On January 21, 2021, a research article “Government COVID-19 Responses and Subsequent Influences on NO2 Variation in Ayutthaya, Thailand” by Assistant Professor Akira Kodaka, Ph.D. (Keio Univesity, Japan), Assistant Professor Natt Leelawat, D.Eng. (Department of Industrial Engineering, Chula Engineering), Jing Tang, D.Eng. (International School of Engineering, Chula Engineering), Mr. Yasushi Onda (Keio University), and Professor Naohiko Kohtake, Ph.D. (Keio University); and a research article “Convex Optimization Approach to Multi-Objective Design of Two-Stage Compensators for Linear Systems” by Mr. Tanathorn Supithak (Undergraduate student of Department of Electrical Engineering, Chula Engineering), Ms. Nicha Wongyimyong (Alumnus of Department of Electrical Engineering, Chula Engineering), Professor Kou Yamada, Ph.D. (Gunma University, Japan), and Professor David Banjerdpongchai, Ph.D. (Department of Electrical Engineering, Chula Engineering) were selected to receive the Best Paper Awards from the 2nd International Symposium on Instrumentation, Control, Artificial Intelligence, and Robotics (ICA-SYMP 2021) organized by the Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI) Association, and technically co-sponsored by IEEE Thailand Section, Artificial Intelligence Association of Thailand (AIAT), and Thai Robotics Society (TRS) at King Mongkut’s University of Technology Thonburi, Bangkok during January 20-21, 2021