Leadership

Dan Sumner is Interim Chief Executive Officer (CEO) at Westinghouse Electric Company.

Mr. Sumner has 15 years of experience at Westinghouse. Previously as President of the Operating Plant Services business, Mr. Sumner led the strategic development and delivery of our products and services to the global nuclear operating fleet. From 2017 to 2023, he served as Westinghouse Chief Financial Officer and Executive Vice President of Global Finance & Strategy and was instrumental in the strategic repositioning of the company. Mr. Sumner has also held key financial, strategic and transformational leadership roles such as Vice President of Finance, Chief Compliance Officer, Head of Enterprise Risk Management, and Director of Corporate Audit.

Prior to his tenure at Westinghouse, Mr. Sumner worked for Alcoa as a member of the corporate audit staff. He began his career in the banking industry.

Mr. Sumner holds a bachelor’s degree in business management from Grove City College. He also graduated from the University of Pittsburgh’s Katz School of Business with a Master of Business Administration (MBA) and Harvard Business School’s Advanced Management Program. Additionally, Mr. Sumner has earned executive certificates from Stanford University and the Massachusetts Institute of Technology (MIT) Sloan School of Management in the areas of leadership, strategic decision making, and risk management.

Jacques Besnainou is an Executive Advisor at Westinghouse Electric Company.

Most recently, he served as the Chief Commercial Officer and led the company’s global commercial strategy to deliver integrated enterprise-wide solutions and deepen customer relationships. He joined Westinghouse in June 2022.

Mr. Besnainou has more than 30 years of experience in the nuclear and energy industries and has held executive leadership roles in France and the United States. At AREVA Group, he led the Back-End Business Group and the growth of the North American business. Previously, he successfully developed and sold Ecobilan, an innovative start-up specializing in life cycle analysis. More recently, Mr. Besnainou was President of Kurion, Inc., and provided executive consulting and strategic counsel across the energy and nuclear industries.

Mr. Besnainou holds a bachelor’s degree in mathematics and engineering from École Polytechnique, along with a master’s in engineering and public policy from École des Mines de Paris, both in France.

Marie Blanc is President of Outage & Maintenance Services at Westinghouse Electric Company. In this role, she leads the delivery of outage, maintenance, inspection, welding and refurbishment services for operating nuclear power plants in the Americas, EMEA and Asia regions.

Ms. Blanc returned to Westinghouse in 2024 – having spent more than 22 years in leadership within field services, fuel engineering, project delivery, procurement & logistics, quality and continuous improvement organizations.

Most recently, she served as Vice President and Managing Director at Xylem with oversight of sales and service operations for Eastern Europe. Earlier in her career, she worked at ABB in engineering and project management.

Ms. Blanc holds a Master’s Degree in Mechanical Engineering from the Lunds Institute of Technology in Sweden with course work from ETH Zurich in Switzerland.

Stephane Cai is President Engineered Solutions. In this role, Mr. Cai leads the development and delivery of innovative technology and solutions for core nuclear steam supply system (NSSS), as well as plant engineering and balance of plant (BOP) to support the performance, optimization and life extension of operating assets across the worldwide nuclear fleet.

Since joining Westinghouse in 2019, Mr. Cai served in multiple senior executive roles, including Executive Vice President of Growth & Transformation, President of Westinghouse Parts, acting President of LTO Training & Resource Solutions and Interim President of Long-Term Operations.

Previously, Mr. Cai worked for Grid Solutions, a division of GE through the acquisition of the Alstom energy businesses, where he held the roles of Vice President High Voltage Products & Global Supply Chain, Vice President Global Regions and, lastly, Vice President Grid Automation.

Prior to these roles, Mr. Cai was with Alstom for 27 years, where he held a series of field services, engineering & product development, project management, business development and business leadership positions of increasing responsibilities. He has held these positions in Alstom’s turbomachines, hydropower, manufacturing & supply chain and grid solutions businesses while residing in France, India, the U.S. and the Middle East.

