Entergy Corporation is an integrated energy company engaged primarily in electric power production and retail distribution operations.

Utilities

Entergy

Kimberly Cook-Nelson is executive vice president of nuclear operations and chief nuclear officer of Entergy, where she is responsible for the safe, secure and reliable operations of Entergy's four nuclear power plants and five reactors located in Arkansas, Louisiana and Mississippi. Entergy Nuclear is headquartered in Jackson, Mississippi.

As a member of the company's office of the chief executive, Cook-Nelson is also engaged in building and strengthening relationships with external stakeholders and being an engaged company representative with various stakeholders.

Cook-Nelson started her career in 1996 as a design engineer at the Waterford 3 nuclear plant, later moving to the nuclear safety analysis group where she focused on work in probabilistic risk assessment and risk-informed applications.

In 2001, she moved into leadership as a mechanical maintenance first-line supervisor, followed by operations, receiving her senior reactor operator license in 2003.

Over the following eight years, Cook-Nelson held various leadership positions of increasing responsibility in system engineering, continuous improvement, maintenance, nuclear safety assurance and operations. In 2011, she became the general manager of plant operations at Waterford 3 until she left in 2014 to pursue a rotational assignment at the Institute of Nuclear Power Operations where she qualified and functioned as an organizational effectiveness team leader and a corporate evaluator.

In 2016, Kimberly moved to the Entergy Nuclear headquarters office as vice president, operations support, where she was accountable for the line corporate functional area managers, training, performance improvement, organizational effectiveness, and business planning. In June 2019, she transitioned to the vice president, system planning and operations, where she was responsible for the local balance authority, energy marketing, commercial operations/origination, energy settlements, non-nuclear fuel purchasing and scheduling, long term capacity planning and more. In March 2021, she moved back to Entergy Nuclear as chief operating officer, nuclear operations with responsibility for Arkansas Nuclear One, River Bend and Palisades nuclear generating stations.

Cook-Nelson earned a degree in mechanical engineering and master's degrees in engineering management and business administration. She is an alumnus of the Harvard Business School and is a licensed professional engineer.

Kimberly Cook-Nelson

Kimberly Fontan is executive vice president and chief financial officer of Entergy, where she oversees corporate finance, accounting, internal audit, treasury, investor relations, and corporate development and planning. As CFO, Fontan maintains Entergy’s firm financial standing and ensures the company is well-positioned to achieve its strategic business objectives.

Before becoming CFO in 2022, Fontan served as senior vice president and chief accounting officer, where she oversaw the preparation of monthly financial reports, preparation of certain regulatory filings, and formulation and administration of accounting policy, procedures and controls. She also led the project management office in support of executing Entergy's strategic initiatives.

Prior to being named chief accounting officer, she served as vice president, system planning and operations; vice president, regulatory services; and vice president, Louisiana regulatory affairs.

Fontan previously held various roles of increasing scope and responsibility in accounting, including jurisdictional finance director for Entergy Louisiana and Entergy Gulf States Louisiana in 1997. She was named controller of utility operations in 2011, where she oversaw fuel and revenue accounting and provided guidance on federal accounting matters and accounting policy. She joined Entergy in 1996 as a staff accountant.

In addition to her role at Entergy, she serves on the board of directors for the New Orleans Center for Creative Arts.

Fontan has an MBA from Loyola University New Orleans and a bachelor's degree in business administration with an emphasis in accounting from The University of Southern Mississippi. She is a certified public accountant and a member of both the American Institute of Certified Public Accountants and the Mississippi Society of Certified Public Accountants.

Kimberly Fontan

David Ellis is senior vice president and chief customer officer for Entergy Corporation. He leads the company’s strategic efforts aimed at delivering extraordinary customer experiences while also bringing to market innovative solutions to keep pace with evolving customer needs and expectations.

Before assuming his current role in 2021, Ellis served as president and CEO of Entergy New Orleans, LLC, where he oversaw the successful startup of the 128-megawatt New Orleans Power Station. He secured the regulatory approval and initiated the construction of several renewable energy projects that will benefit New Orleans residents for years to come. Ellis drove the expansion of several technology and policy-based outcomes intended to improve system reliability, reduce greenhouse gas emissions, manage energy consumption and improve resilience from storm impacts.

With three decades of energy industry experience in reliability, energy and energy-management technology, Ellis’ expertise is essential to growing the business and enabling customers to reach their goals.

