Unum Group (NYSE: UNM) has promoted Andrew Walker to Executive Vice President, Chief Customer Operations Officer, according to a company statement.

Walker joined Unum Group in 2025 as Senior Vice President, Chief Customer Operations Officer. In his expanded role, he will oversee benefit operations, service delivery, and transformation initiatives within the company's Customer Operations organization.

"Andrew has quickly made an impact by strengthening the way we serve customers and run our operations," said Rick McKenney, president and chief executive officer of Unum Group. "This expanded capacity reflects the critical role Customer Operations plays in how we deliver for customers every day."

Before joining Unum Group, Walker served as Executive Vice President and Chief Operations Officer at Western Union. He also held senior operations leadership roles at USAA and Nationwide. Walker holds a Bachelor of Science degree in accounting from Herbert Lehman College in New York and completed the Bank Administration Institute program at Owen Graduate School of Management at Vanderbilt University.