Since meeting Alexander Kjerulf at euroGel 2006 last year, I’ve been following his work as the self-appointed Chief Happiness Officer with interest. He’s just released his first book, Happy Hour is 9 to 5. Alex is also one of the most energetic and inspiring people I’ve met. He’s kindly consented to be the first interviewee on this blog. I hope you enjoy it. AF: What first interested you about happiness at work?