S4 Lab Members

Zerina Kapetanovic
she/her/hers
Principal Investigator
zerina (at) stanford.com
Personal Website
0000-0001-6240-5511
zerina-kapetanovic
Profile
Zerina's Citations
zkapetanovic

Zerina Kapetanovic is an Assistant Professor in the Department of Electrical Engineering at Stanford University working in the area of low-power wireless communication, sensing, and Internet of Things (IoT) systems. Prior to starting at Stanford, Kapetanovic was a postdoctoral researcher at Microsoft Research in the Networking Research Group and Research for Industry Group.

Kapetanovic’s research has been recognized by the Yang Research Award, the Distinguished Dissertation Award from the University of Washington. She also received the Microsoft Research Distinguished Dissertation Grant and was selected to attend the 2020 UC Berkeley Rising Stars in EECS Workshop. Kapetanovic completed her PhD in Electrical Engineering from the University of Washington in 2022.

Geneva Ecola
she/her/hers
Graduate Student
gecola (at) stanford.edu
Personal Website
0009-0006-6490-6778
geneva-ecola
Profile
Geneva's Citations

Geneva is a 4th year PhD candidate in Electrical Engineering. She received her B.S. in Engineering from Harvey Mudd College in 2019. After college she worked as a radio frequency design engineer at Trellisware Technologies before starting her graduate studies in 2021. She received the M.S. in Electrial Engineering from Stanford in 2023 and is currently working towards her Ph.D. in Electrical Engineering. During graduate school, she interned at Apple and Tesla working on wireless systems. She received the Stanford Graduate Fellowship twice (2021 and 2024), the Apple Stanford EE PhD Fellowship in Integrated Systems, and the Stanford Emerging Environmental Scholard Award. Her research interests include ultra low power sensing and communications systems using ambient radio frequency signals, including sythethetic aperture radar signals from satellites and thermal noise.

Jasmin Falconer
Graduate Student
jfalco (at) stanford.edu
0009-0004-8499-9460
jasminrfalconer
Profile
Jasmin's Citations

Jasmin is a Phd candidate in electrical engineering who started her program in the fall of 2023. She received her bachelor’s in electrical engineering from Arizona State University in 2023 and her master’s in electrical engineering from Stanford in 2025. She is funded by the NSF-GRFP fellowship (awarded 2023) and the Stanford Graduate Fellowship (awarded 2023). She has interned for Nokia Bell Labs (2024), working on systems and integration for high-frequency radar. She has also worked for the University of Ulm, Germany (2022) and Collins Aerospace (2021). Her past research involves RF systems and cavities for particle accelerators (ASU) and low-power wireless sensing using Johnson noise (Stanford). Her current research is on low-power sensing for women’s health wearables. In her spare time, she enjoys camping, skiing, dancing, and reading any books she can find.

Chae Young Lee
Graduate Student
chae (at) stanford.edu
Personal Website
0009-0005-5078-1233
Chae's Citations

Chae Young is a 2nd year Ph.D. candidate in Computer Science. She received her B.S. in Electrical Engineering & Computer Science from Yale in 2023, where she was advised by Professor Lin Zhong. Her research focuses on optimizing machine learning systems for resource-constrained, battery-powered hardware and building real-world applications. She has been recognized as one of the Rising Stars by ACM MobiSys 2025 and has published in top conferences such as ACM MobiCom, ACM ASPLOS, ACM MobiSys, and IEEE IROS.

Bill Yen
He/him/his
Graduate Student
billyen (at) stanford.edu
Personal Website
0009-0007-8539-9223
bill-yen
Profile
Bill's Citations
billyen33

Bill Yen is a Ph.D. candidate in the Department of Electrical Engineering at Stanford University working in the area of low-power Internet of Things (IoT) systems. He is an interdisciplinary maker and environmental scientist passionate about solving issues related to food, water, and energy using smart technologies.

Bill’s experience in industry (General Motors, CNH Industrial) and academic research (Northwestern - soil-powered computing, Stanford - low-power wireless communication) cultivated his interest in designing self-powered computing devices that boost system efficiency while lowering the environmental impact of existing processes. His work has been featured by The Independent, Fast Company, MIT Technology Review China, Hackster.io, and more. He is also a recipient of the Stanford Graduate Fellowship in Science & Engineering. In his free time, Bill likes to tinker and design cool logos for the lab.

Jida Zhang
he/him/his
Graduate Student
jidaz (at) stanford.edu
Personal Website
0009-0002-4277-1623
Jida's Citations

Jida Zhang is a first year Ph.D. student in the Department of Electrical Engineering at Stanford University, rotating in S4 lab. He obtained his bachelor’s degree from Department of Electronic Engineering, Tsinghua University in 2024. He was a summer intern at University of Illinois Urbana-Champaign in 2023. His research interests lie in wireless communications/sensing.

Shuan-Lin (Sam) Chen
Undergraduate Student
samchen2 (at) stanford.edu
Personal Website
Profile
samshuanlin

Sam is a 4th-year undergraduate student studying EE at Stanford University with a concentration on hardware/software systems. He is from Taipei, Taiwan and is interested in embedded firmware and energy-efficient hardware/PCB design in consumer-facing applications.

Tim Jacques
he/him/his
Graduate Student
tjacques (at) stanford.edu
Personal Website
0009-0003-5253-2818
timothyrjacques
Tim's Citations
TJ178

Tim is a Master’s student in the Electrical Engineering department at Stanford University. He received his Bachelor’s in Computer Engineering from UCLA in 2024. Previously, he has worked with the Secure Systems and Architectures Lab at UCLA performing embedded hardware security research, and the UCLA Communications Systems Laboratory performing cutting edge communications systems research. Currently, he focuses on designing and integrating low-power and low-cost wireless embedded systems.

Rudraksh Mohapatra
Undergraduate Student
rudraksh (at) stanford.edu
0000-0003-0210-7736
rudraksh-mohapatra
Profile
Rudraksh's Citations

Rudraksh is an Electrical Engineering undergraduate at Stanford University specializing in the Physical Technology and Science track. His previous work mainly focused on integrating machine learning with geospatial techniques for applications like predicting landslide susceptibility, and measuring crop response to climate change. He is currently working on the SARLink project, where he is building a processing pipeline to enable communication using satellite backscatter. He is also a recipient of the RISE Fellowship, which is an initiative by the Rhodes Trust and Schmidt Futures.

Ben Nguyen
He/him/his
Graduate Student
benvn (at) stanford.edu
ben-v-nguyen

Ben Nguyen is a first-year master’s student in Electrical Engineering at Stanford University and a National Science Foundation Graduate Research Fellow. He earned his Bachelor of Science in Electrical Engineering from the United States Military Academy at West Point, where he conducted undergraduate research on distributed power systems and power electronics under Professor Aaron St. Leger and LTC Nicholas Barry. Ben is currently an Army Cyber Officer, and his research interests include low-power wireless sensing networks and embedded systems.