Prior to joining Entergy in 2018, he was president and CEO of New Jersey-based Global Power Technologies and led demand-response company Comverge’s global expansion, working directly with governmental, regulatory and utility interests around the world. He is regarded in the North American, African and Asian markets as an expert in driving technology-based energy solutions for utilities.

Ellis holds an MBA from Eastern University and a bachelor’s degree in electrical engineering technology from Penn State University. He has completed certificate-based coursework at Drexel University and the Wharton School of the University of Pennsylvania.

David Ellis

Eliecer "Eli" Viamontes is president and CEO of Entergy Texas, an electric utility that serves more than 473,000 customers in 27 Southeast Texas counties. He is responsible for the company’s safe and reliable service, financial performance, customer service, regulatory and public affairs, resource planning, economic development programs, and charitable contributions. 

Before assuming his current role in November 2021, Viamontes served as vice president, utility distribution operations for Entergy Corporation, where he was responsible for the operation and maintenance of the electric distribution infrastructure for all of Entergy’s state jurisdictions. 

Viamontes has 18 years of experience leading and working in customer-centric initiatives, including designing reliability programs, utilizing data analytics and driving operational improvements. 

Prior to joining Entergy in 2020, Viamontes served as senior director of labor relations and corporate safety at Florida Power & Light Company, a subsidiary of NextEra Energy Inc., where he spent the entirety of his career prior to arriving at Entergy. 

His previous roles included a wide array of experiences from across the utility business, including various leadership positions in the areas of electric distribution operations, key account management, engineering and construction, vegetation management, incident command and emergency management, reliability, quality/process management and human resources. 

Viamontes earned an MBA and a bachelor’s degree in electrical engineering from Florida International University in Miami. He completed an executive leadership course from the University of Virginia, is a registered professional engineer and a certified six sigma black belt. 

Entergy Texas provides electricity to approximately 473,000 customers in 27 counties. Entergy Texas is a subsidiary of Entergy Corporation, an integrated energy company engaged in electric power production, transmission and retail distribution operations. Entergy delivers electricity to 3 million utility customers in Arkansas, Louisiana, Mississippi and Texas. Entergy owns and operates one of the cleanest large-scale U.S. power generating fleets with approximately 30,000 megawatts of electric generating capacity, including 7,000 megawatts of nuclear power. Headquartered in New Orleans, Louisiana, Entergy has annual revenues of $10 billion and approximately 12,500 employees.

Eliecer Viamontes

Deanna Rodriguez is president and chief executive officer of [Entergy](/org/entergy) New Orleans, LLC, where she oversees the company’s electric distribution system, safety, financial performance, customer service, resource planning, economic development, charitable contributions, employee development, and regulatory and governmental affairs. [Entergy](/org/entergy) New Orleans provides electricity to more than 200,000 customers and natural gas to more than 108,000 customers.

Rodriguez, a 27-year veteran of [Entergy](/org/entergy), previously served a vice president of regulatory and public affairs at [Entergy](/org/entergy) Texas, Inc. Prior to that, she was vice president of regulatory affairs for [Entergy](/org/entergy) New Orleans, where she worked closely with the New Orleans City Council to launch the first Energy Smart program. The comprehensive energy efficiency plan was developed in collaboration with the New Orleans City Council and continues assisting customers today.

She also served as director of external affairs for [Entergy](/org/entergy) Corporation, where she coordinated post-Hurricane Katrina funding efforts, which resulted in more than $200 million in community development block grant funding for [Entergy](/org/entergy)’s Louisiana, Mississippi and New Orleans operating companies.

From 1999 to 2003, as vice president of corporate contributions, Rodriguez oversaw the creation of the [Entergy](/org/entergy) Charitable Foundation and the company’s employee volunteer program, Community Connectors.

Rodriguez holds a master’s degree in public affairs from the Lyndon B. Johnson School of Public Affairs at the University of Texas at Austin and a bachelor’s degree in government from the University of Texas at Austin.

Deanna Rodriguez

Collins oversees all aspects of [Entergy](/org/entergy)'s human resources strategy, which encompasses talent management, total rewards (compensation and benefits), labor relations, organizational health and diversity, and HR business partnership.

Collins has more than 30 years of strategic leadership experience spanning human resources, talent acquisition, HR systems, diversity and inclusion, organizational effectiveness and communications.

Her most recent previous role was chief human resources officer for [Arcosa](/org/arcosa), which was formed by Trinity's spin-off of their infrastructure-related business units into a standalone publicly traded company serving construction, energy and transportation markets.

