The expertise to create solutions that can pay for themselves

EXCEL consultants have the background, contacts and up-to-date expertise to come in and implement initiatives that can drive faster approvals, fewer problems, and new ways to save money, increase safety and raise—and sustain—performance.

Donald R. Hoffman

President and CEO

Mr. Hoffman is an accomplish nuclear professional and has almost 50 years of experience in Nuclear Operations, Engineering, Licensing, and Regulation. Mr. Hoffman founded EXCEL Services Corporation in 1985 to provide specialized professional services to nuclear utilities in licensing, engineering, operations, technical, and regulatory support. EXCEL has become recognized as a premier worldwide supplier of these support services and has been enhancing safety, improving performance, and reducing costs in the nuclear industry for more than three decades.

Mr. Hoffman is very active in the nuclear industry and is a Fellow and Past President of the American Nuclear Society.

Mr. Hoffman has served in various positions supporting US and International nuclear facility clients and has been the Executive Sponsors and Executive Project Manager for multiple projects including:

  • 24-Month Fuel Cycle Extension
  • Improved Technical Specification Conversion and Upgrade
  • Extended Power Uprate
  • License Renewal and Subsequent License Renewal
  • Design Basis Reconstitution
  • Combined Operating License
  • Design Certification

Prior to starting EXCEL, Mr. Hoffman served in the US Nuclear Submarine Navy as a senior reactor operator and engineering officer and as a Manager and lead reviewer at the Nuclear Regulatory Commission reviewing License Applications and Technical Specifications.


James Andersen

Vice President, Business Development; Vice President, Critical Infrastructure Protection

Mr. Andersen has more than 35 years of experience in executive and management levels in nuclear safety, security, emergency preparedness, and incident response. His career included 27 years with the Nuclear Regulatory Commission (NRC), culminating in service as the Director, Division of Physical and Cyber Security Policy. In his current position with EXCEL, he is responsible for identifying new business opportunities and assisting the President & CEO in building and driving a strategy and business plan to position EXCEL for long-term growth. Mr. Andersen is also responsible for assisting clients with the design, implementation, and evaluation of their physical and cyber security protection systems. The consulting services include effectiveness and efficiency reviews, preparation for oversight agencies’ inspection activities, performance tests to identify areas for improvement, and corrective action programs to remedy weaknesses and/or areas of noncompliance with relevant requirements.

Mr. Andersen has considerable experience with the NRC’s licensing and oversight processes. Prior to the NRC, Mr. Andersen served as a nuclear submarine officer and has extensive operational experience aboard a nuclear-powered submarine. He attained formal certification from the Director of the Naval Reactors Program as a Qualified Nuclear Engineering Officer.


Eddie Grant

Vice President, New Reactor/Technology Solutions

Mr. Grant is the Vice President of New Build for EXCEL. He has over 10 years experience working with Part 52 licensing applications such as the NuStart AP1000 Bellefonte (and Vogtle) Combined License (COL) applications and the Exelon Generating Company (EGC) Early Site Permit (ESP) application. Mr. Grant was the lead licensing engineer for each of the successful first of kind application submittals and ultimate approvals by the NRC, resulting in the first ever issued Part 52 ESP and first ever issued Part 52 COL. These roles included direct interaction with the Nuclear Regulatory Commission (NRC), interaction with the reactor vendor design certification, presentation of the applications to ACRS and ASLB and representation of the projects on the Nuclear Energy Institute (NEI) industry task forces related to the ESP and the COL development.

Mr. Grant has been gathering nuclear plant licensing and regulatory interface experience since earning a nuclear engineering degree in 1978, including previous development of successful Part 50 license applications for River Bend Station and Limerick Generating Station, Unit 2, development of numerous amendment requests for various operating stations, program enhancements at various operating stations, support of application development for a Part 70 new fuel enrichment facility and application development for the license renewal of Darlington Generating Station in Canada.

Mr. Grant joined EXCEL in 1988 after a successful climb from licensing engineer to Director of Licensing at River Bend Station.

Neil Haggerty

Vice President of Innovative Solutions

Mr. Haggerty is an experienced mechanical and environmental engineer with over 30 years of experience in the domestic commercial nuclear reactor industry. He has significant experience in the 10 CFR Part 52 new reactor licensing process and the associated environmental reviews, review of nuclear fuel cycle licensing actions, 10 CFR Part 50 operating reactor regulatory affairs, licensing renewal and project and contract management.

Mr. Haggerty was responsible for developing, reviewing, and defending sections of a combined license (COL) application (COLA) for the AP1000 reference plant, and managed the development of the AP1000 reference COL Applicant’s Environmental Report, as well as the nuclear security aspects of reference COL Applicant’s COLA. He has written and received approval of numerous Part 52 COL License Amendment Requests (LARs), AP1000 Design Certification Rule exemption requests, and licensing position documents to support construction and future operation of the client’s two-unit AP1000 nuclear facility. Prior to supporting the industry’s Part 52 licensing activities, Mr. Haggerty provided support and guidance in updating the NUREG-0800 Standard Review Plan, while serving as a Senior Project Manager with the U.S. Nuclear Regulatory Commission.

