6 rounds of Interviews with all the executives around the globe including a written test which took about a month for a 'contract' position. They said it went very well and wanted to conduct reference check. Before the ref checks, apparently a local employee gathered malicious unsolicited feedback from an undisclosed past colleague and they took it more seriously than my stellar formal references. In the end, I was not offered the job. What an irony for the world's largest leadership institute to behave so un-leader like.

Compared to other interviews I've had, HBP was quick. I met with one person, and we had a casual conversation. For an entry level position, I think this was a good approach.