People

saraswat

Himani Saraswat

Title/Position
Graduate Research Assistant
Graduate Student Advisory Committee Member
Himani Saraswat is interested in Condensed Matter and Material Physics. She will be working with Prof. Ravitej Uppu and Prof. Thomas Folland on the Quantum dots which involve characterization and fabrication of semiconductor materials.
Rhyan Sawyer

Rhyan Sawyer, Ph.D.

Title/Position
Postdoctoral Research Scholar
Ianos Schmidt

Ianos Schmidt

Title/Position
Senior Engineering Associate
Schrock

Katrina Schrock

Title/Position
Graduate Research and Teaching Assistant
Katrina Schrock’s research interests cover the vast field of optics, with a focus of LEDs and laser measurements.  She has worked with Dr. John Prineas on the improvement of infrared LEDs.
John W. Schweitzer

John Schweitzer, Ph.D.

Title/Position
Professor Emeritus
John W. Schweitzer is a Professor Emeritus in the Physics and Astronomy Department at the University of Iowa.
Jack Scudder

Jack Scudder, Ph.D.

Title/Position
Professor Emeritus
Jack D. Scudder is a Professor in the Physics and Astronomy Department at the University of Iowa. His research interests include space plasma physics.
Sercan Sen

Sercan Sen

Title/Position
Research Scientist/Engineer
Photo of Andrea Shaevitz

Andrea Shaevitz

Title/Position
Senior Financial Analyst
Sharma

Punit Sharma

Title/Position
Graduate Research Assistant
Punit is working on the High Luminosity upgrade of the Inner Tracker detector of the ATLAS experiment currently stationed at the Brookhaven National Lab. He also works on the exotic analysis based on the 2-Higgs doublet model where the pseudoscalar Higgs decays into the heavy CP even neutral Higgs and a Z boson using the run-2 data from the ATLAS experiment.  Punit got his bachelor's and master's degrees from IIT Kanpur. His master's project was on the quantum entanglement in the holographic conformal field theories.
David Sheets

David Sheets

Title/Position
Principal Engineer
David is an engineer with both electrical / software design and systems engineering experience. He is currently working as the systems engineer for the TRACERS ACE instrument and cognizant for several of the subsystems thereof.
Sapna Shekhar

Sapna Shekhar, Ph.D.

Title/Position
Postdoctoral Research Scholar
HWShen

Han-Wen Shen, Ph.D.

Title/Position
Postdoctoral Research Scholar
Han-Wen is interested in conducting space physics research with satellite and ground-based observations. His current research focuses on exploring the plasma dynamics around the Lunar environment.
Shi

Yueguang Shi

Title/Position
Graduate Research Assistant
Yueguang Shi is interested in studying computational methods, especially first principle approaches to solid state systems. He is working with Dr. Flatté studying magnetic materials like V(TCNE)2 using density functional theory (DFT) approaches.
Kristine Sigsbee

Kristine Sigsbee, Ph.D.

Title/Position
Associate Research Scientist/Engineer
Kristine investigates challenging questions in heliophysics about Earth’s magnetosphere, space weather, geomagnetic storms, and the Van Allen radiation belts.
sink

Joe Sink, Ph.D.

Title/Position
Postdoctoral Research Scholar
Joe Sink is working with Dr. Craig Pryor and is interested in modeling the electronic properties of novel Solid-State devices using theoretical models such as Tight-Binding and DFT. His current research is directed towards understanding the unique properties of wurtzite and zinc blende nanowire heterostructures.
Frederick Skiff

Frederick N. Skiff, Ph.D.

Title/Position
Professor
Frederick N. Skiff is a Professor in the Physics and Astronomy Department at the University of Iowa. His research interests include laser spectroscopy and plasma physics.
Steven R. Spangler

Steven Spangler, Ph.D.

Title/Position
Professor Emeritus
Steven R. Spangler's research interests include radio astronomy, plasma astrophysics and space plasma physics.
Photo of Kevin Steele

Kevin Steele

Title/Position
Application Programmer/Analyst
Kory Stiffler

Kory Stiffler, Ph.D.

