MSORSM co-organised the 2nd National Seminar on Optimization and Data Sciences (NSODS2020) with Centre for Actuarial & Analytics Research, Sunway University Malaysia, which was held from 26 – 27 September 2020 at Wyndham Acmar Klang, Malaysia. The objective of the NSODS series is to provide a platform for scientists, engineers, researchers, and practitioners to exchange ideas and approaches, to present research findings and state-of- the-art solutions, to share experiences on potentials and limits, and to open new avenues of research and developments, on issues and topics related to optimization and data sciences. The seminar attracted altogether 20 participants from Universiti Putra Malaysia, Universiti Tunku Abdul Rahman, Universiti Tun Hussein Onn and USCI University with one keynote speech, nine invited speeches and four research paper presentations.