Shake Shack founder shares the green flags he looks for in new hires: ‘I really don’t give a damn what your IQ is’

• Shake Shack founder Danny Meyer has high standards for new hires: Even if they are highly capable, a lack of hospitality skills like integrity and work ethic can still cost them the job.

As the founder of the now 510-location-strong Shake Shack, Danny Meyer has helped hire thousands of the best burger flippers and milkshake creators. However, he scrutinizes talent much more intently than you may expect.

Even if someone appears highly capable, they may not be cut...