Dr. Arnab Chakraborty serves as the Director and Head of Learning and Development at TOTSOL Technologies Private Limited since June 1996, leading various training workshops and corporate consultancy for prominent organizations across diverse topics, including project management and programming. In addition, Dr. Chakraborty is the Managing Director of Techsol Technologies Bangladesh Limited and has contributed as an online trainer for Unacademy, CodeChef, and WizIQ, focusing on campus preparation, competitive programming, and other technical skills. Educational qualifications include a Doctor of Business Administration in Data Science and Machine Learning from the Swiss School of Business and Management, and multiple degrees in Computer Science and Business Administration from the University of Calcutta and the International Institute of Management Science. Dr. Chakraborty has also held academic roles as an Assistant Professor and Visiting Lecturer at various institutions.