Elieen McKenna

Senior Consultant (AdSTM)
Core Competencies: 

More than 35 years experience in nuclear power plant design, licensing and management of engineering staff.  Extensive experience and in-depth knowledge in power plant reactor safety and nuclear regulation.  Areas of expertise in nuclear power reactors include:

  • Licensing project management
  • Rulemaking
  • Nuclear regulation and licensing – Part 50  
  • Part 52 licensing
  • Supervision of engineering and administrative staff
Career Highlights: 
Advanced Systems Technology and Management, Inc. (AdSTM)
2014 - Present

Worked on the NRC Office of International Programs (OIP) International Regulatory Development Partnership (IRDP), providing generic guidance for small countries on the infrastructure requirements for a reactor regulatory program. Delivered training based on the guidance prepared and personal experiences.

U.S Nuclear Regulatory Commission (U.S. NRC)
1978 - 2014

For 4 years, managed a staff of approximately 8 engineers assigned responsibility for project management of design certification amendment. Coordinated the review with staff working on parallel combined license applications referencing this design for interfacing issues. Supported AP1000 rulemaking public comment resolution.  Chaired MDEP AP1000 working group.  Later managed engineers performing reviews of technical specifications and balance of plant (cooling water, steam, load handling, spent fuel pool, etc.)  Scope included all pending Part 52 applications for design certifications and combined licenses. Actively participated in updating and developing draft review standards (similar to Standard Review Plan (SRP) sections) to be used in review of new small modular reactor designs.   

From 1997 - 2007, rulemaking project manager for 10 CFR50.59 rule revision. Also participated as PM for 10CFR50.69 (risk-informed special treatment) and 10CFR50.46 risk-informed LOCA break size. Activities included development of regulatory positions in the form of, rulemaking documents, coordination with engineering, legal and other components of the agency on these products.  Presented to the ACRS and the Commission. As rulemaking section chief, oversaw rulemakings or Part 73 (physical security), Part 26 (fitness for duty), 10CR50.48 (NFPA fire protection) and others.  Team lead for Part 52 revisions issued in 2007.

From 1995-97, conducted events assessment reviews and generic issue tracking.  Participated in licensing lessons-learned involving design basis, FSAR updating operability determinations and use of 50.59.  Products included regulatory guides. Participated in enforcement action on numerous occasions to address negative inspection findings related to 50.59.  

Commissioner assistant for 3 years (1992-5). Reviewed Commission papers and provided policy advice to Commissioner.  Coordinated with other offices to develop policy direction for staff in SRMs based on votes.  Supported briefings and site visits to regulated facilities and foreign sites.

From 1988-1992, section chief supervising reviews of maintenance rule development, quality assurance programs, SALP, and TS administrative controls.

In sequence, Licensing project manager for three operating plants including restart of Sequoyah 2 from multi-year outage. 

Project manager for Systematic Evaluation Program reviews of older operating plants against current requirements to develop needed improvements. Began at NRC as reactor systems engineer reviewing license amendments.

Professional Development and Achievements: 

NRC Distinguished Service Award, 1999
NRC Meritorious Award, 1987


Bettis Atomic Power Laboratory 1974-1978
Bachelor of Arts in Mathematics, Mount Holyoke College, 1974