Arun took early retirement from his corporate career to focus on bringing the benefits of IT/Telecom to real world businesses in energy, health, fintech, medtech, education, hospitality etc. via a vibrant entrepreneurial system and give back to society. He is currently an Independent Director on many boards. He is also an active advisor to Avendus Capital, Nutanix USA, United Technologies (Eco Energy Division) for energy savings through IOT, MMTC PAMP for driving its Digital Gold strategy and InMobi (a global ad tech platform) which he incubated in 2007. He co-chairs the Nasscom Product Conclave and the Nasscom Product Council. He has been an active angel investor over the past two decades.  As a founding Charter Member of TiE Delhi and Indian Angel Network, he has been part of angel funds and mentors a number of start-ups in the tech space in India and USA.

He is an alumnus of IIT Kanpur and IIM Calcutta and remains actively involved in Alumni Affairs. He has worked in senior commercial positions in BT, HCL, Usha Martin and the UB Group, in a career spanning four decades. He is also a Governing Member on the Helpage India Board, in SPIC-MACAY, NCPEDP (Employment for Disabled people) and Nudge Foundation.