Colleen Josephson

Principal Investigator

My name is Colleen Josephson, and I research wireless communication and sensing systems, with a focus on how we can leverage sensing for sustainability. I am an Assistant Professor at UC Santa Cruz, and a research scientist at VMware. I also chair the Societal and Economic Needs working group and co-chair the GreenG Working Group within the ATIS NextG Alliance. I received my PhD in Electrical Engineering at Stanford in 2020. My advisors were Sachin Katti and Keith Winstein.

Sonia Naderi

Postdoc Researcher

Sonia is a Postdoc Scholar at the University of California Santa Cruz with a focus on wireless sensor networks. Before joining University of California Santa Cruz, she was graduate research assistant at WiSe-Net lab and she received her Ph.D. degree in Electrical Engineering at the University of Maine in September 2022. She was doing an internship during her Ph.D. at Samsung Electronics America, working as a wireless system structure design engineer. Her research interests include theory and development of wireless communication systems, wireless sensor networks, cooperative communications, artificial intelligence and signal processing.

John Madden

PhD Student

John is a first year Electrical and Computer Engineering PhD student researching open-source agricultural sensing platforms. The platform aims to provide accessible technology where in-situ measurements can inform the agricultural process. He is also interested in the general field of robotics and control theory.

Stephen Taylor

Junior Specialist

Stephen Taylor is an Junior Specialist at the University of California, Santa Cruz. With a focus on phenomena such as voltage reversal in microbial fuel cells, and designing more robust containers for soil microbial fuel cells. Stephen graduated from UC Santa Cruz in fall 2022 with a degree in Robotics Engineering.

Yawen Guo

PhD Student

Yawen is currently pursuing her PhD in Electrical and Computer Engineering at the University of California, Santa Cruz. Her research focuses on the energy efficiency and the innovative integration of state-of-the-art technologies within the field of communication. She is driven by a desire to contribute to sustainability efforts, aiming to develop solutions that not only advance the field but also help protect the environment.

Eric Vetha

Undergraduate Researcher

Eric is 3rd year undergraduate Robotics Engineering student at UC Santa Cruz. Eric is working on the software of wireless underground backscatter tags and the radar which are used to collect information regarding soil moisture content.

Josie Dominguez

Undergraduate Researcher

Josie is an undergraduate at UC Santa Cruz working towards a B.S. in Electrical Engineering. With a focus on electrical hardware and PCB design, she is pursuing research in RF and sensor design. She will be participating in embedded systems/electronic integration research at UCSD over the summer for their Engineers 4 Exploration REU.

Matthew Kaltman

Undergraduate Researcher

Matt is an undergraduate studying Robotics Engineering with an emphasis in Electrical Engineering at the University of California, Santa Cruz. Matt is working with the Greener Greenhouses team to develop a sensing node that is powered and communicated to via Visible Light Communication.

Aaron Wu

Full Stack Developer

Aaron is a 4th year undergraduate Computer Science student at UC Santa Cruz. He is working on developing the Open Sensing Platform that helps researchers monitor sensor data from microbial fuel cells.

Former Members

Brian Govers

Research Assistant

Brian is a recent UCSC graduate with a degree in Electrical Engineering. Now in his first year of the Electrical and Computer Engineering M.S. program, he hopes to earn a degree with a focus in Robotics, Control, and Cyber-Physical Systems. Brian is working on developing a communication infrastructure to collect and process sensor data from the UCSC farm.


Primary Research Assistant

Revanth Kottur Sivakumar is in the class of 2023 at Amrita University (India). He majors in electrical engineering.