71 employees have rated Cass Information Systems Chief Executive Officer Eric H. Brunngraber on Glassdoor.com. Eric H. Brunngraber has an approval rating of 57% among the company's employees. This puts Eric H. Brunngraber in the bottom 25% of approval ratings compared to other CEOs of publicly-traded companies. 70.0% of employees surveyed would recommend working at Cass Information Systems to a friend.