ING U.S., the holding company for ING U.S.'s core Retirement, Investment Management and Insurance businesses, has expanded the roles and responsibilities for some members of its executive team.

Effective immediately, Rodney Martin, chief executive officer, will oversee ING U.S.'s core Retirement and Insurance businesses, while continuing with his current direct management responsibilities as CEO.

Alain Karaoglan has been promoted to chief operating officer and will assume oversight responsibility for ING U.S.'s core Investment Management business, Brand Marketing, Operations, and Information Technology, in addition to continuing with his responsibilities for Strategy and Corporate Development and Investor Relations. And Ewout Steenbergen, chief financial officer, will now assume oversight responsibility for ING U.S.'s Treasury and Capital Management activities.

"This structure better leverages the strengths and experience of all of our leaders, and intensifies our focus on helping Americans address their retirement needs through our outstanding asset accumulation, asset protection, and asset distribution products and services," stated Martin.