdez is essential for navigating complex project financing and maintaining the company's strong market presence in the United States and Canada.

Mark Bader Hellstrom, the Group President, Infrastructure & Industrial at MasTec, leads the strategic direction and operational execution for the company's infrastructure and industrial construction segments. This senior leadership position involves overseeing a broad portfolio of projects, including the engineering, building, installation, and maintenance of critical infrastructure across the United States and Canada. Hellstrom drives business development, manages key client relationships, and ensures the efficient delivery of services within the communications, energy, and utility sectors. The operational oversight provided by Mark Bader Hellstrom is fundamental to MasTec's success in undertaking large-scale, complex industrial and infrastructure initiatives.

Ismael Perera, the Group President at MasTec, directs significant operational segments of the company's infrastructure construction business. This executive role involves overseeing the planning, execution, and delivery of complex engineering, building, and installation projects across various sectors, including communications, energy, and utilities. Perera focuses on driving operational excellence, ensuring project profitability, and managing resources effectively to meet client demands throughout North America. The leadership of Ismael Perera is instrumental in maintaining MasTec's reputation for reliable project completion and expanding its market reach within the competitive infrastructure development landscape.

Pari Becker Garberg, the Chief People Officer, Clean Energy & Infrastructure at MasTec, directs human capital strategy and organizational development for the company's clean energy and infrastructure divisions. This executive function focuses on attracting, retaining, and developing talent to support MasTec's extensive project execution across North America. Garberg oversees all aspects of human resources, including talent acquisition, employee engagement, compensation, and benefits, ensuring a skilled workforce capable of meeting the demands of complex engineering and construction projects. The strategic HR initiatives led by Pari Becker Garberg are vital for fostering a high-performance culture and supporting the company's growth in the renewable energy and infrastructure markets.