Shri S. Ramann, belongs to 1991 batch of Indian Audit & Accounts Service (IA&AS). He joined as Chairman & Managing Director, Small Industries Development Bank of India (SIDBI) from 19th April 2021. Before joining SIDBI, he was MD & CEO of National E-Governance Services Limited (NeSL) from December 2016. Prior to joining NeSL, Mr Ramann was the Principal Accountant General (Audit), Jharkhand, Ranchi during 2015-2016. He worked with SEBI as CGM and later Executive Director between 2007 & 2013.

He held various positions in the offices under the C&AG of India in various States and also worked as Executive Secretary to the C&AG of India. He worked as First Secretary, at Indian High Commission, London for auditing the accounts of various Indian Embassies in Europe. He is BA (Hons) Economics from St Stephens College and MBA from FMS, Delhi University. He has done M. Sc. in Regulations from London School of Economics and Certified Internal Auditor from IIA Florida. He completed LLB from Mumbai University and Post Graduate Diploma in Securities Law.