Leadership

Kevin Walker

President & CEO

Kevin Walker, president and CEO of Duquesne Light Holdings Inc. (DLH), is playing a leading role in the Pittsburgh region’s clean energy transition. With more than 30 years of experience in various roles at multiple utilities across the country, Walker is strategically positioning DLH, which includes Duquesne Light Company (DLC) and The Efficiency Network, to serve as a trusted partner for all.

Prior to joining DLC as chief operating officer (COO) in April 2020, Walker served various executive appointments including senior vice president of Customer and Operations Services and Nuclear Decommissioning at Southern California Edison, and COO posts at Iberdrola and American Electric Power.

Walker is also a proud veteran of the U.S. Army, and holds a bachelor’s degree in civil engineering from West Point Academy and an MBA from the Wharton School of Business at the University of Pennsylvania.

Matt Ankrum

VP, Chief Financial Officer

Matt Ankrum joined Duquesne Light in 2007 and is responsible for overseeing accounting and financial reporting, financial planning and analysis, treasury, tax, procurement and supply chain, and operation services. He was named Vice President and CFO on July 1, 2021. Prior to joining the organization, Ankrum served in various accounting positions at Equitable Resources and Deloitte & Touche. A certified public accountant and chartered global management accountant, Ankrum holds a Bachelor of Arts degree from the University of Pittsburgh.

Lisa Davidson

VP, Chief Human Resources Officer

Lisa Davidson joined Duquesne Light Holdings (DLH) in January 2023 as vice president, chief human resources officer. In this role, Lisa works with departments across the organization to propel DLH's safety culture, strengthen leadership development and ensure DLH is building and maintaining the workforce of the future. She brings more than 30 years of human resources experience to DLH, including stints at Crown Castle International, AT&T Mobility and Pepsi Cola. Prior to joining DLH, Lisa served as senior vice president, chief human resources officer, at Black Box Corporation in Lawrence, Pa., where she led a global team of 51 human resource professionals, supporting more than 3,000 employees.

David T. Fisfis

VP, Energy Policy and Corporate Secretary

David Fisfis currently serves as the Vice President – Energy Policy, Corporate Secretary to the Board of Directors and Special Counsel to the CEO. David previously served as General Counsel at Duquesne Light Holdings (DLH) and Duquesne Light Company (DLC) from August 2011 to March 2025.

In his current role, David leads DLC’s energy policy and external affairs activities, including advocacy efforts with the Pennsylvania Public Utilities Commission, PJM Interconnection and the Federal Energy Regulatory Commission (FERC), as well as DLC’s rates, tariff and energy procurement functions. He also serves on the Board of Directors of The Efficiency Network (TEN), a subsidiary of DLH, and the Energy Association of Pennsylvania, the electric and gas utilities industry trade association.

In his prior role as General Counsel, David was responsible for all legal services provided to Duquesne Light, as well as compliance, internal audit and risk management. He also was previously the Vice President for Business Development at DLH. He has worked exclusively in the energy industry since 2000, including legal and business positions at FirstEnergy Corp, Allegheny Energy and NRG Energy.

David also has more than 10 years of private legal practice experience, primarily with the major law firm, K&L Gates LLP. He received his bachelor's from Bucknell University and his J.D. from Duquesne University in Pittsburgh.

Daniel Farrah

VP, Chief Information Officer

Daniel Farrah joined Duquesne Light Company (DLC) in December 2023 as vice president and chief information officer. He is responsible for leading the information technology (IT) business unit in its continued transformation to enable DLC’s vision of a clean energy future for all, including a central focus on technology to meet evolving customer needs. Previously, Farrah served in several executive technology leadership roles at Optum — a technology-enabled healthcare services company owned by UnitedHealth Group — including vice president of technology strategy and innovation at Optum Health and chief information officer at MedExpress. He also served in progressive technology leadership positions at ATI. Farrah was a 1st Lieutenant in the U.S. Army from 1992 to 1996 and received a bachelor’s degree in mechanical engineering and MBA from the University of Pittsburgh, as well as a Master of Science in Information Technology from Carnegie Mellon University.

Brian Guzek

VP, Corporate Strategy

Brian Guzek serves as Vice President, Corporate Strategy, where he leads Duquesne Light Company’s plan in innovation and affordability, including grid modernization, expansion of electric vehicles, and bringing new technology to serve customers and communities in DLC’s service territory. Guzek joined DLC in 2017 as Director and Chief Procurement Officer, later becoming Managing Director of Customer Transformation and then Managing Director of Affordability and Innovation Management. Prior to joining DLC, he held previous roles at U.S Steel, including Director of Transformation. An engineer by trade, Guzek received both a bachelor’s and a master’s degree in mechanical engineering from the University of Pittsburgh, where he also played football.

John Hilderbrand II

VP, Operations

John Hilderbrand II serves as Duquesne Light Company’s Vice President of Operations. He was named to the role on July 8, 2021. With more than 30 years of operations and utility experience, he oversees DLC’s critical operations functions. Prior to joining the company in 2015, Hilderbrand served in various positions at West Penn Power Company, Allegheny Power and First Energy. He holds an Associate degree in electrical engineering from The Pennsylvania State University and a Bachelor of Science degree in electrical engineering from the University of Pittsburgh. Hilderbrand is a licensed Professional Engineer in the state of Pennsylvania.

Kristy Stone

VP, Chief Customer Officer

Kristina "Kristy" Stone joined Duquesne Light Company (DLC) in January 2023 as vice president, chief customer officer, where she is responsible for leading the company’s culture of customer service. She has more than 20 years of customer service experience in both the public and private sector. Prior to joining DLC, Stone served as senior vice president of customer experience and innovation at Blue Stream Fiber in Florida. She also served in customer service leadership roles at Lumos, Alorica and AT&T. Stone holds a Bachelor of Business Administration from St. Andrews Presbyterian College in Laurinburg, North Carolina and is a Certified Customer Experience Professional by the Customer Experience Professionals Association.

Christine Waller

VP, Comm. & Corporate Responsibility

Christine Waller joined Duquesne Light Company (DLC) in December 2021 as the vice president of communications; environmental, social and governance (ESG); and corporate giving. She is responsible for leading the company’s sustainability- and community-focused communication and outreach strategy. Before joining DLC, Waller was the head of corporate social responsibility (CSR) at Viatris, a multi-billion-dollar, Pittsburgh-area pharmaceutical company. In this role, she launched the company’s CSR strategy and oversaw ESG, corporate giving and community and stakeholder outreach. Prior to that, Waller led global communications at Mylan while the company merged with a branch of Pfizer to form Viatris. A Pittsburgh native, Waller has both a bachelor’s degree in English and communication and a master’s in public and international affairs from the University of Pittsburgh. She is also fluent in Spanish and spent several years as a national news correspondent for a leading broadcast network in Mexico.