The Team
The reason that H3D can create products with unmatched performance is due to our strong team. With extensive experience in detector applications,
we make understanding our customers and building solutions our highest priority.
If you have questions or would like to contact us, you can fill out our contact form,
or contact someone on the Sales and Marketing Team directly.
Click on an H3D team member's picture to read more about them!
Leadership
Zhong earned his undergraduate degree from Tsinghua University and his PhD from Southampton University. He is currently a professor in the Department of Nuclear Engineering and Radiological Sciences at the University of Michigan. Prof. He invented the 3D-readout technique for semiconductor detectors which forms the foundation of all H3D technology.
Prof. Zhong He
Chairman
Willy earned his undergraduate degree from Oregon State University and his PhD from the University of Michigan. He is an expert in CZT calibration and performance. At H3D, Willy focuses on contract management, product design, and user-interface development.
Dr. Willy Kaye
CEO
willy@h3dgamma.com
(734) 661-6416 x101
Michael earned his undergraduate degree from Purdue University and his PhD from the University of Michigan. His doctoral work focused on digital readout of CZT detectors for national-security applications. At H3D, Michael works on detector testing, readout, and processing.
Dr. Michael Streicher
COO & President
michael@h3dgamma.com
(734) 661 6416 x121
Business and HR Team
Kristina Wommer earned her undergraduate degree and her master's degree from Northern Michigan University. She has over 20 years of professional experience working in human resources, payroll, employment-based immigration, and account management. Kristina manages the human resources, payroll, and daily business operations of H3D.
Kristina Wommer
Business & HR Director
Rachel earned her undergraduate degree from Purdue University. After joining H3D in 2018, she specialized in procurement and organization. Rachel currently provides task support in other areas, primarily contract administration.
Rachel Jaworski
Contracts Coordinator
(734) 661-6416 x115
Alex recieved his undergraduate degree from Eastern Michigan University. Prior to joining H3D in 2021, Alex has worked as a free school director and kitchen manager. At H3D, Alex handles shipping, recieving, logistics, quality assurance, radiation safety, accounts payable, and business-process analytics.
Alex Upham
Quality Assurance &
Business Process Analyst
(734) 661-6416 x137
Mike is a creative and energetic person who earned his undergraduate degree from Full Sail University. Before joining H3D, he was a digital artist and designer. At H3D, Mike performs shipping and receiving as well as aiding with graphic design and other creative aspects of H3D.
Mike Lanius
Shipping & Logistics
Coordinator
(734) 661-6416 x104
mike@h3dgamma.com
Elliot is originally from Australia, where he spent 15 years in Sales and Distribution within the wine industry. Since joining H3D in 2019, he has supported inventory management and purchasing.
Elliot Hadden
Inventory & Purchasing
Coordinator
(734) 661-6416 x172
Electrical and CZT Team
Feng earned his undergraduate degree from Tsinghua University and his PhD from the University of Michigan. He works on the data acquisition hardware and software for H3D detectors, with a proven record of achieving the best energy resolution in large volume CdZnTe detectors at room temperature.
Dr. Feng Zhang
Chief Technology
Officer
zhangf@h3dgamma.com
(734) 661-6416 x108
Ryan earned his undergraduate degree from the University of Michigan. Before joining H3D in 2022, he worked with controls and digital signal processing in a manufacturing setting. At H3D, Ryan works on detector testing, calibration, and board design.
Ryan Parsons
Electrical Engineer
ryan@h3dgamma.com
Matthew earned his undergraduate degree from SUNY Binghamton and his MS and PhD from the University of Michigan. He has worked on CZT radiation detectors since 2011. His doctoral work covered event reconstruction in CZT, ASIC design, imaging techniques, and perovskite radiation detectors. At H3D, he works on detector development.
Dr. Matthew Petryk
Research Scientist
matthew@h3dgamma.com
(734) 661-6416 x125
Sara earned her undergraduate degree, master's, and PhD from the University of Michigan. Her doctoral work focused on studying CZT detectors in extreme environments. At H3D, she works on detector testing and development.
Dr. Sara Abraham
Research Scientist
sabraham@h3dgamma.com
Yuefeng earned his undergraduate and master's degree from Tsinghua University and his PhD from the University of Michigan. He works full time at the University of Michigan as an assistant research scientist focusing on next-generation detector readout. Yuefeng provides part-time support to H3D on tablet and computer software environments.
Dr. Yuefeng Zhu
Radiation Detection
Readout Engineer
Manufacturing and Production Team
Dave earned his undergraduate degree from Michigan Technological University and his master's degree from Wayne State University. Prior to joining the team in 2016, he worked at a small medical-device company, specializing in implantable device modification. At H3D, Dave does mechanical design.
