New York Life Insurance Company has brought in Richard Mucci to be chairman of New York Life International.

Mucci will succeed Joseph Gilmour, who has decided to leave the company, according to New York Life, New York.

New York Life International generates about $2 billion in operating revenue and more than a quarter of New York Life’s total life insurance sales, the company reports.

Mucci previously was head of the group benefits division at Hartford Life, an arm of Hartford Financial Services Group Inc., Hartford.

Mucci has a bachelor’s degree and a master’s degree in mathematics from Boston College.

In related news, Hartford says Ronald Gendreau will take over from Mucci as the executive vice president in charge of the group benefits division.

Gendreau previously was a senior vice president in charge of risk management and customer service for the division.

Gendreau has a bachelor’s degree in mathematics from Stonehill College. He is a Fellow of the Society of Actuaries.