[This post is part of an on-going series of video interviews with members of the start-up community – see a list of links to the full series here.]
A chemist turned turned IT security and clean tech expert, Ralph Sheridan has been buying and investing in companies for over 30 years. For the last five or so, he’s been concentrating on doing it with his own money as an angel investor. Ralph’s a thoughtful and intelligent investor who is always wiling to make time to speak with an entrepreneur (see the video at the 1:30 mark if you don’t believe me!). He’s also been a great source of advice and counsel for me, so when we got together for breakfast recently, I figured it was high time to add him to the video interview series. This conversation was recorded in May 2012. (Email subscribers, click here for video.) [Read more…]