Mr. Cai is a graduate of the Ecole Centrale Paris, France, with a degree in Mechanical Engineering and a PhD in Fluid Mechanics. He also holds an Executive MBA from HEC Paris, France.

Tarik Choho is Chief Commercial Officer at Westinghouse Electric Company and leads the global commercial strategy to deliver integrated enterprise-wide solutions and deepen customer relationships. In this role, he oversees commercial partnerships and sales – including new plant market development, offer development and commercial contracts – as well as government affairs, communications and strategic marketing.

Most recently he served as President of Nuclear Fuel and led the development and delivery of the nuclear fuel portfolio. Mr. Choho joined Westinghouse in 2019 as President of EMEA Operating Plant Services, where he led sales and delivery for the region’s core business for nuclear operating plant customers.

Previously, Mr. Choho was the Chief Commercial Officer of AREVA Group and led the company’s global marketing and business development activities, as well as their EMEA business. He also held a series of global technical and leadership positions within AREVA’s fuel recycling, nuclear material transportation and storage, fuel engineering and sales, mining and enrichment businesses.

Following his tenure at AREVA, Mr. Choho became a Managing Director and member of the management board of OCP Group, a world leader in phosphate-based fertilizers. While at OCP, Mr. Choho led the company’s commercial strategy and development of group activities worldwide.

Shravan Chopra is Chief Financial Officer (CFO) at Westinghouse Electric Company. In this role, he is responsible for Westinghouse’s global finance, strategy, M&A operations, procurement and information technology services – focusing on further strengthening the company’s financial health to help position the company for continued strategic transformation and growth.

Mr. Chopra joined Westinghouse in 2019 as Vice President of Financial Planning & Analysis (FP&A) and Treasury and has played a key role in enhancing the reporting and business analysis. He was also instrumental in leading numerous capital market and enterprise-level transactions. Prior to joining Westinghouse, Mr. Chopra worked at Exelon Corporation for 18 years and held multiple roles in finance with increasing responsibility. Just prior to leaving Exelon, he was Senior Vice President Finance and Treasurer and was responsible for financial reporting, business planning, shared service finances and ensuring adequate liquidity for the company and its subsidiaries. Earlier in his career, Mr. Chopra led Exelon’s M&A function, where he executed multiple transactions ranging in size from $20 billion to $100 million.

He holds a bachelor’s degree in economics from University of Delhi and a Master of Business Administration from Duke University. Mr. Chopra is also a chartered accountant.

Margaret Cosentino is Executive Vice President, Corporate Affairs at Westinghouse Electric Company. In this role, she is responsible for Westinghouse’s strategic approach to global government relations, public policy, communications, sustainability, as well as the company’s government solutions business.

Ms. Cosentino brings 20 years of experience in global government affairs, international business development and strategy for aerospace, defense and industrial companies. Most recently, Ms. Cosentino was Corporate Director for Policy at Northrop Grumman where she led the execution of the company’s public policy and regulatory portfolios. Ms. Cosentino was previously Vice President, Global Government Affairs for Arconic where she was responsible for advancing the company’s public affairs interests across its international operations and leading its defense business. She has held senior roles at The Cohen Group, a strategic global consultancy, and the Center for Strategic and International Studies, a leading bi-partisan, non-profit think tank in Washington, D.C.

Ms. Cosentino earned a bachelor’s degree in international politics from Georgetown University’s School of Foreign Service (SFS) and a master’s in international economics and strategic studies from Johns Hopkins University School of Advanced International Studies (SAIS).

Justin Johnson is the Chief Legal Officer at Westinghouse Electric Company. In this position, Mr. Johnson oversees all legal and compliance operations for the company’s global businesses.

Mr. Johnson brings 20 years of experience in corporate governance, finance and capital markets, mergers and acquisitions and regulatory compliance for global companies to Westinghouse.

