Holtec Decommissioning International (HDI) is a wholly owned subsidiary of Holtec International headquartered at the Krishna P. Singh Technology Campus, Camden, NJ. HDI functions as the licensed operator for Holtec owned nuclear power plants. HDI provides the licensee oversight of Comprehensive Decommissioning International (CDI), Holtec and SNC-Lavalin’s jointly owned decommissioning general contractor. HDI additionally, manages the decommissioning trust fund and other owner interests, such as licensing strategy, insurance, land and government interface.

Senior Executive Leadership

Pierre Paul Oneid

President & Chief Nuclear Officer

Mr. Pierre Paul Oneid is the Senior Vice President of Holtec International, and President of Holtec Decommissioning International (HDI). Mr. Oneid earned an Executive Master of Business Administration from Queens University in Canada in 1998 and a B.A. in Mechanical Engineering from the University of Ottawa, Canada in 1981. Mr. Oneid is a Professional Engineer with thirty-eight years of experience in the Nuclear Industry, including twelve years in mechanical and structural design, eight years in Business Development, and fourteen years in Executive Positions. He is a member of NEI, Nuclear Strategic Initiative Advisory Committee (NSIAC), and NEI, Suppliers Advisory Committee (SAC).

Mr. Oneid is the corporate executive responsible for the Nuclear Power Division, and the Heat Transfer Division. Mr. Oneid views himself as Holtec’s transformation executive with the mission to imbue the company with a “Customer First Customer Foremost” ethos through which he seeks to deepen the company’s relationships with its clients using a core group of the company’s personnel dedicated to strengthening service and responsiveness. He also serves as the Chairman of the Holtec International’s Executive Committee.

Pamela B. Cowan

Senior Vice President & Chief Operating Officer

Pam Cowan is the Senior Vice President of Finance & Regulatory Affairs of Holtec International and a member of Holtec International’s Executive Committee. She is also the Senior Vice President and Chief Operating Officer of Holtec Decommissioning International (HDI) and a member of the Board of Directors of Comprehensive Decommissioning International (CDI), a decommissioning general contractor, jointly owned by Holtec and SNC-Lavalin.

Pam has over 25 years of commercial nuclear power experience and came to Holtec from the Nuclear Energy Institute, where she was Vice President of Regulatory Affairs and Nuclear Generation. Most of her career has been spent at commercial nuclear power plants, where she has held senior leadership roles in decommissioning, nuclear fuels, licensing, work management, engineering and nuclear oversight. Prior to these roles, Pam held a senior reactor operator (SRO) license and was on-shift as a supervisor in the Salem Nuclear Power Plant control room. She started her career as an engineer at Westinghouse performing thermal hydraulic analyses for nuclear power reactors.

In the areas of Decommissioning and Spent Fuel Management specifically, Pam previously held roles as Senior Director of Decommissioning and Director of Used Fuel and Decommissioning for the Exelon fleet, where she led development of the Exelon management model for decommissioning used in preparation for the Oyster Creek decommissioning. Additional responsibilities included oversight of the Zion decommissioning in accordance with the Asset Sale Agreement between Exelon and Energy Solutions, decommissioning activities of Peach Bottom Unit 1 and Dresden Unit 1, decommissioning trust fund NRC reporting and DOE used fuel settlement agreement annual reporting for reimbursement. In support of broader industry initiatives, Pam led the NEI Decommissioning Rulemaking effort, was a steering committee member of the Decommissioning Plant Coalition and served as Vice-Chair of the EPRI Spent Fuel and High-Level Waste Technical Advisory Committee.

Pam holds a Bachelor’s degree in Nuclear Engineering from Georgia Tech, a Master’s degree in Engineering Management from Drexel University and completed the INPO Senior Nuclear Plant Manager Course.