Mr. Haggerty also has experience in developing, reviewing, and supporting review of Operating License Renewal Applications, including the associated Environmental Reports, and the operating programs required to satisfy the license renewal aging management program requirements. Experience includes projects at Babcock and Wilcox, Combustion Engineering, and Westinghouse Pressurized Water Reactors, and commercial uranium fuel cycle facilities.

Brian D. Mann

Vice President, Licensing

Mr. Mann has 30 years of experience in Regulatory Affairs. He has provided support to the PWROG Licensing Committee and BWROG Licensing Committee for over two decades. He manages the Technical Specifications Task Force (TSTF) (a joint activity of the PWROG, BWROG, and the AP1000 Owners Group), and is the principle author of over 550 TSTF travelers, including all of the risk-informed travelers. Mr. Mann acts as the point-of-contact for the industry on Technical Specifications-related issues.

Mr. Mann believes strongly in training the next generation of Regulatory Affairs professionals. He provides regulatory support and training to EXCEL’s domestic and international clients and has created hundreds of regulatory submittals. He created Nukapedia, an online resource for Regulatory Affairs information. Mr. Mann is the principle author of the Writer's Guide for Plant-Specific Improved Technical Specifications, and led the team that revised NEI 06-02, "License Amendment Request Guidelines," as part of an initiative to standardize the license amendment process.

Mr. Mann serves on a number of NEI committees, such as the Regulatory Issues Task Force and the Risk Informed Technical Specifications Task Force. He is a frequent speaker at the NRC's Regulatory Information Conference, the American Nuclear Society's Utility Working Conference, and the NEI Regulatory Affairs Forum.

Before joining EXCEL in 1997, Mr. Mann held a number of positions in Management, Licensing, Project Management, and Reactor Engineering at several utilities, where he developed a number of first-of-a-kind approaches. Mr. Mann was a utility member of the TSTF and its predecessor organizations since their inception in 1993. He was a member of the U.S. Council on Energy Awareness’ “Energy America” speakers' program and traveled the country addressing energy issues to an estimated audience of 1.5 million persons.

Mark Satorius

Vice President, Compliance

Mr. Satorius is the Vice President of Compliance, at EXCEL and is responsible for leading the EXCEL service offering that uses the highest levels of industry expertise to create solutions for clients’ most critical and difficult regulatory challenges. This service offering provides a talented team of former industry and regulatory executives that bring unmatched knowledge and experience to create solutions for clients with critical and difficult regulatory and legal challenges. EXCEL has developed a Nuclear Safety Culture Assessments program that applies the Nuclear Safety Culture traits of NRC NUREG-2165 and INPO 12-012; and, the principles of High Reliability Organizations. By emphasizing small group data gathering interviews and then using systematic and transparent qualitative analysis, EXCEL identifies common themes and patterns to develop cultural insights that bring solutions to safety culture problems.

Additionally, EXCEL provides post NRC inspection assistance to advise senior client management in strengthening NRC’s confidence in the client’s safety and security performance (often referred to as “regulatory standing”) and in improving the client’s relationship with the NRC senior leader in regional offices and selected program offices at the NRC headquarters. EXCEL also has a broad bench of talent with extensive experience in many areas, that give clients options to select experts with varied skill sets to address the precise problem that exists.

Prior to joining EXCEL, Mr. Satorius spent 26 years at the U.S. Nuclear Regulatory Commission (NRC), where he served in several senior leadership positions, including Administrator, NRC Region III and as the Executive Director for Operations. Mr. Satorius has testified before Congressional Committees and at NRC Commission Meetings on topics such as safety and security issues at licensed nuclear facilities.

A graduate of the United States Naval Academy, Mr. Satorius was a nuclear submarine officer with extensive operational experience aboard a nuclear-powered submarines. He attained formal certification from the Director of the Naval Reactors Program as a Qualified Nuclear Engineering Officer.

Raymond J. Schiele

Vice President, Special Projects

Mr. Schiele is a Senior Licensing Engineer and an accomplished nuclear professional. His professional resume includes 45 years of Nuclear Operations, Engineering and Licensing experience, including service in the United States Navy, commercial nuclear power plant experience as a Senior Reactor Operator/Shift Manager, and as a Senior Licensing Engineer/Project Manager for EXCEL.

Mr. Schiele is a results-driven professional with over 22 successful Improved Technical Specification Conversion projects completed. He has extensive licensing experience working with both the NRC and client companies in resolving technical and regulatory issues. As such, he has become an expert in implementing NRC's rules and regulation. He has successfully managed projects as diverse as Improved Technical Specifications Conversions, Design Basis Reconstitution, FSAR Upgrades, 10CFR50.67 AST Support, Cyber Security LAR Support, Appendix R LAR Inspection Support, Root Cause Assessments and NRC 95-001 Inspection Support. Mr. Schiele is currently supporting Tennessee Valley Authority in the Clinch River Small Modular Reactor Early Site Permit Application Licensing effort.