Buchanan had a total compensation package worth more than $20 million, making him one of the highest-paid executives in Wisconsin.

The Kohl's board "really didn’t do their due diligence on this guy," said Margaret Hughes-Morgan, a Marquette University management professor.

Ashley Buchanan, a seasoned retail executive with an extensive resume that includes leadership positions at Walmart, Sam’s Club, and The Michaels Companies, was abruptly terminated from his role as CE