Faculty Biographies-Full Time Faculty


Arnie-Berger.jpgArnold S. Berger, Ph.D.

Associate Professor

Office: UWBB - 225

Email: aberger@uw.edu


Dr. Berger has a Ph.D. in Material Science from Cornell University and has 20+ years of industrial experience ranging from hardware design engineer to Director of Research and Development (R&D) at several companies including Ford Motor Company, Hewlett-Packard, Advanced Micro Devices and Applied Microsystems. Moreover, Dr. Berger has more than 15 years of teaching experience at UWB and other institutions. He has served in many committees at the program and university level, and chaired the faculty committee that created the BSEE degree at UWB. Dr. Berger has published over 55 papers, holds four patents and authored two textbooks on computer architecture and embedded design. He is a senior member of IEEE and was the first faculty advisor to the IEEE student chapter.

Dr. Berger’s expertise is in digital design and embedded system design. His research interests are on methods of debugging and validating performance of real-time computer systems, and the specialized tools required to do this. He is also looking at methods of detecting plagiarism in student work and also novel ways to utilize technology to teach electrical engineering, in particular, remotely accessible undergraduate engineering laboratory classes.  

Hung-Cao-cropped.jpgHung Cao, Ph.D.

Assistant Professor

Office: UWBB - 107K

Email: hungcao@uw.edu


Recipient of the Faculty Early Career Development Program (CAREER) grant from the National Science Foundation. We invite you to read about Dr. Cao's prestigious award.

Hung Cao received his B.Sc. degree in Electronics and Telecommunications from Hanoi University of Technology, Vietnam and later obtained his M.Sc. and Ph.D. in Electrical Engineering from the University of Texas at Arlington. He served as a lecturer at Vietnam Maritime University from 2003 to 2005. Prior to coming to UW Bothell in 2015, Dr. Cao worked as a research associate at Biomedical Engineering Department, University of Southern California (2012-2013); a scientist at Veterans Affairs Hospital and David Geffen School of Medicine, University of California, Los Angeles (2013-2014) and as research faculty member at École de technologie supérieure (ETS), Montreal, QC, Canada (2014-2015). He has been also an affiliate faculty at the School of System Biology, George Mason University and served in the advisory board for Zansors, LLC, a start-up bio-tech company located in Washington DC area.

Dr. Cao has been conducting research in applying engineering tools for a wide range of biomedical applications with scientists in multidisciplinary fields in UT Arlington, UT Dallas, UT Austin, USC, UCLA, UC San Diego, Caltech and ETS Montreal. His research interests include MEMS, BioMEMS, micro- and nano-fabrication, sensors and wireless systems for healthcare devices and biological research, particularly in neural and cardiovascular engineering. Dr. Cao has a strong publication record in the related fields with 40+ peer-reviewed articles. 

Seungkeun-Choi.jpgSeungkeun Choi, Ph.D.

Assistant Professor

Office: UWBB - 228



Dr. Choi received his Ph.D. in Electrical and Computer Engineering from the Georgia Institute of Technology in 2007. He also served as an adjunct professor at Southern Polytechnic State University. Dr. Choi has authored or co-authored 12 papers and has given talks at 19 peer-reviewed conferences.

His area of interest centers on renewable energy with a focus on photovoltaics and energy efficient electronics, building on his expertise in organic and inorganic semiconductors, and MEMS. 

Tadesse-Ghirmai.jpgTadesse Ghirmai, Ph.D.

Assistant Professor

Office: UWBB - 221



He has a Ph.D. in Electrical Engineering from the State University of New York at Stony Brook University. Dr Ghirmai has two year of industrial experience working as a systems engineer with NextWave Wireless Inc, San Diego. Dr. Ghirmai is a member of IEEE.

His expertise is in communication and signal processing. Dr. Ghirmai has 13 years of teaching experience at several institutions. He has published over 20 papers in peer-reviewed journals and conference proceedings. 

Mahmoud-Ghofrani.jpgMahmoud Ghofrani, Ph.D.

Assistant Professor

Office: UWBB - 227

Email: mrani@uw.edu


Dr. Ghofrani received his B.Sc. degree in Electrical Engineering from Amir-Kabir University of Technology, Tehran, Iran in 2005, the M.Sc. degree from University of Tehran, Tehran, Iran, in 2008, and the Ph.D. degree from University of Nevada, Reno, in 2014. Since September 2013, he has been with the School of Science, Technology, Engineering and Mathematics at University of Washington, Bothell, where he is currently an Assistant Professor.

His research interests include power systems operation and planning, renewable energy systems, smart grids, electric vehicles and electricity market.


Nicole Hamilton, M.S.


Office: HH - 1436



 She received her BSEE and MSEE from Stanford University and her MBA with high honors from Boston University. Ms Hamilton is the president and founder of Hamilton Laboratories in Redmond, Washington and is the author of Hamilton C shell, a software tools package for developers on Windows. She has wide industrial experience having worked at Microsoft, Real Networks, Prime Computer and IBM. She is a registered professional engineer and a Life Senior Member of the IEEE.

Rania Hussein, Ph.D.


Office: UWBB - 224



Dr. Rania Hussein holds a Ph.D. of electrical engineering, MS of computer Science, and a BS. in computer engineering. Prior to joining UW, she was a research engineer at the Walt Disney Company where she used applied research to investigate emerging technologies such as big data, gamification, and mining the social media. She also has many years of experience working in higher education where she promoted undergraduate research besides teaching and mentoring students in computer science and engineering. She is passionate about promoting diversity in the workplace and empowering students to pursue education and careers in STEM. Additionally, she has taken leadership roles in establishing and running non profit organizations.

