Avangrid Executive and Leadership Team

September, 2026

Leadership Overview

Avangrid has 4 executives leading key functions including digital infrastructure, network operations, power generation, and financial control.

Focused on sustainable energy expansion, Avangrid drives the transition to a cleaner grid while delivering reliable power to millions of customers across the United States through strategic infrastructure investments.

Leadership Roles at Avangrid

  • President and Chief Executive Officer Avangrid Power - Saygin Oytan
  • Chief Operating Officer, Networks - Giancarlo De souza
  • Chief Information Officer - Sergio Merchan
  • Senior Vice President & Controller - Teresa Bradford
  • Saygin Oytan - President and Chief Executive Officer Avangrid Power

    Saygin Oytan, the President and Chief Executive Officer Avangrid Power at Avangrid, leads the strategic direction of over 75 energy generation facilities across the United States. Oytan oversees the production of over 10.5 GW of power, focusing on expanding the company's renewable energy footprint. By managing large-scale generation projects, the President and Chief Executive Officer Avangrid Power ensures that the power business unit meets national energy demands while adhering to strict ethical and environmental standards. This leadership role involves navigating complex market dynamics to secure long-term growth for the generation portfolio. Saygin Oytan drives the development of new energy projects that contribute to the company's overall sustainability goals. Through the optimization of existing assets, Oytan maximizes output and efficiency across the national fleet. The President and Chief Executive Officer Avangrid Power collaborates with the board to align generation strategies with the broader corporate vision of providing clean, reliable energy to millions of customers nationwide.
    Saygin Oytan

    Giancarlo De souza - Chief Operating Officer, Networks

    Giancarlo De souza, the Chief Operating Officer, Networks at Avangrid, manages the daily operations of eight electric and natural gas utilities serving millions of customers in New York and New England. De souza oversees the maintenance and expansion of critical grid infrastructure to meet the rising energy demand of homes and businesses. By coordinating regional field teams, the Chief Operating Officer, Networks ensures the reliability and safety of utility services across the Northeast. This role requires constant interaction with regulatory bodies and internal stakeholders to maintain high service standards. Giancarlo De souza drives the modernization of distribution networks to accommodate renewable energy integration. Through rigorous oversight of capital projects, De souza improves grid performance and operational uptime. The Chief Operating Officer, Networks focuses on long-term asset health, ensuring that the utility business remains a cornerstone of the company's $47 billion portfolio while delivering consistent value to the millions of customers relying on these essential services.

    Sergio Merchan - Chief Information Officer

    Sergio Merchan, the Chief Information Officer at Avangrid, directs the digital transformation strategy across all utility and power generation assets. Merchan architects secure, scalable cloud infrastructure to support the complex data requirements of 3.3 million utility customers. By integrating advanced analytics into grid management, the Chief Information Officer optimizes operational efficiency and enhances cybersecurity protocols across the 23 states where the company maintains a footprint. This leadership role involves aligning technological investments with the broader corporate mission of sustainable energy delivery. Sergio Merchan ensures that internal systems remain resilient against evolving threats while facilitating seamless communication between the networks and power business units. Through the implementation of cutting-edge software solutions, Merchan drives innovation that supports the company's status as a top corporate citizen. The Chief Information Officer maintains constant collaboration with the executive team to ensure that digital capabilities scale alongside the physical expansion of energy generation projects.

    Teresa Bradford - Senior Vice President & Controller

    Teresa Bradford, the Senior Vice President & Controller at Avangrid, manages the financial integrity and reporting processes for the entire organization. Bradford oversees the accounting functions that support the company's $47 billion in assets, ensuring compliance with regulatory requirements across all 23 states of operation. By directing internal audit and financial control systems, the Senior Vice President & Controller provides the transparency necessary for maintaining the company's reputation as a leader in corporate ethics. This role involves close coordination with the executive team to monitor capital allocation and operational expenditures. Teresa Bradford drives the financial strategy that enables continued investment in grid infrastructure and energy generation projects. Through meticulous oversight of fiscal performance, Bradford secures the company's long-term financial stability. The Senior Vice President & Controller ensures that all financial reporting accurately reflects the operational successes of both the networks and power business lines, supporting the company's commitment to sustainable growth and shareholder value.

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    Frequently Asked Questions Regarding Avangrid Top Executives and Leadership Team

    Who leads Avangrid?
    Avangrid is led by Saygin Oytan (President and Chief Executive Officer Avangrid Power), along with executives such as Giancarlo De souza (Chief Operating Officer, Networks) and Sergio Merchan (Chief Information Officer).
    Who is part of Avangrid’s executive team?
    The executive team of Avangrid includes leaders such as Saygin Oytan (President and Chief Executive Officer Avangrid Power), Giancarlo De souza (Chief Operating Officer, Networks), Sergio Merchan (Chief Information Officer) and other senior executives.
    How many executives does Avangrid have?
    Avangrid has 4 executives leading key business areas.
    What roles are included in Avangrid’s leadership team?
    The leadership team of Avangrid includes roles such as President and Chief Executive Officer Avangrid Power, Chief Operating Officer, Networks, Chief Information Officer, Senior Vice President & Controller.