Daniel Clancy is a CEO Twitch at Amazon. Colleagues describe them as "Dan Clancy is one of the smartest people I know. He is also a visionary. He brought both of these qualities to his various positions at NASA ARC. I worked with Dan in program development and management of computer science R&D within NASA. Dan is a powerful advocate, a persuasive speaker, and a leader." and "Dan served as Chief of the NASA-Ames Exploration Office, displaying courageous leadership in advocating for his constituency. Dan grasped the technical issues across disciplines and presented them effectively."