Dive Brief:

• Signet Jewelers Ltd., which acquired Zale Corp. last month, has announced the resignation of former Zale CEO Theo Killion effective July 31.

• Killion had led Zale’s turnaround beginning with his arrival as CEO in 2010, and it had been previously announced that he would continue to lead Zale as a Signet division.

• George Murray, Signet’s current chief integration management officer, has been promoted to president of the Zale division and will take Killion’s place at the company. Amid several other changes, chief financial officer Ronald Ristau is also resigning, to be replaced by Signet senior vice president and controller Michele Santana.

Dive Insight:

One of the biggest challenges for any newly-formed retailer after a merger is integrating the two companies. As a result of those efforts, there are often significant management changes, for good or for ill. The issue for Signet is whether this particular shakeup is the right thing for them in the long run; time will tell.