Iksu Choi received a B.S. degree in Mechanical Engineering from Sungkyunkwan University, Suwon, Korea in 2013. He is currently a Ph.D. student at the Robotics and Intelligent System Engineering Laboratory (RISE) at the School of Mechanical Engineering, Sungkyunkwan University, Suwon, Korea. Since 2019, he has been with the AI·Robot R&D Department at the Korea Institute of Industrial Technology (KITECH). His research interests include series elastic actuators, meal-assistance robots, and reinforcement learning.