Pitt | Swanson Engineering
Nuclear Science and Engineering Faculty

Full Time Faculty

Minking Chyu, PhD 
Associate Dean for International Initiatives and Leighton E. and Mary N. Orr Chair Professor of Mechanical Engineering and Materials Science
Ph.D, University of Minnesota, 1986. Heat and mass transfer; turbomachinery.       

Daniel Cole, PhD, PE
Associate Professor & Program Director
Ph.D., Virginia Polytechnic Institute and State University, 1998. Dynamic systems; measurement and control. Professional Engineer.     

C. Isaac Garcia, PhD
Research Professor 
PhD, Materials Science and Engineering, University of Pittsburgh, 1982. Alloy design and Thermomechanical processing, Microstructure-Property Optimization, Grain Boundary Engineering.

Jung Kun Lee, PhD     
Associate Professor
Ph.D., Seoul National University, 2000. Nanotechnology; radiation effects on Material Properties; Ion beam Synthesis of functional materials. 

Jorg Wiezorek, PhD
Ph.D., University of Cambridge, Cambridge, UK, 1994. Materials Science & Engineering; Physical Metallurgy & Metal Physics; Phase Transformations; Micro Characterization & Analysis by Diffraction and Spectroscopy; Transmission Electron Microscopy; Scanning Electron Microscopy; Mechanical Behavior; Microstructure Engineering.   Analysis by Diffraction and Spectroscopy; Transmission Electron Microscopy; Scanning Electron Microscopy; Mechanical Behavior; Microstructure Engineering.       

Adjunct Faculty

David Aumiller, PhD
Adjunct Associate Professor
Ph.D., The Pennsylvania State University, 1996.
Dr. Aumiller performs research in the area of thermal-hydraulic code and methods development at the Bettis Atomic Power Laboratory.  He has authored papers on topics including constitutive model development, code assessment, and scaling.  He has been spent considerable time developing the algorithmic and numerical techniques for the development of coupled code systems.

Ken Balkey, P.E., ASME Fellow
Faculty Lecturer
(412) 374-4633
M.S., University of Pittsburgh, 1980.
Mr. Balkey has over 40 years of experience in the commercial nuclear power industry. He provides consultation and advise technology developments related to Codes and Standards and risk management initiatives.  He performed and directed reliability and risk evaluations for nuclear and non-nuclear structures, systems and components over his lengthy career.  He has produced more than 140 publications and documents relating to risk evaluations of the integrity of piping, vessels and structures, and the performance of components using state of the art probabilistic assessment techniques.  He holds two patents related to reactor pressure vessel integrity and risk-informed inspection of heat exchangers.  His honors include ASME’s Dedicated Service Award (1991), the Bernard F. Langer Nuclear Codes and Standards Award (2002), the Melvin R. Green Codes and Standards Medal (2008), and several other awards from ASME, Westinghouse, and other institutions.  

Bruce Berquist, PhD
Adjunct Associate Professor
(412) 476-6053
Ph.D., University of Pittsburgh, 1979.
Dr. Berquist has 32 years in the Materials Technology Department at Bettis Atomic Power Laboratory with emphasis on the development of new core materials for advanced Naval Reactors applications. He has taught the Materials course for 20+ years at the Bettis Reactor Engineering School (BRES).

Frank Buschman

Thomas Christopher

Tom Congedo, PhD 
Adjunct Professor & Associate Director of Program
Ph.D., Physics, University of Pittsburgh, 1980 

Heather Detar
Faculty Lecturer
(412) 716-1445
B.S. ME, The Pennsylvania State University, 2005
Mrs. Detar is an engineer in the Risk Applications and Methods Group of the Westinghouse Electric Company. She has over 7 years of experience in the probabilistic risk assessment (PRA) area.

Gary Elder, PhD
Faculty Lecturer
(412) 856-5967
Ph.D., University of Pittsburgh, 1982
Dr. Elder has over 38 years of experience in the Nuclear Industry with Westinghouse Electric Co. This experience has included work in design and development, fabrication of major components, project management, and field inspection and repair services. He currently is Chief Engineer for Nuclear Services where his responsibilities include direction of new product development programs, coordination of responses to various industry critical issues, assuring a succession of Westinghouse technical leaders, and resolution of major technical issues. He has participated in the development of industry guidelines for steam generator and reactor component inspection and maintenance, development of solutions for cracking in alloy 600 materials, the design and maintenance of major components within the nuclear steam supply system, and in the development of equipment reliability and asset management programs for increasing the performance and value of nuclear power plants.

Vinny Esposito, DSc
Adjunct Professor
(724) 327-9593
D.Sc., University of Virginia, 1968.
Dr. Esposito has over 40 years of experience at Westinghouse Electric Company. His experience includes nuclear core thermal hydraulics, safety analysis, fuel design, and numerical analysis. He is the former VP of the Westinghouse Nuclear Fuel Business Unit.     

