Sangrok Jin is a Visiting Scholar at the Department of Radiology, Brigham and Women’s Hospital (BWH), Boston, MA, from Pusan National University (PNU), Korea. He is specialized in mechanism design and control of medical robots. At PNU, he serves as an Associate Professor of the School of Mechanical Engineering and the Director of Advanced Robotics Lab. He received his B.S. degree in 2008 and a Ph.D. degree in 2014 from the School of Mechanical and Aerospace Engineering, Seoul National University (SNU), Korea. He was a Senior Research Associate at the department of neurosurgery, the University of Texas Health Science Center (UTH), Houston, TX, from 2016 to 2017.