Collins holds a bachelor's degree in industrial engineering from The University of Texas at Arlington, an MBA in industrial management from the [University of Dallas](/org/university-of-dallas), and a master's degree in organizational development and change management from the University of Texas at Dallas.

Kathryn Collins

Julie Harbert was named senior vice president, corporate business services, in March 2019.

In this role, she serves as a member of [Entergy](/org/entergy)’s Office of the Chief Executive and has responsibility for all information technology, supply chain, finance operations, human resource operations, real estate, facilities, aviation and continuous improvement functions.

Prior to her current role, Harbert served as vice president, shared services, leading [Entergy](/org/entergy)’s finance operations, HR operations, administrative services and business transformation groups.

Harbert came to [Entergy](/org/entergy) in 2017 from Royal Philips—a global leader in health technology, headquartered in Amsterdam. There, she was senior vice president, head of global business services and shared service transformation.

Before that, she held an array of leadership positions spanning 18 years at IBM, including chief financial officer and head of international transformation. She was vice president of the global shared service division from 2011 to 2014, leading full-scale operations including performance management, continuous improvement and talent management across an organization with nearly 75,000 employees.

Harbert holds a bachelor’s degree in accounting from [West Virginia University](/org/west-virginia-university) and a master’s in business administration with a focus in international finance and economics from the Fuqua School of Business at [Duke University](/org/duke-university).

Julie Harbert

Rod West is currently the Group President, Utility Operations at [Entergy](/org/entergy). Rod has previously worked as an attorney for both Vial, Hamilton, Koch & Knox from January 1998 to March 1999, and [Jones Walker](/org/jones-walker) from June 1993 to January 1998. Their work as an attorney has focused on labor and employment law, commercial litigation, sports, and entertainment.

Rod West graduated from Brother Martin High School. Rod then took a Reactor Technology Course for Utility Executives at the Dept of Nuclear Science and Engineering at MIT-NSE and INPO National Academy for Nuclear Training. After that, they received their MBA from Tulane University - A.B. Freeman School of Business. Next, they earned their Juris Doctor from Tulane University Law School. Finally, they received their B.A. from the [University of Notre Dame](/org/university-of-notre-dame).

Rod West reports to Leo Denault, Chairman & CEO. Some of their coworkers include Laura R. Landreaux - President & CEO, [Entergy](/org/entergy) Arkansas, Andrew Marsh - EVP, CFO, and  Phillip R. May - President & CEO, [Entergy](/org/entergy) Louisiana.

Rod West

Hudson is responsible for several key groups focused on [Federal Energy Regulatory Commission](/org/federal-energy-regulatory-commission) issues, sustainability and environmental policy, federal governmental affairs and corporate social responsibility. 

Prior to joining [Entergy](/org/entergy), Hudson served as president and chief executive officer of Nicor Gas Corporation, Illinois' largest gas distribution company, which reached more than 2.2 million customers. Previously, Hudson was executive vice president and chief external affairs officer at [Southern Company Gas](/org/southern-company-gas), where he was responsible for the company's external affairs, customer operations, environmental affairs, corporate communications, and marketing efforts.

Hudson received an MBA from Georgia Tech Scheller College of Business, a Juris Doctor from Miles College School of Law, and a bachelor's degree in political science from Alabama A&M University. He also completed the executive accounting and finance program at the University of Pennsylvania Wharton School of Business and the Young American Leaders Program at [Harvard Business School](/org/harvard-business-school).

John O. Hudson III

Marcus V. Brown is the EVP and General Counsel at [Entergy](/org/entergy). Marcus has been with [Entergy](/org/entergy) Corporation for over 20 years, starting as an Associate General Counsel in 1995 and working their way up to VP & Deputy General Counsel from 2009 to 2011. Prior to their work at [Entergy](/org/entergy), Marcus was an attorney at Stone Pigman Walther Wittmann L.L.C.

Marcus V. Brown received their Master of Business Administration (MBA) from [Tulane University](/org/tulane-university) and their Doctor of Law (JD) from Southern University Law Center.

Some of their coworkers include Deanna Rodriguez - President & CEO, [Entergy](/org/entergy) New Orleans, Haley Fisackerly - President & CEO, [Entergy](/org/entergy) Mississippi, and David Ellis - SVP, Chief Customer Officer. A direct report to Marcus V. Brown is and John O. Hudson III - SVP, Federal Policy, Regulatory & Government Affairs. Their manager is Leo Denault, Chairman & CEO.

