MasTec Executive and Leadership Team

Paul DiMarco, the Chief Financial Officer & Executive VP at MasTec, directs all fiscal planning and capital allocation strategies. Managing the financial health of large-scale infrastructure projects, the Chief Financial Officer & Executive VP ensures rigorous oversight of budgetary compliance across United States and Canadian operations. This leadership role involves analyzing market trends to optimize resource distribution for energy and utility construction initiatives. By maintaining transparent reporting standards, Paul DiMarco strengthens investor confidence and supports long-term corporate stability. DiMarco collaborates with the board to refine investment models, ensuring that financial performance aligns with the broader growth objectives of the organization. Through precise fiscal management, the Chief Financial Officer & Executive VP mitigates operational risks while maximizing shareholder value in a competitive construction landscape, ultimately securing the necessary capital to fuel ongoing expansion and technological upgrades within the diverse infrastructure portfolio.

Robert Valdez, the Executive Vice President & Chief Financial Officer at MasTec, oversees enterprise-wide financial reporting and treasury functions. Focusing on the economic viability of communications and infrastructure projects, the Executive Vice President & Chief Financial Officer drives cost-efficiency programs that enhance project margins. This role requires constant interaction with operational leaders to monitor cash flow and liquidity across North American markets. Robert Valdez implements advanced financial modeling to forecast revenue streams from complex engineering contracts. By streamlining procurement processes and optimizing debt structures, the Executive Vice President & Chief Financial Officer bolsters the balance sheet against industry volatility. Valdez maintains strict adherence to regulatory requirements, ensuring that all financial disclosures reflect the true operational status of the company. Through strategic financial leadership, the Executive Vice President & Chief Financial Officer enables the organization to pursue aggressive growth targets while maintaining a disciplined approach to capital expenditure and asset management.

Zach McGuire, the Group President at MasTec, directs the operational execution of communications infrastructure projects. Overseeing field operations and project management teams, the Group President ensures that all installation and maintenance services meet strict quality and safety benchmarks. This leadership role involves coordinating with regional managers to optimize equipment deployment and labor scheduling across North American markets. Zach McGuire implements lean construction methodologies to reduce project timelines and improve profitability for telecommunications clients. By fostering strong relationships with key stakeholders, the Group President secures repeat business and expands the market footprint of the company. McGuire monitors project performance metrics to identify areas for operational improvement and efficiency gains. Through hands-on management of field activities, the Group President drives the successful delivery of critical infrastructure upgrades, ensuring that the organization remains a preferred partner for major communications providers seeking reliable and scalable construction solutions.

Mark Bader Hellstrom, the Group President, Infrastructure & Industrial at MasTec, oversees the engineering and construction of large-scale energy and industrial facilities. Directing the technical teams responsible for complex utility upgrades, the Group President, Infrastructure & Industrial ensures that all projects adhere to rigorous engineering standards and environmental regulations. This role involves managing supply chain logistics and vendor partnerships to maintain project schedules across diverse geographic regions. Mark Bader Hellstrom implements innovative construction techniques to enhance the efficiency and durability of energy infrastructure. By aligning industrial operations with the strategic goals of the company, the Group President, Infrastructure & Industrial drives revenue growth in the energy sector. Hellstrom collaborates with other executives to integrate new technologies into existing infrastructure, supporting the transition toward more sustainable energy solutions. Through expert management of industrial projects, the Group President, Infrastructure & Industrial secures the operational success of critical energy assets.

Pari Garberg, the Chief People Officer at MasTec, directs human capital strategy and organizational development initiatives. Overseeing talent acquisition and workforce training for specialized construction roles, the Chief People Officer ensures that the company maintains a highly skilled labor force capable of executing complex infrastructure projects. This leadership role involves designing comprehensive benefits programs and fostering a culture of safety and professional growth across all regional operations. Pari Garberg implements performance management systems that align individual contributions with the overarching mission of delivering reliable utility and energy services. By prioritizing employee engagement and retention, the Chief People Officer mitigates turnover risks in a tight labor market. Garberg collaborates with executive leadership to refine succession planning and leadership development, ensuring that the organization possesses the internal talent required for future expansion. Through strategic human resources management, the Chief People Officer drives operational excellence and supports the long-term sustainability of the workforce.

Alberto Cardenas, the Executive VP, General Counsel & Secretary at MasTec, manages all legal affairs and corporate governance protocols. Overseeing contract negotiations for large-scale infrastructure construction, the Executive VP, General Counsel & Secretary ensures that all agreements protect the company from liability while facilitating project execution. This role involves navigating complex regulatory environments across the United States and Canada to maintain compliance with environmental and safety standards. Alberto Cardenas provides strategic counsel to the board regarding mergers, acquisitions, and corporate policy development. By mitigating legal risks associated with utility and energy projects, the Executive VP, General Counsel & Secretary safeguards the reputation and assets of the organization. Cardenas coordinates with external legal partners to resolve disputes and ensure that all business activities adhere to federal and local laws. Through diligent legal oversight, the Executive VP, General Counsel & Secretary supports the operational integrity and ethical standards of the entire enterprise.

Alberto de Cardenas, the Executive VP & Corporate General Counsel at MasTec, directs the corporate legal strategy and risk management framework. Overseeing the internal legal department, the Executive VP & Corporate General Counsel ensures that all business units operate within the bounds of applicable law while pursuing aggressive growth in the construction sector. This role involves managing complex litigation and regulatory inquiries that arise from large-scale infrastructure projects. Alberto de Cardenas provides guidance on corporate governance and board-level decision-making, ensuring that all actions align with the long-term interests of the company. By developing robust compliance programs, the Executive VP & Corporate General Counsel minimizes exposure to legal and operational risks. de Cardenas coordinates with executive leadership to structure joint ventures and strategic partnerships that expand the market reach of the organization. Through proactive legal management, the Executive VP & Corporate General Counsel maintains the ethical and legal foundation necessary for sustained corporate success.