Andrea Sterdis

Vice President of Regulatory and Environmental Affairs

Andrea Sterdis is the HDI Vice President of Regulatory and Environmental Affairs.  In this role she leads the regulatory, licensing and environmental programs for HDI’s decommissioning fleet maintaining fleet focus on regulatory compliance with the site NRC-issued license as well as federal, state and local regulations, standards and permits.  Andrea is positioned to drive effective regulatory compliance across the fleet through performance improvement, best practices and lessons-learned in the decommissioning licensing and environmental areas.  Her experience drives HDI’s uncompromising commitment to regulatory compliance and contributes to maintaining a strong nuclear safety culture across the fleet. 
Previously Andrea held the position of Comprehensive Decommissioning International (CDI) VP of Regulatory, Environmental, Quality and Safety. In that role she developed and implemented the CDI regulatory, licensing and environmental programs and supporting infrastructure.  Her systematic approach provides a strong, programmatic platform for maintaining compliance with federal, state and local regulations and standards.  Andrea also has been the Holtec lead for the development, submittal and licensing acceptance of the Oyster Creek and Pilgrim License Transfer Applications.  She led the development and submittal of the HDI revised Post-Shutdown Decommissioning Activities Reports; Site-specific Decommissioning Cost Estimates; and the HDI requests for exemptions to use Nuclear Decommissioning Trust Fund monies to cover the costs of Spent Fuel Management and Site Restoration activities. These HDI submittals support the Pilgrim and Oyster Creek LTA’s.  
Andrea has 38 years of experience in the nuclear power industry.  She has held positions of increasing leadership responsibilities for Westinghouse, TVA, Southern California Edison, SCANA, Atkins Energy/SNC-Lavalin and CDI. Her leadership roles have included Senior positions in regulatory affairs where she was responsible for operating plant licensing; AP600 and AP1000 design certification and COL licensing; SMR licensing; and decommissioning plant licensing and environmental compliance.  She also held leadership roles in new plant, operating plant and I&C engineering organizations.  Andrea’s experience and her dedication are key to the development of Holtec’s fleet approach to Decommissioning. Andrea brings proven leadership for the successful development and execution of the HDI’s regulatory, licensing and environmental process.  

Brian Sullivan

Brian R. Sullivan

Site Vice President, Pilgrim Nuclear Power Station

Brian R. Sullivan was named Site Vice President for Holtec Decommissioning International upon finalization of the sale of Pilgrim Nuclear Power Station to Holtec in August of 2019. Prior to this, Brian was the Site Vice President under Entergy of Pilgrim Nuclear Power Station.  He was responsible for the plant’s safe operation and leading the return to Column 1 of the NRC Action Matrix prior to the plant’s permanent shutdown on May 31, 2019. 

Prior to returning to Pilgrim, he was Site V.P. at James A. FitzPatrick Nuclear Power Plant from November, 2014 until March, 2017.  As site vice president, Sullivan was responsible for safe and efficient plant operation including the direction, management, performance, and profitability of the plant and its supporting facilities.

Sullivan joined FitzPatrick as the General Manager Plant Operations in March of 2010.  As GMPO, Brian was responsible for the safe and reliable operation of the plant as well as maintenance, work and outage management, radiation protection, chemistry, industrial safety and human performance completing two (2) breaker to breaker runs.

Brian’s career at Entergy began in July 1999 as a Control Room Supervisor. He later served in the roles of Shift Superintendent, Assistant Operations Manager, Outage Manager, Programs and Components Engineering Manager, Systems Engineering Manager and as Director of Engineering at the Pilgrim Nuclear Station. Prior to his career with Entergy, Brian held various other senior positions at Pilgrim Nuclear Station when the plant was owned and operated by Boston Edison. 

Brian holds a Bachelor of Science degree in Marine Engineering from the Massachusetts Maritime Academy.  He formerly held a Senior Reactor Operator License, completed the INPO Senior Plant Managers Course, and held a United States Coast Guard License as a Marine Engineer.

Jeff Dostal

Jeff Dostal

Site Vice President, Oyster Creek Nuclear Generating Station

Jeff Dostal was named Site Vice President for Holtec Decommissioning International upon finalization of the sale of Oyster Creek Nuclear Generating Station to Holtec in July of 2019. He is responsible for the safe and efficient operation of spent fuel storage systems as well as decommissioning efforts. Prior to this, Jeff was the Director of Site Decommissioning / Plant Manager under Exelon Nuclear.  He was responsible for the development of the decommissioning management model, regulatory submittals, and ensuring the plant’s safe operation while coordinating an efficient transition into decommissioning.

Prior to Jeff joining decommissioning efforts he was the site Plant Manager, responsible for the day to day safe and efficient plant operation including as well as maintenance, work and outage management, radiation protection, chemistry, industrial safety and human performance, as well as performance of the plants supporting facilities.

Dostal joined Oyster Creek in 1983 as a Nuclear Fuels Engineer and has held Director and leadership roles in the major departments on site including Operations, Maintenance, and Engineering.  Jeff also held positions as Control Room Shift Manager, Shift Operations Superintendent, On Shift Engineer, Outage Manager, Rad Protection / Waste Engineer. 

Jeff graduated with a Bachelor of Engineering degree in Nuclear Engineering from the New York Maritime Academy.  He has completed the project manager certification program from Villanova University and the INPO Senior Plant Managers Course. Jeff has held an active Senior Reactor Operator License, a United States Coast Guard License as a Marine Engineer, a United States Coast Guard Captains License, as well as stationery Boiler and refrigeration licenses from the State of New Jersey.