Sunjin Choi received the B.S. degree in electrical and computer engineering from Seoul National University, Seoul, South Korea, in 2020. He is currently pursuing the Ph.D. degree in electrical engineering and computer sciences at the University of California at Berkeley, Berkeley, CA, USA. He held an internship position at Ayar Labs and X, the moonshot factory, working on electronic-photonics integrated systems design. His current research interests include integrated systems design, high-speed optical transceivers and optical system architectures.