Brian Ellin is a Chief Product Officer at Tempo. He possess expertise in rpx, authentication, facebook, jsp, openid and 4 more skills. Colleagues describe him as "Brian is one of those guys who immediately comes across as a great engineer from the first day you meet him. As he has shown time and time again, he knows how to take a concept and turn it into working production code. What is really impressive about Brian is that he is also then able to take his technical background, get up in front of hundreds of people, and share his knowledge; not a skill that you find in every software engineer."