I argued with the father of open source for 2 years. Now the AI fight is the same — only bigger

David Siegel is a computer scientist, entrepreneur, and philanthropist. He co-founded Two Sigma, a financial sciences company, with the belief that innovative technology and data science could help discover value in the world’s data.
David’s philanthropic efforts underscore his conviction that education, science, and technology are the keys to a better world. In keeping with this vision, he founded Siegel Family Endowment in 2011 to support organizations and leaders that will understand and shape the impact of technology on society.

He is a member of the Executive Committee of the MIT Corporation and is Chairman of the Board of Overseers at Cornell Tech. David also serves as Vice-Chair of the Scratch Foundation, an organization he co-founded in 2014 to support Scratch, a programming language and online community for children. In addition, he is a board member of NYC FIRST, FIRST National, Khan Academy, and Stanford’s Center on Philanthropy and Civil Society.