After completing his education in 1991, his first employment was at Bush Boake Allen, Chennai as a quality control executive. While working, he simultaneously studied and completed his BEd in chemistry. Immediately after completing his B.Ed, he began his foray into the research and development division of Amrutanjan Healthcare after his meeting with Mr. Radhakrishnan, the then managing director of Amrutanjan. Dr. E K T Sivakumar is presently visiting professor at Anna University – Department of Ceramic Technology and earlier at the Centre for Nanoscience and Technology. He is the editor of Valarum Ariviyal magazine and to his credit, he has Dr. Mylswamy Annadurai, the famous Chandrayan expedition scientist in ISRO on the editorial board. He is also the founder of ESR Foundation, Chennai, and ESRO – Education and Social Research Organization.[2] and associated with NESA, New Delhi. He has also authored more than 24 books and participated in various international seminars and presented papers[3] on various scientific forays.

He has participated in various international seminars, workshops, and science conferences and presented papers on a range of scientific topics. Some of the responsibilities that ESRO has taken up are facilitating scholarships to meritorious and needy students to pursue higher education, clean water, and sanitation program, civil society programs at poorest areas, initiation of research activities on environmental pollution, and mitigate consequences of a natural disaster. His 32 years of service for the society as a scientist, journalist, and philanthropist were first documented in a Tamil book titled ‘Sigarathai Nooki EKT Sivakumar’. Subsequently, his accomplishments, life learnings, and experiences with stalwarts like Dr. APJ Abdul Kalam and Dr. Mylswamy Annadurai were penned in an English book ‘Scientist on a Social Mission[4]’ that was released in English 2018.