Prior to joining the company, he served as executive vice president, General Counsel and Corporate Secretary at Jacobs – leading a team of legal and insurance professionals to support the company’s global operations, while working closely with senior management and its board of directors. Previously, Mr. Johnson served as senior counsel of Vistra Energy, a Fortune 500 integrated retail and power generation company, and held positions at the law firms of Hogan Lovells, Kaye Scholer (now Arnold & Porter) and Sullivan & Cromwell.

Mr. Johnson has a bachelor’s degree in government from Dartmouth College and a Juris Doctor from Stanford Law School.

Dan Lipman is President, Global Business Initiatives at Westinghouse Electric Company. In this role, he leads global strategic projects in multifaceted geopolitical, diplomatic and commercial situations while providing counsel on the company’s overarching strategy.

Most recently, he served as President of APX Project Development & Partnerships – leading the commercial arrangements, project development and deal execution for our AP1000® Pressurized Water Reactor and derivative technologies across the world.

Mr. Lipman has more than four decades of experience in the nuclear industry. He started at Westinghouse as a field engineer and has held senior roles overseeing sales, the global supply chain, quality, environment, health & safety, information technology, strategy and sustainability functions. From 2005 to 2009, Mr. Lipman led Westinghouse’s new plant business, securing the landmark AP1000 PWR contracts in China and the United States.

Prior to rejoining Westinghouse in 2024, Mr. Lipman served in leadership roles at the Nuclear Energy Institute, which included oversight of nuclear exports, international trade, fuel cycle policy and programs, and policy analysis. He has also been an advisor to the U.S. Department of Energy and U.S. Trade and Development Agency on small reactor development and support to the International Atomic Energy Agency (IAEA) in emerging nuclear countries’ industrial development.

He holds a bachelor’s degree from the University of Rochester’s College of Arts, Sciences and Engineering and master’s degree from John Hopkins University School of Advanced International Studies.

Gavin Liu is President of the Asia Markets at Westinghouse Electric Company. In this role, he fosters strategic relationships with our customers throughout Asia in support of our global businesses. Prior to this role, he was the President of Asia Operating Plant Services business unit where he successfully led business development, sales and delivery for the existing nuclear operating plant customers across Asia.

Previously, Mr. Liu was the Senior Vice President of ABB Group, responsible for the Power System Division in China and the North Asia Region. He joined Westinghouse as part of the ABB CE acquisition in 2000 where he built relationships with customers in China to secure the contracts for the first four AP1000^® nuclear power plant units as Vice President and Managing Director of the Asia Region’s China sub-region.

Mr. Liu brings more than 30 years of experience in the energy industry and began his career in the China Ministry of Electric Power.

Mr. Liu graduated from Tsinghua University with a degree in Thermal Engineering and received his Master of Business Administration (MBA) from Peking University.

As Chief Technology Officer at Westinghouse, Lou Martinez Sancho leads the company’s global research and development portfolio and advances the company’s innovative product and services technology strategy – accelerating advancements in AI, Westinghouse’s AP300™ Small Modular Reactor development and eVinci™ microreactor technology for the space and defense markets.

Dr. Martinez Sancho brings more than 20 years of experience to this role – having worked in senior leadership positions in the energy, biotech, automotive, and architecture, engineering and construction (AEC) industries. Most recently, Dr. Martinez Sancho was Executive Vice President of Strategy and Innovation at Kairos Power, with additional oversight of the Supply & Procurement and Marketing & Communications teams. Previously, she served as the Chief Innovation Officer of Spie Batignolles and Vice President of Global Innovation at Framatome.

Dr. Martinez Sancho graduated from Ramon Llull University in Barcelona, Spain, and obtained Master of Science degrees in Physiology and Biomechanics from Pierre et Marie Curie-Paris VI University, as well as in Human Factors from René Descartes-Paris V University in France. Additionally, Dr. Martinez Sancho holds a doctoral degree in Public Health, Environment and Sustainability from Côte d'Azur University. Dr. Martinez Sancho is also Master Black Belt Lean Six Sigma certified by The Ohio State University in the United States.

