Complex sentence: He held the Satish Dhawan chair professorship of the Division of Information Sciences of IISc from 2003 to 2006 and is a former member of the National Security Advisory Board and the Telecom Regulatory Authority of India.
Split into simpler sentences: He held the Satish Dhawan chair professorship of the Division of Information Sciences of IISc from 2003 to 2006. He is a former member of the National Security Advisory Board and the Telecom Regulatory Authority of India.