buildingTech-X Corporation specializes in developing and using cutting edge computational science and engineering methods to solve problems. Our software and consulting services are used to reduce both cost and technical risk for commercial and scientific customers via modern modeling techniques, advanced visualization, and distributed computing technologies. Headquartered in Boulder, Colorado, Tech-X Corporation is an entrepreneurial and dynamic enterprise committed to scientific and technical excellence and innovation. We provide technical solutions through collaboration and product development and are dedicated to advances in science and engineering. Our business consists of scientific software products, consulting services, and federally funded projects.

John R. Cary

John R. Cary, Ph.D.
cary jr
Chief Executive Officer

Dr. John R. Cary, CEO, co-founded Tech-X in 1994 with Dr. Svetlana Shasharina. The company's products help in the design and prediction of systems involving electromagnetics and plasmas. Tech-X has contracts from industry and the government, with multiple lines of software products. 

Dr. Cary has a strong background in computational research and development, with more than 150 publications. His background helps ensure that Tech-X products are based on the most recent and advanced algorithms and computing developments, make use of the most advanced computing platforms, and are easily used by Tech-X customers.

Dr. Cary received his degrees at the University of California at Irvine and at Berkeley. He has worked for government labs (Los Alamos), in the private sector (Tech-X), and in academia (he retains his position as Professor of Physics at the University of Colorado at Boulder, where he continues to be involved in education of the next generation of scientists and engineers).

Svetlana Shasharina

Svetlana Shasharina, Ph.D.
Vice President, Computational Infrastructure

Dr. Svetlana Shasharina graduated from Lomonosov Moscow State University and received her Ph.D. from the General Physics Institute of the Russian Academy of Sciences. Dr. Shasharina has worked on a number of computational applications in the areas of fusion, plasma physics, and accelerator modeling.

Sveta Shasharina is an expert of scientific data management, visualization, and UX. In the recent years she developed expertise in radiation modeling using Geant4. She is also leading the Tech-X effort in Silicon Photonics.

Peter Stoltz

Peter Stoltz, Ph.D.
Vice President, Beam-Plasma Interactions

Dr. Stoltz received a BS in Physics from the University of California, Berkeley in 1989 and his Ph.D. in Physics from the University of Colorado in 1996. Dr. Stoltz completed his post-doctoral research at Princeton Plasma Physics Laboratory developing particle-in-cell simulation codes for heavy-ion fusion beams. Dr. Stoltz has also worked Sandia National Laboratories as a post-doctoral research scientist developing magnetohydrodynamic simulation codes for z-pinch x-ray sources.

Dr. Stoltz designed and implemented a graphical user interface for the PPPL heavy-ion code using IDL, and wrote a GUI tool in IDL for post-processing simulation results while at Sandia. Some of Dr. Stoltz' recent work involved the development of a scientific steering package based on Python where he also used MPI to prototype a parallel version of that scripting language. Dr. Stoltz also headed the development of the parallel IDL prototype developed by Tech-X Corporation in 2002.

Scott Kruger

Scott Kruger, Ph.D.
Vice President, Fusion

As Vice President of the Fusion Group, Scott manages a group of plasma physicists, applied mathematicians, and an odd polymer physicist. He was project manager for FACETS, a large (> 5M lines of code) fusion application that integrated legacy Fortran codes with a C++ framework, and is project manager for the NIMROD magnetohydrodynamic code.

Based on his experience as a project manager, Dr. Kruger has developed new company procedures for improving the communication between research scientists and the support groups within Tech-X to more easily deliver cutting edge research codes to the commercial marketplace.

Scott received a Ph.D. in fusion research because it seemed like a good idea at the time. After graduating from University of Wisconsin-Madison in 1999, he worked for Science Applications International Corporation (SAIC) in San Diego. After working for a large corporation for 5 years, Scott enthusiastically joined Tech-X in 2004 and has enjoyed working on a broad range of computational projects since then. And even thought he hates to conform to and reinforce a stereotype, this bearded, bespectacled, overweight nerd is still happy to talk physics, computation, and marketing over a nice pint of craft beer.

Larry Nelson

Larry Nelson

Mr. Nelson received a B.S. in Accounting from the University of Colorado (CU) at Boulder in 1969. After a one-year position at a bank in Denver, he became employed at CU, initially in the Accounting Department, and soon thereafter in the Office of Contracts and Grants (OCG). OCG is responsible for processing and administering all of the sponsored research proposals and awards at CU (more than $250 million annually). In 2001, Mr. Nelson was a recipient of the University of Colorado’s Robert L. Stearns Award for Exceptional Service, the highest honor bestowed upon CU faculty and staff for exceptional teaching, research, or service.

In 1981, Mr. Nelson became the Director of OCG and served in that capacity until his retirement in 2004. In February 2005, Mr. Nelson joined Tech-X as its first Controller. He brings to Tech-X his 34 years of experience with sponsored research, federal funding, and contract management.

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