David Tefft
Manufacturing &
Production Manager
(734) 661-6416 x116
TJ joined H3D full time in 2015 and primarily works on system testing and assembly. He also aids the technical team with experimental setup.
Timothy Slatina
Assembly Technician
(734) 661-6416 x114
Doug joined H3D full time in 2022. Before H3D, he specialized in metrology and calibrations, working in the automotive industry. Doug has traveled as a commissioning engineer as well as done automotive validation testing. At H3D, Doug supports commercial production and manufacturing.
Doug Groves
Production Technician
(734) 661-6416 x180
Tom joined H3D full time in 2022. At H3D, Tom supports commercial production and manufacturing. He also helps our service department by keeping calibrations up to date and addressing maintenance concerns for our systems.
Tom Walker
Production Technician
Therman joined H3D as a full-time employee in 2020. Therman supports commercial production and manufacturing at H3D while also providing building and maintenance support. He has previously worked with Recycle Ann Arbor, Ford Motor Co, and Ann Arbor Public Schools.
Therman Hunter
Production Technician
Travis earned his associate degree from Washtenaw Community College. Prior to joining H3D in 2022, he was employed at his local bowling alley. At H3D, Travis performs assembly, testing, and service for the OEM product line.
Travis Mattice
Production Technician
Mechanical Design Team
Vic earned his undegraduate degree from the University of Michigan. Before joining H3D in 2022, he had over 30 years of manufacturing experience ranging from prototype-tool making, advanced manufacturing process development, and custom design and fabrication. At H3D, Vic works on product design.
Victor Baczkowski
Mechanical Design
Manager
victor@h3dgamma.com
(734) 661 6416 x120
Alec earned his undergraduate degree from the University of Michigan. Before joining H3D in 2019, he worked in mechanical design and development in the automotive industry. At H3D, Alec does mechanical design.
Alec Brennan
Product Engineer
alec@h3dgamma.com
(734) 661-6416 x171
Karl received his degree from Washtenaw Community College. He currently works on product design, machine construction and design, production flow, and fixture/tooling design. He also assists in quality-control testing, assembly, and calibration. Prior to joining H3D in 2018, Karl worked in the coffee roasting and craft beer industries.
Karl Hinbern
Product Engineer
karl@h3dgamma.com
Alan earned his undergraduate degree from Texas A&M and a master's degree from UW Madison. Prior to joining H3D in 2021, Alan spent significant time working on high speed electropneumatic shifting systems and a 200mph cruise control. He loves watching machines come to life through a team effort. At H3D, Alan works on robotics.
Alan Thomason
Robotics Engineer
athomason@h3dgamma.com
Jim earned his undergraduate degree from Michigan Technological University. Prior to joining H3D in 2019, he had 19 years of professional experience, including in design for manufacture, prototype fabrication, and military ground-vehicle design, development, and integration. At H3D, Jim works in mechanical design.
Jim Mason
Senior Mechanical
Engineer
jim@h3dgamma.com
(734) 661-6416 x159
Nuclear Engineering Team
Brian earned his undergraduate degree and his PhD from the University of Michigan. He has worked on radiation transport and quantum interaction of radiation in materials since 2008. At H3D, Brian has developed optical and radiation image tools for calibration and mapping. In addition, he manages various programs for new technology development and radiation safety.
Dr. Brian Kitchen
Nuclear Engineering
Manager
brian@h3dgamma.com
(734) 661 6416 x122
Steven earned his undergraduate degree from the University of Florida and his PhD from the University of Michigan. He has worked on CZT-based imagers since 2011 and specializes in coded-aperture imaging. At H3D, Steven develops gamma-ray imagersĀ for research and commercial applications.
Dr. Steven Brown
Nuclear Imaging
Scientist
steven@h3dgamma.com
(734) 661 6416 x133
Reid earned his undergraduate degree from the University of Michigan. At H3D, he works on 3D imaging algorithm development, post-processing software, and improving radiation image reconstruction performance.
Reid Sobota
Nuclear Imaging
Scientist
reid@h3dgamma.com
David earned his undergraduate and PhD from the University of Michigan. At H3D David works on a wide variety of topics ranging from isotope identification, monitoring nuclear power plant coolant isotopics, imaging algorithms for spatially aware systems, and waste assay. He is also a committee member of the ANSI n42.34 (RIID) standard.
Dr. David Goodman
Nuclear Imaging
Scientist
dgoodman@h3dgamma.com
(734) 661 6416 x123
Chris earned his undergraduate degree from Purdue University and his PhD from the University of Michigan. His doctoral work focused on neutron-detection methods for photon active interrogation. At H3D, Chris works on topics including active interrogation and high-energy photon detection.