Anne Naqi is the Interim Chief Human Resources Officer at Westinghouse Electric Company. In this role, she leads the company’s global human resources strategy and operations including talent management; organizational development, total rewards and the Company’s employee engagement activities.

Ms. Naqi brings more than 30 years of experience in human resources to this role, including three years at Westinghouse serving as Vice President of Global Talent and Director of Human Resources.

Prior to joining Westinghouse in April 2025, Ms. Naqi served as Vice President and Chief Human Resources Officer at Equitrans Midstream Corporation. She also served in human resources leadership roles at U.S. Steel and EQT.

Ms. Naqi received her bachelor’s degree in Communications and Rhetorical Studies from Marquette University and a master’s degree in Industrial and Labor Relations from Loyola University of Chicago.

Luca Oriani is President of APX at Westinghouse Electric Company. In this role, he leads the execution capabilities to deliver new plant projects across the world – including the AP1000® PWR projects and its technology derivatives. He is accountable to oversee these global projects and the supporting supply chain and related engineering and component manufacturing.

Most recently, Dr. Oriani served as President of Westinghouse’s Long-term Operations business – leading the development and delivery of innovative solutions across engineered solutions, instrumentation & controls system, training & resource solutions and parts that support the global operating fleet.

Dr. Oriani has worked at Westinghouse for over 23 years – starting as a senior engineer and advancing to leadership roles in engineering and licensing for operating plants and advanced reactor technology, including the design and completion of the first Westinghouse advanced AP1000 units in China and the United States. He also served as Westinghouse’s Global Chief Engineering Services Officer.

Dr. Oriani holds doctorate and master’s degrees in Nuclear Engineering from Polytechnic University of Milan in Italy.

Adam Silverstein is Executive Vice President, Quality, Environment, Health & Safety at Westinghouse Electric Company. In this role, he leads Westinghouse’s total commitment to safety, including the company’s nuclear safety, industrial safety and quality assurance programs.

Prior to joining Westinghouse in April 2024, Mr. Silverstein was Vice President – Quality at CommScope, an international, wireless telecommunication infrastructure systems supplier. In this role, Silverstein led the quality function for the Outdoor Wireless Networks – Structures and Connectivity sector.

Mr. Silverstein began his career in the automotive industry, working in engineering, design, procurement and program management across Delphi Chassis Systems (USA), GKN Driveline North America Inc., Tower Automotive Inc., and NSK Steering Systems America, Inc.

Mr. Silverstein earned an undergraduate degree in Mechanical Engineering from The University of Rochester and a master’s degree in Engineering Science and Mechanics from The Pennsylvania State University. Additionally, he has also earned a Master of Business Administration (MBA) from the University of Michigan Ross School of Business.

Michael (Mike) Sweeney is an Executive Advisor at Westinghouse Electric Company.

Prior to this role, Mike served as Westinghouse’s Chief Legal Officer from 2011 through 2025 and led all legal and compliance operations of Westinghouse’s global business activities.

Mr. Sweeney joined Westinghouse in 2005 as an Assistant General Counsel for Nuclear Services. Beginning in 2006, Mr. Sweeney gained increasing responsibility within the legal organization and in 2010, was named Vice President and Deputy General Counsel.

Prior to joining Westinghouse, Mr. Sweeney was a partner in the law firm of Pietragallo Gordon Alfano Bosick & Raspanti, LLP (formerly Pietragallo, Bosick and Gordon). His primary focus was on corporate and business matters where he counseled companies on various legal matters including financing operations, strategic initiatives and general corporate matters. In addition, from 1989 to 2000, Mr. Sweeney held positions of increasing responsibility in the Law Department of CBS Corporation (formerly Westinghouse Electric Corporation). His primary focus was on Corporate Governance matters, Securities and Exchange Commission filing requirements for public companies as well as acquisitions and divestitures.

Mr. Sweeney has a bachelor's degree in political science, a Master of Business Administration (MBA) and a Juris Doctor degree, all from the University of Pittsburgh.