Most recently I was CTO of Highrise. The CRM that spun out of Basecamp. I led our scrappy remote engineering team as we revitalized a 10 year old Rails app used by hundreds of thousands of businesses around the world. Before that I worked at Dropbox. I was product manager on photos, mobile, and contacts, and helped kick off the Carousel. And before that I co-founded Snapjoy. You can find me on Twitter.

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Wentworth is co-founder of The ROM Group, a customer-centric marketing services firm. Thursday, January 15, 2009. Three Keys to Winning Marketing Strategy. Usually depicted in a ven diagram with four overlapping circles. They were originally introduced by Harvard advertising professor Neil H. Borden in 1964 in his article. The Concept of the Marketing Mix. These four key elements have been at the core of marketing strategy since then.