Dr. Chris Meert
Nuclear Imaging
Scientist
cmeert@h3dgamma.com
(734) 661 6416 x138
Isha earned her undergraduate degree in Computer Engineering and her master's degree in Robotics from the University of Michigan. Before joining H3D, she worked on autonomous driving perception systems and systems software. At H3D, Isha works on SLAM, real-time software, and general robotics development.
Isha Bhatt
Robotics Engineer
isha@h3dgamma.com
Project Management Team
Chris earned his undergraduate degree from SUNY Geneseo and his PhD from the University of Michigan. He has worked on imaging and detection algorithms since 2006. At H3D, Chris focuses on post-processing software, algorithm development, user experience, and operations.
Dr. Christopher Wahl
Director of Operations
chris@h3dgamma.com
(734) 661-6416 x102
Wieyi earned his undergraduate degree from Peking University and his PhD from the University of Michigan. He has worked on Compton imaging using CZT since 2005. Weiyi's work at H3D focuses on radiation image formation and customer relations.
Dr. Weiyi Wang
Director of
Sponsored Research
weiyi@h3dgamma.com
(734) 661-6416 x111
Sales and Marketing Team
Andy earned his undergraduate degree and his PhD from the University of Michigan. He has been working on CZT technology since 2008. Andy currently runs the Sales and Marketing Teams that oversee all of our customer interactions and plays a crucial part in our product development process.
Dr. Y. Andy Boucher
Sales & Marketing
Director
andy@h3dgamma.com
(734) 661-6416 x109
Ashley Griffith earned her undergraduate degree from Eastern Michigan University. She has over 5 years of professional experience working in insurance sales and customer service. At H3D, Ashley directs customer inquiries and coordinates the sales process, ensuring smooth interactions with our customers.
Ashley Griffith
Sales Support
Specialist
(734) 661-6416 x118
Meredith earned her undergraduate degree from the University of Michigan. Before joining H3D in 2019, she worked in the defense industry on new radiation-detector technologies. At H3D, Meredith specializes in customer support and training.
Meredith Mayers
Sales Manager
meredith@h3dgamma.com
(734) 661-6416 x105
David Nestle is a certified health physicist, earning undergraduate and graduate degrees from the University of Michigan. He has over 25 years of experience in the nuclear power industry, most recently as the Radiation Protection Manager at Palisades Nuclear Power Plant in Covert, MI.
David Nestle
Product Manager -
Nuclear Industry Products
dnestle@h3dgamma.com
Dennis is a retired United States Marine Corps Master Explosive Ordnance Disposal Technician. He brings with him over 25 years of CBRNe experience, most recently with the National Nuclear Security Administration (NNSA) Regional Render Safe program where he served as a Senior Emergency Nuclear Response Specialist. Dennis has undergraduate degrees in Psychology and Criminal Justice.
Dennis Thompson
Product Manager -
CBRN Applications
dennis@h3dgamma.com
(734) 661-6416 x107
Hao earned his undergraduate degree from Tsinghua University and his PhD from the University of Michigan. He has worked on pixelated CZT since 2008, with a focus on detector readout. He has a plethora of experience in system design, industry radiation detection and imaging, as well as medical imaging. At H3D, Hao handles sales and support in China.
Dr. Hao Yang
Sales Manager -
China
hao@h3dgamma.com
(734) 661-6416 x128
Jerimy earned his undergraduate degree and PhD from Oklahoma State University and is board certified in Therapeutic Medical Physics by the American Board of Radiology. He works in the development of H3D imaging technologies for medical applications.
Dr. Jerimy C. Polf
Research Scientist
jerimy@h3dgamma.com
Software Team
Jason earned his undergraduate degree from Purdue University and his PhD from the University of Michigan. He has worked on H3D technology since 2008, with a focus on software design. At H3D, Jason works on coded-aperture image formation and user-interface development.
Dr. Jason Jaworski
Software Manager
jason@h3dgamma.com
(734) 661-6416 x103
Thurston earned his undergraduate degree in Mechanical Engineering from Kettering University. He has worked on a variety of programming efforts, initially in the auto industry and later on web-based platforms. Thurston joined H3D in 2015 and works on our software, with an emphasis on improving user experience and implementing best practices for reliability.
Thurston Matthews
Software Engineer
thurston@h3dgamma.com
(734) 661-6416 x135
Julie earned her undergraduate and master's degrees in computer science from the University of Michigan. She has a background in software development and machine learning. She joined H3D in 2024 as a software engineer, where she's focused on embedded code development and configuration management.
Julie Shah
Software Engineer
julie@h3dgamma.com
DD joined H3D in 2021. He has earned degrees in Information Assurance and Network Security and Applied Science. Prior to joining H3D, DD worked for Rivian Automotive LLC, and has over 10 years of professional experience working in IT support. At H3D, he works on IT support, IT maintenance, and IT compliance.
DD Bandara
IT Support Specialist
(734) 661-6416 x180