Dr. Hussein's interests are image processing, embedded systems, and emerging technologies.

Lawrence Lam, Ph.D.

Senior Lecturer

Office: UWBB - 252

Email: llam@uw.edu

Dr. Lam graduated from UT Austin, UW Seattle with BSEE, MSEE and PhD. He had further training in biomedical engineering from UW Seattle and postdoc research in material science from Cornell University. He was a R&D member of the National Semiconductor Corp working in process 

integration to develop world's first BiCMOS SRAM for Cray Supercomputer. He also worked in the Nobel Prize nominee Dr. Ching Tang's team to develop OLED display. He holds 2 US patents and is a senior IEEE member. Dr. Lam has more than twelve years of teaching experience and was the chair of an ABET accredited Biomedical Engineering Technology program.

His expertise is in device integration, MEMS, sensors and optoelectronics. His current research interest is in human machine interface, biomedical sensors, MEMS and remote labs.


Kaibao Nie, Ph.D


Office: UWBB - 224



His expertise is in signal processing for biomedical applications. He has a Ph.D. in biomedical engineering from Tsinghua University, China. Dr. Nie has one year industrial experience developing signal processing algorithms for hearing aids working for Starkey Laboratories, Inc., Eden Prairie, MN. In addition, he has over 10 years of teaching experience at various institutions. Dr. Nie has published 7 papers. He is currently employed as a research professor at the University of Washington School of Medicine.

Sohini-Roy-Chowdhury-cropped.jpgSohini Roy Chowdhury, Ph.D.

Assistant Professor

Office: UWBB - 223

Email: roych@uw.edu


Sohini Roy Chowdhury received her  PhD in Electrical and Computer Engineering  from University of Minnesota in 2014 and M.S. from Kansas State University in 2010. Prior to that she received her Bachelors in Electronics and Communication Engineering from Birla Institute of Technology, Ranchi, in 2007.  She is the recipient of two best paper awards, one best poster award and one best paper finalist at the Institute of Engineering and Medicine Conference (2013), IEEE Asilomar Signals, Systems and Computers Conference (2012), IEEE Student Paper Contest Alborg University (2007) and Osmosis Student Paper Contest (2006), respectively.

Her current research interests include medical image processing, signal processing, pattern recognition, machine learning, artificial intelligence and Big Data. 

Affiliate Faculty


Walter Charczenko


Office: Truly House

Dr. Charczenko has been working in the field of microwave devices and systems, electro-optics, integrated optics and high speed photonics for over 25 years. His key interests are on the topics of microwave photonics, microwave components and processing for Phased Array Antennas, analog fiber optic links, high data rate digital fiber optic modulation, optical signal processing for RF/fiber optic arrays, free space optical communications and laser radar systems. He also has a keen interest in all topics related to electromagnetic theory and its many uses. Currently, he is the technical lead on a number of programs related to extending fiber optic digital modulation techniques up to 100 Gbits/s and custom optical IC’s for signal processing in Microwave/Photonic Transmitters and Receivers. Dr. Charczenko received his Ph.D. in Electrical Engineering from the University of Colorado at Boulder. He has authored 20 papers in the field of microwaves and has lead team in 13 government-related projects.

Wayne-D-Kimura.jpgWayne D. Kimura

Affiliate Assistant Professor

Office: Truly House


Wayne D. Kimura received his B.S.E.E. (magna cum laude) from the University of Washington in 1976, and his M.S. and Ph.D. in electrical engineering from Stanford University in 1977 and 1981, respectively. Dr. Kimura is President of STI Optronics, Inc. located in Redmond, Washington. Dr. Kimura is a Senior Member of the Institute of Electrical and Electronics Engineers, and a member of the American Physical Society. He has served on the Gas and Free Electron Laser Subcommittee for the Conference on Lasers and Electro-Optics (CLEO) ‘91, ‘92, and ‘93; and was a Working Group Leader/Co-leader for the 8th, 10th, and 11th Workshop on Advanced Accelerator Concepts. Dr. Kimura is author/co-author on over 145 papers and 135 presentations, and inventor on 4 U.S. Patents.

His area of expertise includes lasers, optics, and advanced high-energy accelerators.

Randy-Kong-EE.jpgRandy Kong, Ph.D

Affiliate Associate Professor

Office: Truly House

Email: yuank@uw.edu


Dr. Randy Kong received his Ph.D. in Physics from the Graduate Center of City University of New York, and his B.S. in Electrical Engineering from Tsinghua University of China. He has authored 18 peer reviewed papers and book chapters in addition to other professional reports and publications. He is also an inventor with 35 issued U.S patents at this time. Dr. Kong is an industry expert on electronics reliability, physics-of-failure and technologies for product design and manufacture reliability risk identification, assessment and mitigation. He has been directly working for a number of leading consumer, computer and medical device companies, and has also consulted for over 40 companies in a variety of industries including NASA, Boeing, Philips, Apple, etc.

During his industry tenure, Dr. Kong has actively drove industry-academic collaborations, including directly supervising Ph.D. and Master Degree students. His other interests include the topics of electronic materials, materials and device characterization, sensors, electro-optics and human-machine interactions.