Seattle: Microsoft co-founder and philanthropist Paul Allen on Monday passed after succumbing to incurable cancer. After the death of the 65-year-old technologist, Allen’s sister Jody released a statement on behalf of the family, hailing the Microsoft co-founder as a “remarkable individual on every level.”

“While most knew Paul Allen as a technologist and philanthropist, for us he was a much loved brother and uncle, and an exceptional friend. Paul’s family and friends were blessed to experience his wit, warmth, his generosity and deep concern. For all the demands on his schedule, there was always time for family and friends. At this time of loss and grief for us – and so many others – we are profoundly grateful for the care and concern he demonstrated every day,” the statement read.

Earlier, the billionaire had revealed that he was receiving treatment for non-Hodgkin’s lymphoma.

Microsoft’s Chief Executive Officer (CEO) Satya Nadella also mourned the loss of Allen and extended condolences to the latter’s family. “Paul Allen’s contributions to our company, our industry and to our community are indispensable. As co-founder of Microsoft, in his own quiet and persistent way, he created magical products, experiences and institutions, and in doing so, he changed the world. I have learned so much from him – his inquisitiveness, curiosity and push for high standards is something that will continue to inspire me and all of us at Microsoft. Our hearts are with Paul’s family and loved ones. Rest in peace,” a statement from Nadella read.

Notably, Allen co-founded Microsoft alongside Bill Gates in 1975. Before his death, he was estimated to be the 46th-richest person in the world, with an estimated net worth of USD 20.2 billion, including 100 million shares of Microsoft.

The American business magnate also owned two professional sports teams: the Seattle Seahawks of the National Football League and the Portland Trail Blazers of the National Basketball Association, and was part-owner of the Seattle Sounders FC, which joined Major League Soccer in 2009

(With ANI inputs)