"Cut the Crap" HR Business Partner Recruiting

The ultimate end in being a business partner is to be a key player in driving the direction of the business. Two ultimate examples I’ve seen are HR manager being the out of office business contact for an area manager, and a VP of HR who was trusted to take a VP role in the business.

In my experience, really successful business partners (business drivers) have three common attributes:
1. Personality - Likeable, Charismatic, REAL/authentic
2. Confidently Persuasive
3. Posesses a strong grasp of how people impact business success that they can articulate in the language of business leaders

So if these are really the types of people we're looking for, do we continue to use standard techniques to hire the right people? What are some ways we can "cut the crap" out of our recruiting processes to target our hiring to successful HR business partners?

Interested to hear your thoughts. Here are some UNPLUGGED ideas on assessing business partner candidate fit (we'll leave it to you to determine which ones we've actually heard of being used, and which haven't) We'd love to hear your ideas...please add them in the comments.

-Pre-warn the candidate that the interview may last 15 minutes to an hour. Don't waste an hour if you know there's no hope...give them feedback on the spot and save yourself an email or phone call later.
-Likeability: Score on your assesment guide about how you'd feel after a 5 hour plane ride beside them.
-Persuasiveness: Have them try to persuade you of the merits of a 5-hour workday
-Business Understanding: Case study interview including some basic financials
-Likeability: "Date" the candidate - Go to a sporting event, take them bowling or have a casual lunch with them to get a sense of their authenticity and find out what they're really about
-Persuasiveness: Send them out with a salesperson for your company and see how well they can sell your product
-Persuasiveness: When they come in for an interview, send them to a business leader to deal with an actual HR issue...talk to the business leader after to see how they did.
-Persuasiveness/Authenticity: Ask them in the interview why you should offer them the job. Challenge their responses: How do you know you want the job? What makes you think you'd be successful here?

What are some other "cut the crap" ways to effectively assess a good business partner without spending hours on those who are not a good fit? Be creative...