Venkataramanan is the Chief Scientific Officer at McRae Imaging, Toronto. Prior to that, he was the Director, Scientific Operations at the Impact Centre at the University of Toronto. He is also the founder and director of Smart Sustainable Lighting Network (SSLNet), an academia-industry cluster in Canada. Following his doctoral degree in Physics from the Indian Institute of Science, Bangalore, he held various research and teaching positions in the UK, India, Portugal and Japan. He was a Leverhulme Commonwealth/USA Visiting Fellow at the University of Strathclyde, Glasgow, UK and a Japanese Government Science & Technology Research Fellow at RIKEN, Tokyo. Venkat was an Adjunct Professor in the Department of Electrical and Computer Engineering at Ryerson University in Toronto. He is also the founder and Chief Technology Officer of Lumentra Inc.

Venkataramanan was the president of the Canadian National Committee of the International Commission on Illumination (CIE) from 2012-2019 and the Vice President (Canada) of the Joint Technical Committee ISO-CIE TC 274. He is a member of several CIE, ISO, ANSI, UL and CSA technical committees. Venkataramanan is also interested in science outreach; he has co-hosted science talk shows on radio and television for about four years.