Marcus V. Brown

Haley Fisackerly

Phillip R. May is the current President & CEO of [Entergy](/org/entergy) Louisiana at [Entergy](/org/entergy). Phillip has been in this role since January 2000. Prior to this, they were the Vice President of Transition Management at [Entergy](/org/entergy) from January 2000 to December 2000, where they were responsible for preparing the utility operating companies for retail competition.

Phillip R. May has an MBA from the University of New Orleans and a BSEE from the University of Southwest Louisiana. Phillip also has a degree in Pre-Engineering from [Southeastern Louisiana University](/org/southeastern-louisiana-university). Phillip graduated from Glen Oaks High School.

Their manager is Leo Denault, Chairman & CEO. Some of their coworkers include Deanna Rodriguez - President & CEO, [Entergy](/org/entergy) New Orleans, Eliecer Viamontes - President & CEO, [Entergy](/org/entergy) Texas, and Marcus V. Brown - EVP, General Counsel.

 Phillip R. May

Laura R. Landreaux is the current President & CEO of [Entergy](/org/entergy) Arkansas at [Entergy](/org/entergy). Prior to their current position, they served as Senior Legal Counsel at [Entergy](/org/entergy) Services, Inc. from July 2007 to February 2012. Laura began their career as an Associate at [Quarles & Brady LLP](/org/quarles-brady-llp) from June 1999 to September 2003 before moving on to become Attorney IV at Salt River Project from September 2003 to May 2007.

Ms. Landreaux received their Juris Doctor from the University of Arkansas School of Law in Fayetteville and their Bachelor's degree in Political Science and Government from the University of Arkansas. Laura also attended [Vanderbilt University](/org/vanderbilt-university).

They work with Rod West - Group President, Utility Operations, Eliecer Viamontes - President & CEO, [Entergy](/org/entergy) Texas, and Chris Bakken - EVP, Nuclear Operations & Chief Nuclear Officer. Laura R. Landreaux reports to Leo Denault, Chairman & CEO.

Laura R. Landreaux

Peter S. Norgeot, Jr. is the Senior Vice President at [Entergy](/org/entergy). Peter has over fifteen years of experience in the power industry, holding various positions such as President of Global Power Advisors, LLC and Vice President of Generation at [AES Corporation](/org/aes-corporation). Peter is responsible for the overall safety, operations, maintenance, administration, financial and fuel supply for [Entergy](/org/entergy).

Peter S. Norgeot, Jr. received a Bachelor of Science in Marine Engineering from the [Massachusetts Maritime Academy](/org/massachusetts-maritime-academy).

Some of their coworkers include Rod West - Group President, Utility Operations, Kathryn Collins - Chief Human Resources Officer, and Marcus V. Brown - EVP, General Counsel. Peter S. Norgeot, Jr. reports to Leo Denault, Chairman & CEO.

Peter S. Norgeot, Jr.

Drew Marsh is chief executive officer of Entergy, a Fortune 500 integrated energy company that powers life for 3 million customers through its operating companies in Arkansas, Louisiana, Mississippi and Texas. He intends to build on the company's successes and momentum in the areas of customer-focused energy solutions, renewable energy generation, infrastructure resilience and operational excellence.

Before becoming CEO in 2022, Marsh served as executive vice president and chief financial officer of Entergy, where he was responsible for overseeing the corporate finance, accounting, internal audit, treasury, investor relations, and corporate development and planning departments. As CFO, Marsh maintained Entergy’s firm financial standing and ensured the company was well-positioned to achieve its strategic business objectives.

Marsh previously served in a series of financial planning and strategy leadership roles, including vice president of planning and financial communications, where he oversaw a large organization responsible for executing commercial operations for the Entergy utility operating companies. He also served as vice president of strategic planning for Entergy-Koch, LP, a joint venture with Koch Industries Inc.

Marsh joined Entergy in 1998 as an associate in strategic planning and special projects. He later played an integral role in the company’s national nuclear strategy as finance project manager.

He serves on the boards of directors for the Nuclear Electric Insurance Limited and KIPP New Orleans Schools, and the advisory board for Posse New Orleans.

Marsh received a master’s degree in management from Kellogg Graduate School of Management at Northwestern University and a bachelor’s degree in mechanical engineering from the University of Notre Dame.

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