Prudential Retirement appoints president

Christine Marcks was named president of Prudential Retirement, replacing John Y. Kim, who announced his resignation Tuesday. Mr. Kim will leave the firm later this month “to pursue other opportunities,” said Mary Flowers, a Prudential spokeswoman. She declined to comment further. Ms. Marcks will report to Prudential Vice Chairman John Strangfeld. Ms. Marcks was a vice president at Prudential. She joined Prudential in 2005, leading the design of Income Flex, an investment offering that gives participants a guaranteed income for life, said a Prudential spokeswoman. Information on a replacement was not immediately available.