4th Software Engineering Education Workshop (SEED 2021) & 9th Workshop on Quantitative Approaches to Software Quality Editors: 0 0 Benjamin Gan, Singapore Management University Eng Lieh Ouh, Singapore Management University Bimlesh Wadhwa, National University of Singapore Shailey Chawla, James Cook University, Singapore Horst Lichter, RWTH Aachen University, Germany Selin Aydin, RWTH Aachen University, Germany Thanwadee Sunetnanta, Mahidol University , Thailand Toni Anwar , University Petronas , Malaysia 2021