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Omaha South High School Alumni Association
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GEORGE MORTENSEN

Class of 1974
​Inducted in 2025
George was inducted into the SHSAA Hall of Fame in 2025.

George graduated from South in 1974.  He attended Creighton University where he earned a B.S. degree in Physics and Mathematics in May 1978.

George then attended Naval Officer Candidate School in Newport, Rhode Island and was commissioned as an Ensign in October 1978.  He attended Nuclear Power School and NPTU Idaho Falls, and Navy Submarine Officer Basic School in New London, Connecticut.  And then was assigned to submarine USS Scamp (SSN 588) undergoing overhaul in Portsmouth, Virginia.  From June 1980 to January 1983, he served as Communications Officer (twice), Chemistry & Radiological Controls Officer, and Machinery Division Officer.  He received his gold dolphins (submarine qualification) in December 1981.  In January 1983, Lieutenant Mortensen resigned from active duty and then remained in the Navy Reserves for 6 years.

In February 1983, George started civilian employment at the Oyster Creek Nuclear Generating Station (New Jersey) as a Shift Technical Advisor (STA).  During this time, he also completed licensing as a Senior Reactor Operator (SRO) and qualification as Independent Safety Assessment Engineer.
In February 1988, he accepted employment at the Institute of Nuclear Power Operations (INPO), located in Atlanta, Georgia.  Until 2015, he worked in various positions at INPO including assignments in Events Analysis, Human Performance, Emergency Preparedness, Training and Qualifications, Operations, and Industry & External Relations.  He received qualifications as an evaluator in each of these areas, and led or participated in over 400 assistance visits, 100 plant evaluations/peer reviews, and observed over 300 reactor startups or shutdowns world-wide.  In 1998, he received a Senior Reactor Operator (SRO) certification during a 10-month assignment at Palo Verde Nuclear Generating Station (Arizona).

For the last ten years of his INPO career, George was the External Relations Program Manager, where he performed duties as the INPO liaison with the U.S. Nuclear Regulatory Commission, U. S. Department of Energy, nuclear insurance companies (American Nuclear Insurers and Nuclear Electric Insurance Limited), Nuclear Energy Institute (NEI), the Electric Power Research Institute (EPRI), and the International Atomic Energy Agency (IAEA).

In May 2015, George retired to conduct charitable endeavors with the American Red Cross, American Cancer Society, Humane Society of Cobb County, Cobb County Senior Services, and MUST Ministries.  In addition, he has taught nuclear physics and electricity modules at Marietta High School.  After retirement, he has conducted six leadership seminars for shift managers at various international locations for the World Association for Nuclear Operators (WANO).
​
George is married to the former Ms. Denise Condon, of Groton, Connecticut, and has one son, Tanner.  They live in Marietta, Georgia.

Lifetime Notables:
  • United States Naval Officer
  • Qualified in Submarines (Gold Dolphins)
  • Senior Reactor Operator License achieved at 2 United States nuclear power stations
  • Author of INPO Significant Operating Experience Report 91-01 (Conduct of Infrequently Performed Tests or Evolutions) and Guidelines for Effective Reactivity Management – both remain the world-wide subject standard
  • Traveled >30,000 miles underwater, and was Officer of the Deck during transit through the Panama Canal and Strait of Gibraltar
  • Cancer survivor
  • >250 Platelet or Blood donations with the Red Cross, more than 500 rides for ACS cancer treatment patients
  • Have traveled to more than 39 countries
  • Established the Mortensen 20,000 Leagues Physics Scholarship at Creighton University
  • Attended a “perfect” ML Baseball game in 2004
  • Has participated in many unique lifetime activities:
    • Parachute jump from 10,000 feet
    • Ascent up a 100-foot column of water
    • Balloon rides in New Mexico
    • Hovercraft across the English Channel
    • White water rafting trips through the Grand Canyon, Royal Gorge, Snake River, and White Salmon River
    • Climbed up the nearby Weyna Picchu mountain while at Machu Picchu
    • In China for their New Year, stood on the Great Wall, and toured the Forbidden City
    • Crossed the Pacific on nephew’s Navy Cruiser (USS Bunker Hill), and gave the guest speech at his change of command ceremony (USS Gridley)
    • Flown more than 2 million miles and visited 39 countries for business and personal trips
Omaha South High School Alumni Association   |   5082 S. 107th St.   |   Omaha, NE 68127   |   402-738-9493
  • HOME
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