Larry Foulke, PhD
Adjunct Professor & Director of Educational Outreach  
(412) 653-0978
Ph.D., Massachusetts Institute of Technology, 1967.
Dr. Foulke is a former President of the American Nuclear Society, a Fulbright Fellow at the Institute for Atomenergi in Kjeller, Norway from 1961 to 1962 and the founder and first Director of the University's Nuclear Engineering Program. He has over 40 years of experience at Westinghouse Electric Company and Bettis Atomic Power Laboratory where he held management business at both organizations.  His experience includes nuclear core and plant dynamics, public policy, space-time kinetics, and space nuclear power. He is a registered Professional Engineer in Pennsylvania.

Daniel Gill, PhD
Faculty Lecturer
(412) 476-7714
Ph.D., The Pennsylvania State University, 2009.
Dr. Gill's expertise is in nuclear computational science. He is interested in the development and analysis of advanced numerical methods for the solution of deterministic particle transport problems, particularly iterative and acceleration methods for the solution of the discrete ordinates formulation of the neutron transport equation. Dr. Gill is also interested in the development and analysis of numerical techniques suited for multiphysics simulations in nuclear engineering.

David Griesheimer, PhD
Adjunct Assistant Professor
(412) 624-5430
Ph.D., University of Michigan, 2005.
Dr. Griesheimer for the past 7 years has worked as a physics computer methods developer at the Bettis Atomic Power Laboratory.  His specific research interests include computational methods for radiation transport (specializing in Monte Carlo methods), numerical methods, stochastic processes, high performance computing, and artificial intelligence.  Since 2005, his research has focused on the development of an advanced Monte Carlo particle transport solver for nuclear reactor analysis and design applications.  

Jason Gruber, PhD
Faculty Lecturer
Ph.D., Carnegie Mellon University. Material Science, 2007
Dr. Jason Gruber is currently employed by Bechtel Marine Propulsion Corporation (Bettis Atomic Power Laboratory) as a Principal Scientist in the Materials Technology department. His current interests include computational materials science, multiscale materials modeling, microstructural science, texture and anisotropy, numerical methods and global optimization. Dr. Gruber is the main developer of the Mesoscale Microstructure Simulation Project (MMSP), a set of high performance codes for microstructure simulation available on www.matforge.org.

Paul Harden

David Haser
Faculty Lecturer
(412) 367-9177
MBA, Youngstown State University, 2005.
Mr. Haser has 31 years of experience and is the Operations Superintendent of the Beaver Valley Power Station Unit 2 where he is responsible for work management, operations management, outage management, and training.  He has SRO License. His experience includes safety culture, plant operation improvements, nuclear plant operations and safety. Professional Engineer.

David Helling
Faculty Lecturer
(724) 722-5301
B.S., Miami University, 1969.
Mr. Helling has over 40 years of experience in the nuclear industry. He began his nuclear career in the United States Navy where he was a nuclear trained officer. He is qualified as Engineer by Naval Reactors. After nearly ten years of navy service, he joined Westinghouse Electric Company where he has served in a number of training and operations related positions. He was the Westinghouse Training Manager from 1992 to 2001. He holds a Senior Reactor Operator certification from the U.S. Nuclear Regulatory Commission. His current title is Senior Training Advisor in the Training and Operational Services group. Dave teaches a wide variety of classes in topics such as instrumentation and control, engineering, plant operations, and leadership and development.
Jeffrey Lane, PhD
Faculty Lecturer
Ph.D., The Pennsylvania State University, 2009
Dr. Lane is a thermal-hydraulic code and methods developer at Bettis Atomic Power Laboratory, with a current focus is on reactor safety analysis applications.  His research interests include: two-phase flow, computational analysis tools, analytical model development, and Best-Estimate Plus Uncertainty (BEPU) methodologies. He was a Naval Nuclear Propulsion Rickover Fellow.

Michael Meholic

Justin Pounders, PhD
Faculty Lecturer
Ph.D., Georgia Tech University
Dr. Pounders works at the Bettis Atomic Power Laboratory in the area of multiphysics methods development. He is generally interested in computational methods development for reactor physics problems. His most recent research efforts have been in the areas of neutronic homogenization and equivalence methods in plant simulations, transient multiphysics code coupling, and tightly-coupled multiphysics computations.

Ed Renaud

Donald Scheef
Faculty Lecturer
(724) 722-5318
M.S., Purdue University, 1972
Mr. Scheef has 44 years in nuclear science and technology, 32 of these in the commercial nuclear power industry. He has been a commissioned officer in the US Navy (reserve) for 5 years and employed by Westinghouse Electric for 32 years. He has been a licensed SRO for Westinghouse Nuclear Training Reactor for 7 years, certified SRO instructor for Westinghouse-designed PWR power plants, qualified control room engineer for fuel handling activities at commercial PWRs, lead instructor for engineering support training courses.

Richard Siergiej, PhD
Adjunct Associate Professor
(412) 476-7587
Ph.D., Lehigh University, 1992
Dr. Siergiej is presently employed by the Bettis Atomic Power Laboratory and previously worked at the Westinghouse Science and Technology Center. His interests are computer simulation and modeling, advanced energy conversion technologies, semiconductor physics, fabrication, and materials, and next generation instrumentation and control system.

Astrophel Tiburcio