Sean Duffy

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I'm into brands. Specifically helping companies grow strong brands across borders. Today that means merging traditional marketing practices with web 2.0 and social media. I've been working with advertising and brand strategy for over 25 years in Boston, San Francisco, Stockholm and Copenhagen.

After 18 years working as creative director for some of the world's largest ad agencies I decided to start my own in 2001. Today Duffy Agency has offices in Boston, Massachusetts and Malmö, Sweden. I split my time between Sweden and the States.

I enjoy sharing what I've learned with others and try to do that in my blog, Brand Rants. I'm also a regular guest-lecturer at the Lund University School of Economics & Management where I lecture to graduate students on social media and international branding.

I have served six years as Director of the European Chapter of the TAAN Worldwide ( A member of the American Marketing Association, I'm also active in the Swedish American Chamber of Commerce as well as the Swedish Chinese Chamber of Commerce. Oh, and every Movember I grow an ugly mustache.

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