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John Darrell Bess Email & Phone Number

Sr. Project Engineer @ J Foster & Associates, LLC - JFA at J Foster & Associates (JFA)
Location: Idaho Falls, Idaho, United States 8 work roles 3 schools
4 phones found area 432, 915, and 559 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Direct phone (432) ***-****
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Current company
Role
Sr. Project Engineer @ J Foster & Associates, LLC - JFA
Location
Idaho Falls, Idaho, United States

Who is John Darrell Bess? Overview

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Quick answer

John Darrell Bess is listed as Sr. Project Engineer @ J Foster & Associates, LLC - JFA at J Foster & Associates (JFA), based in Idaho Falls, Idaho, United States. AeroLeads shows phone signal with area code 432, 915, 559 and a matched LinkedIn profile for John Darrell Bess.

John Darrell Bess previously worked as Sr. Project Engineer at J Foster & Associates (Jfa) and Consultant at Oecd Nuclear Energy Agency. John Darrell Bess holds Phd, Nuclear Engineering from University Of Utah.

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J Foster & Associates (JFA)

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Profile bio

About John Darrell Bess

Dedicated, industrious reactor physicist experienced in computational modeling and simulation, enabling development and evaluation of nuclear systems supporting benchmark evaluation and applied technology. Skilled in team operations and management with prior laboratory and reactor operation experience.

Listed skills include Nuclear Engineering, Nuclear, Reactor, Simulations, and 36 others.

Current workplace

John Darrell Bess's current company

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J Foster & Associates (JFA)
J Foster & Associates (Jfa)
Sr. Project Engineer @ J Foster & Associates, LLC - JFA
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8 roles

John Darrell Bess work experience

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Sr. Project Engineer

Current

Idaho Falls, Idaho, Us

Engaged in reactor physics analysis, evaluation, and licensing activities supporting Small Modular Reactor (SMR) and microreactor design, development, and deployment. Supporting benchmark activities enabling evaluation of modern criticality safety experiments for validation of nuclear codes, data, and methods. Involved in ANSI/ANS-19 reactor physics standards development.JFoster & Associates (JFA) specializes in providing engineering, environmental, and construction services to government and commercial customers. Our staff have over 200+ years combined experience in the energy and environmental industries. We are a certified 8(a) company and a certified DBE. We are also a WOSB. Headquartered in Idaho Falls, we have offices in Boise, Pocatello, Richland WA, and Chattanooga TN.https://www.jfaidaho.com/

Jan 2022 - Present

Consultant

Boulogne-Billancourt, Fr

Outgoing Chairman of International Benchmark Projects, International Reactor Physics Experiment Evaluation Project (IRPhEP) and the International Criticality Safety Benchmark Evaluation Project (ICSBEP), supporting validation of contemporary nuclear data and computational simulation of nuclear reactor systems. Focus upon completion of current annual handbook development and enable leadership transition to new Chair and Vice Chair positions for each of the projects.

Dec 2021 - Sep 2023

Distinguished Researcher

Idaho Falls, Id, Us

Chairman of International Benchmarking Programs, International Reactor Physics Experiment Evaluation Project (IRPhEP) and the International Criticality Safety Benchmark Evaluation Project (ICSBEP), supporting validation of contemporary nuclear data and computational simulation of nuclear reactor systems. Provide nuclear systems design and analysis support for the Transient Reactor Test Facility (TREAT). Technical Lead for the IRPhEP and ICSBEP to evaluate experimental data in support of computational validation and refinement of integral nuclear data. Experience includes the Fast Flux Test Facility (FFTF), High Temperature Engineering Test Reactor (HTTR), HTR-PROTEUS, the Neutron Radiography (NRAD) TRIGA Reactor, and various criticality experiments. Additional service provided to support R&D for advanced terrestrial and space reactors, investigation of subcriticality measurement methods, and mentorship of participants in the benchmark programs.

May 2008 - Nov 2021

Research Scientist

Center For Space Nuclear Research

Managed an interdisciplinary team of interns researching advanced radioisotopic power sources and unmanned aerial vehicles for space applications. Performed reactor design analyses for various space power systems and participated in criticality benchmark efforts for the ICSBEP and IRPhEP. Participated in the Idaho Falls Model Rocket Club.Semper Lucidus

May 2007 - May 2008

Graduate Research Assistant

Salt Lake City, Utah, Us

Learned TRIGA reactor operations, maintenance, and safety as a licensed Senior Reactor Operator. Participated in quality assurance project for Joint Coordinating Committee for Radiation Effects Research (JCCRER) Russian dosimetry programs. Maintained laboratory equipment for radiochemical analysis. Trained in irradiation procedures for electronic components testing. Developed and taught nuclear engineering curriculum.

May 2003 - May 2007

Undergraduate Lab Technician

Salt Lake City, Utah, Us

Learned TRIGA reactor operations, maintenance, and safety. Participated in quality assurance project for Joint Coordinating Committee for Radiation Effects Research (JCCRER) Russian dosimetry programs. Maintained laboratory equipment for radiochemical analysis. Trained in fission track analysis for dose reconstruction and irradiation procedures for electronic components testing.

Apr 2000 - May 2003

Graduate Fellow

Center For Space Nuclear Research

Served as lead for a team of student engineers performing a feasibility study for the application of nuclear thermal rocket propulsion to deliver payload to the lunar surface in support of a moon base. Participated in investigational research regarding tungsten-cermet fuel development.

May 2006 - Aug 2006

Missionary

Salt Lake City, Ut, Us

Barcelona Venezuela Mission

Aug 1997 - Jul 1999
3 education records

John Darrell Bess education

Phd, Nuclear Engineering

University Of Utah

Ms, Nuclear Engineering

University Of Utah

Bs, Chemical And Fuels Engineering

University Of Utah
FAQ

Frequently asked questions about John Darrell Bess

Quick answers generated from the profile data available on this page.

What company does John Darrell Bess work for?

John Darrell Bess works for J Foster & Associates (JFA).

What is John Darrell Bess's role at J Foster & Associates (JFA)?

John Darrell Bess is listed as Sr. Project Engineer @ J Foster & Associates, LLC - JFA at J Foster & Associates (JFA).

What is John Darrell Bess's phone number?

AeroLeads has found 4 phone signal(s) with area code 432, 915, 559 for John Darrell Bess at J Foster & Associates (JFA).

Where is John Darrell Bess based?

John Darrell Bess is based in Idaho Falls, Idaho, United States while working with J Foster & Associates (JFA).

What companies has John Darrell Bess worked for?

John Darrell Bess has worked for J Foster & Associates (Jfa), Oecd Nuclear Energy Agency, Idaho National Laboratory, Center For Space Nuclear Research, and University Of Utah.

How can I contact John Darrell Bess?

You can use AeroLeads to view verified contact signals for John Darrell Bess at J Foster & Associates (JFA), including work email, phone, and LinkedIn data when available.

What schools did John Darrell Bess attend?

John Darrell Bess holds Phd, Nuclear Engineering from University Of Utah.

What skills is John Darrell Bess known for?

John Darrell Bess is listed with skills including Nuclear Engineering, Nuclear, Reactor, Simulations, Engineering, Physics, Experimentation, and Fortran.

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