Title/Position
Visiting Assistant Professor
Kory Stiffler is a theoretical physicist with research interests in supersymmetry, black hole physics, cosmology, and string theory. for black hole physics and cosmology research, Kory focuses on Thomas-Whitehead gravity developed by Professor Vincent G. J. Rodgers (University of Iowa). In supersymmetry research, Kory focuses on adinkras: colorful diagrams encoding supersymmetry. To aid in adinkra research for students and colleagues, as owner of the GitHub organization HEPTHools, Kory along with several student members has developed the adinkra.m mathematica package.
Dale Stille

Dale Stille

Title/Position
Instructional Services Specialist
Dale has been with the University and the Department of Physics and Astronomy as the Instructional Resource Specialist for 35 years. He holds a Bachelor of Science in Chemistry from Buena Vista University in Storm Lake Iowa, and a Master’s degree in Chemistry from the University of Iowa. He is a member of the American Association of Physics Teachers (AAPT), American Physical Society (APS), and the Physics Instructional Resource Association (PIRA). He is also a Co-Coordinator of the Departments “Hawk-Eyes on Science”, and “Hawkeyes in Space” outreach programs.
John Sunderland

John Sunderland, Ph.D.

Title/Position
Associate Professor
Director, PET Imaging Center
John J. Sunderland is Professor of Radiology in the Division of Nuclear Medicine at the University of Iowa, and has a secondary appointment in the Department of Physics and Astronomy. He is also Director of the PET Imaging Center and is a Professor of Radiation Oncology. His research interests include medical physics.
swarm

Dustin Swarm

Title/Position
Graduate Research Assistant
Graduate Student Mentor
Dustin Swarm is interested in high energy astrophysics and the application of machine learning in astronomy. He is currently working with Prof. Casey DeRoo studying X-ray sources in the Galactic center found using an outlier detection algorithm.
Termini

Jared Termini

Title/Position
Graduate Research Assistant
Jared Termini is interested in astronomical instrumentation and detector design. He is currently working with Professor Keri Hoadley on the Faint Intergalactic Medium Redshifted Emission Balloon (FIREBall) mission.
tiwari

Ashok Tiwari

Title/Position
Graduate Research Assistant
Ashok Tiwari is focusing his research on medical physics applications. His research concentrates on dosimetry post radiopharmaceutical therapy and quantitative imaging in nuclear medicine. He recently explored the dosimetry of beta-emitting radionuclides by employing the Monte Carlo simulations and performed its experimental validation using Radiochromic films.
Toby Tompkins

Toby Tompkins

Title/Position
Engineering Coordinator
Fatima Toor

Fatima Toor, Ph.D.

Title/Position
Associate Professor
Fatima Toor is an Associate Professor in the Electrical and Computer Engineering Department at the University of Iowa and has a secondary appointment in the Department of Physics and Astronomy. She is a researcher at the Iowa Technology Institute, Iowa-CREATES and MATFab Facility.
Shyam Udas

Shyam Udas

Title/Position
Accountant
Ravitej Uppu 002

Ravitej Uppu, Ph.D.

Title/Position
Assistant Professor
Ravi’s research investigates solid-state emitters coupled to a nanophotonic environment for realizing photonic qubits and spin-photon interfaces. He envisions that such nanophotonic devices will pave the way for real-world applications in quantum communication, simulation, and quantum-enhanced imaging. Ravi enjoys interacting with and training graduate and undergraduate students on optics, quantum physics, and statistical mechanics. Prior to UIowa, Ravi carried out research across the world [Niels Bohr Institute (Denmark), University of Twente (Netherlands), and TIFR (India)] and continues to maintain active international collaborations. Ravi is the lead PI of the UI-QuantumSimulation team that was awarded a Jumpstarting Tomorrow grant in 2021.
vaghefi-esfidani

Maryam Vaghefi Esfidani

Title/Position
Graduate Research Assistant
Maryam is interested in condensed matter and her area is understanding the optical properties of polar materials and semiconductor using a combination of experimental methods and numerical model.
Niels Van Venrooij

Niels Van Venrooij

Title/Position
Graduate Research Assistant