James Felty is a Senior Nuclear Engineer and Program Manager at Sigma Science Inc. In this capacity, he is responsible for the Company’s National Nuclear Security Administration (NNSA) Contracts at the NNSA Los Alamos Project Management Office and the Los Alamos Field Office, and the Sandia National Laboratories (SNL) in Albuquerque, New Mexico. In addition, he is the Sigma Science Quality Assurance Manager.
He joined Sigma Science in August 2013 after leaving Leidos where he served as the senior nuclear criticality safety advisor to the Department of Energy (DOE) Nuclear Criticality Safety Program Manager for over 18 years. Prior to that, Felty retired from the United States Army where he served as a field artillery officer in the United States and the Republic of South Korea. He later served in his secondary specialty as a United States Nuclear Regulatory Commission (NRC) licensed Senior Reactor Operator for a Department of Defense (DoD) one-megawatt pulsing TRIGA research reactor and Reactor Operations Supervisor, and as a nuclear weapons research and development associate at DOE Headquarters in Washington, DC.
Felty is a graduate of the United States Military Academy with a Bachelor of Science in General Engineering, and the Air Force Institute of Technology with a Master of Science in Nuclear Engineering.
Gary Kellund is a Senior Nuclear Engineer and Program Manager for Sigma Science Inc. He is a well-rounded nuclear engineer with over 30 years of experience in the areas of safety basis, facility management and operations, engineering, plant licensing and project management at Nuclear Regulatory Commission (NRC) and Department of Energy (DOE) regulated facilities. He has written numerous documented safety analyses (DSAs), technical safety requirements (TSRs), justifications for continued operations (JCOs), and Unreviewed Safety Question Determinations (USQDs) at both Los Alamos National Laboratory and Rocky Flats.
Kellund has a Bachelor of Science in Nuclear Engineering from the University of California-Berkeley, and graduated from the U.S. Naval Reactors Nuclear Power School.
Andrew (Andy) Smith is the Sigma Science Inc. Program Manager for Oak Ridge. Andy has a degree in Business Administration and has over 40 years of experience in the nuclear industry serving in technical, business development and management roles with US Navy, Westinghouse in Richland, Washington, Nuclear Fuel Services in Erwin, Tennessee, Duratek, WESKEM, Pro2Serve and others in Oak Ridge. He joined Sigma Science in November, 2016.
Kimberly Pena is the Chief Financial Officer for Sigma Science. She has more than 27 years of experience in financial, accounting, and regulatory compliance, for a variety of public and private emerging growth companies as well as large multinational corporations in various industries.
Kimberly graduated with a Bachelors of Business Administration degree, with a concentration in Accounting, from the University of New Mexico’s Anderson School of Management, and was inducted into the Anderson School of Management Hall of Fame in 2013. She was also a nominee in the San Diego Business Journal’s 9th Annual Women Who Mean Business Award. Kimberly also serves as the Secretary on the University of New Mexico Foundation Board of Trustees and a lector and Finance Committee member for the Nativity of the Blessed Virgin Mary catholic church.
She and her mother, Corine, fund an annual scholarship for students of the Anderson School of Management and are currently working towards a permanent endowment. Fun Facts: Kimberly and her mother owned and operated a breakfast/lunch cafe for several years.
Erlinda Silva has joined SSI as our new Contracts Manager. She has over 25 years of experience in Contract, Proposal, Procurement, and Program Management. She has a Bachelor of Art in Business Administration, and an M.B.A, both from New Mexico Highlands University, and she is Six Sigma Certified (Green Belt). One of her many career accomplishments was receiving the “Distinguished Member of Laboratory Staff, ” an award given to only 5% of the Sandia Staff Population.
Renee Robinson currently supports Business Development activities, and has recently begun supporting National Environmental Policy Act (NEPA) activities at the National Nuclear Security Administration (NNSA) Los Alamos Field Office. Prior to Sigma Science, Robinson had internships with the NNSA and the U.S. Department of the Interior, and she performed a water policy research internship with a college professor.
In 2013, she received a Bachelor of Science in Environmental Science and Policy from Saint Edward’s University in Austin, Texas. Since 2014, Robinson has been taking engineering courses with the dream of pursuing a master’s degree in engineering, and in 2016 she began taking graduate courses in Industrial Engineering. In addition, she earned a Certificate of Completion in Project Management from Central New Mexico Community College in Spring 2017.
Erika Gorman manages the Los Alamos Sigma Science Offices. She is responsible for document control, records management.
Erika Gorman manages the Los Alamos Sigma Science Offices. She is responsible for document control, records management, technical writing and editing, and administering the quality assurance program. She is also the Facility Security Officer for Sigma Science Inc.
Her background is in Emergency Management and Security, having previously worked for Los Alamos National Laboratory’s Security and Emergency Operations Division. She has a strong history in development of emergency management programs for nuclear facilities, as well as hands-on security experience for TA-55. She has extensive experience developing, writing, and implementing both emergency management and security plans, and training of personnel in these programs.
She is a graduate of the University of New Mexico.
Ervina Castillo, a New Mexico Native from the Navajo Nation, has joined SSI as the new Executive Assistant. Ms. Castillo has a Master’s degree from the University of New Mexico and 6.5 years of experience in government contracting as an entrepreneur. She is a board member for the American Indian Chamber of Commerce. Ms. Castillo co-authored a book, “Indigenous Women Entrepreneurs of New Mexico: Surpassing Barriers and Stereotypes.”