Marquis Top Engineers

Gregory W. Sellberg

Title: Retired Mechanical Engineer
Company: Fermi National Accelerator Laboratory
Location: Geneva, Illinois, United States

Gregory W. Sellberg, Retired Mechanical Engineer at the Fermi National Accelerator Laboratory, has been recognized by Marquis Who’s Who Top Engineers for dedication, achievements, and leadership in detector development for high-energy physics.

Now retired, Mr. Sellberg excelled as a non-degreed mechanical engineer at the Fermi National Accelerator Laboratory from 2013 to 2019. In this position, he was involved in designing and developing solid-state detectors for high-energy physics, among several other types of detectors. Prior to this role, he held multiple roles at the same laboratory, advancing from a designer to a mechanical technician to an operation specialist between 1977 and 2013. Mr. Sellberg began his career as a consultant at the University of Chicago, later working for the Monogram Company and Motorola. In the 1990s, he received recognition for his professional excellence from the North American ZEISS Conference.

Mr. Sellberg has found additional success through his written work, co-authoring “A Brief Technical History of the Large-Area Picosecond Photodetector Collaboration” in 2016. In the same year, he also co-authored “Calibration and GEANT4 Simulations of the Phase II Proton Compute Tomography Range Stack Detector.” In 2015, Mr. Sellberg co-authored the conference paper “Development of a Proton CT Head Scanner.” Among his professional accomplishments, he is proud of his involvement in the design and development of pixel detectors which aided the discovery of the Higgs boson particle. He enjoys home renovation projects in his spare time, including reconverting his children’s bedrooms. Mr. Sellberg also enjoys boating and visiting his wife’s family cottage in Wisconsin.

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