Leadership Overview
MasTec has 9 executives leading key functions including strategy, finance, technology, and people operations.
Driven by a commitment to infrastructure development, MasTec provides comprehensive engineering, building, installation, maintenance, and upgrade services across North America, solidifying its market leadership.
Driven by a commitment to infrastructure development, MasTec provides comprehensive engineering, building, installation, maintenance, and upgrade services across North America, solidifying its market leadership.
Leadership Roles at MasTec
Jose Mas - Chief Executive Officer
Jose Mas, the Chief Executive Officer at MasTec, directs the company's overall strategic vision and operational execution. Overseeing all major business units, Jose Mas ensures alignment with the company's mission to provide essential infrastructure construction services across communications, energy, and utilities primarily in the United States and Canada. This leadership role involves driving growth initiatives, managing complex project portfolios, and fostering a culture of safety and efficiency. The Chief Executive Officer's responsibilities extend to capital allocation, investor relations, and long-term corporate planning, directly impacting MasTec's market position and financial performance. Through strategic decision-making, the Chief Executive Officer guides the company's expansion into new markets and technological advancements within the construction sector.

Sean Kelleher - Chief Financial Officer, Clean Energy & Infrastructure
Sean Kelleher, the Chief Financial Officer, Clean Energy & Infrastructure at MasTec, manages the financial operations and strategic planning for the company's significant clean energy and infrastructure divisions. Overseeing budgeting, forecasting, and financial reporting, Sean Kelleher ensures fiscal discipline and drives profitability within these critical sectors. This role involves close collaboration with operational leaders to optimize resource allocation and identify investment opportunities that align with MasTec's growth objectives in renewable energy and utility infrastructure. By analyzing market trends and financial performance, the Chief Financial Officer, Clean Energy & Infrastructure guides strategic financial decisions to support project execution and expansion across North America. Kelleher's financial acumen is vital for securing funding and managing risk in large-scale infrastructure projects.

Emilio Alfonso - Chief Financial Officer, Service Line
Emilio Alfonso, the Chief Financial Officer, Service Line at MasTec, directs the financial strategy and oversight for the company's diverse service line operations. Managing financial planning, analysis, and reporting, Emilio Alfonso ensures the profitability and efficiency of various service offerings within the communications, energy, and utility sectors. This position requires a deep understanding of operational costs, revenue streams, and market dynamics to support strategic decision-making. The Chief Financial Officer, Service Line collaborates with business unit leaders to implement financial controls, optimize performance, and identify opportunities for margin improvement. Alfonso's expertise is crucial for maintaining financial health across MasTec's extensive service network in the United States and Canada.
Paul DiMarco - Executive Vice President & Chief Financial Officer
Paul DiMarco, the Executive Vice President & Chief Financial Officer at MasTec, holds a pivotal role in the company's financial management and strategic direction. Overseeing all aspects of financial operations, including accounting, treasury, and financial planning and analysis, Paul DiMarco ensures the fiscal integrity and performance of MasTec across its extensive infrastructure construction activities in North America. This executive leadership position involves managing capital structure, driving profitability, and supporting growth strategies through robust financial oversight. DiMarco's responsibilities include ensuring compliance with financial regulations and reporting requirements, as well as fostering strong relationships with financial institutions and investors. The Executive Vice President & Chief Financial Officer's strategic financial guidance is essential for MasTec's continued success and expansion.

Robert Valdez - Executive Vice President & Chief Financial Officer
Robert Valdez, the Executive Vice President & Chief Financial Officer at MasTec, contributes significantly to the company's financial strategy and operational oversight. Managing key financial functions, Robert Valdez ensures the effective allocation of resources and drives financial performance across MasTec's diverse infrastructure projects in the United States and Canada. This role involves close collaboration with business unit leaders to achieve financial targets and optimize profitability. The Executive Vice President & Chief Financial Officer's responsibilities include financial reporting, risk management, and supporting strategic initiatives that enhance shareholder value. Valdez's financial expertise is critical for navigating complex market conditions and supporting the company's ongoing expansion in the construction and engineering sectors.
Mallik Vagvala - President, Middle (East, APAC)
Mallik Vagvala, the President, Middle (East, APAC) at MasTec, directs the company's strategic growth and operational execution within the Middle East and Asia-Pacific regions. Overseeing business development, project management, and client relations in these key international markets, Mallik Vagvala ensures MasTec's infrastructure construction services meet local demands and regulatory requirements. This leadership position involves identifying new opportunities, managing regional teams, and driving profitability to expand MasTec's global footprint. The President, Middle (East, APAC) is responsible for adapting the company's offerings to diverse market conditions and fostering strong partnerships. Vagvala's focus is on delivering successful projects and enhancing MasTec's reputation in these critical growth territories.

Zachary McGuire - Group President
Zachary McGuire, the Group President at MasTec, leads significant operational segments of the company, driving performance and strategic initiatives across multiple business units. Overseeing large-scale construction projects and service operations, Zachary McGuire ensures efficient project delivery, client satisfaction, and adherence to safety and quality standards throughout the United States and Canada. This executive role involves managing P&L responsibilities, fostering cross-functional collaboration, and identifying opportunities for operational improvement and expansion. The Group President plays a crucial part in executing MasTec's overall business strategy, contributing directly to revenue growth and market share. McGuire's leadership focuses on optimizing operational efficiency and achieving key business objectives.
Gordon Edwards - Chief Technology Officer, Information Technology
Gordon Edwards, the Chief Technology Officer, Information Technology at MasTec, leads the company's technology strategy and digital transformation initiatives. Overseeing the development and implementation of IT infrastructure, software solutions, and cybersecurity measures, Gordon Edwards ensures that technology effectively supports MasTec's construction and engineering operations. This role involves evaluating emerging technologies, driving innovation in digital tools for project management, and enhancing data analytics capabilities to improve operational efficiency and decision-making across the United States and Canada. The Chief Technology Officer, Information Technology is responsible for maintaining robust IT systems that enable seamless communication, collaboration, and data management for all business units. Edwards's focus is on leveraging technology to enhance productivity and competitive advantage.
Clint Pies - Chief People Officer
Clint Pies, the Chief People Officer at MasTec, leads the company's human capital strategy and organizational development initiatives. Overseeing all aspects of human resources, including talent acquisition, employee relations, compensation and benefits, and learning and development, Clint Pies ensures MasTec attracts, retains, and develops a skilled workforce essential for its infrastructure construction operations. This role is critical for fostering a positive and productive work environment across the United States and Canada, supporting employee engagement, and aligning HR practices with the company's strategic goals. The Chief People Officer champions initiatives that promote diversity, inclusion, and professional growth, directly impacting employee morale and operational effectiveness. Pies's leadership ensures MasTec has the talent necessary to execute complex projects.
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