Sentence:  Besides an executive sponsor, you need to find a technology <WSD>maven</WSD>, someone within the company who understands the new technology. A <WSD>maven</WSD>, as defined in Malcolm Gladwell′s "The Tipping Point", is a person who has both information and the social skills to pass it along. The challenge in a situation such as this one is that the <WSD>maven</WSD> might be outside of IT. 
Meaning of the word marked with <WSD> tags:  An expert in a given field.