Reinsurance firm RenaissanceRe has announced two management changes.

Sean Brosnan, vice-president, managing director investments of Renaissance Services of Europe, and CEO of Renaissance Reinsurance of Europe, has been promoted to senior vice-president and chief investment officer of RenaissanceRe.

And Aditya Dutt, president of RenaissanceRe Ventures and senior of RenaissanceRe will take on the additional role of treasurer of RenaissanceRe, to include responsibility for investor relations and corporate development. He will continue to lead the company’s ventures unit.

The two will take on roles held by Todd Fonner, senior vice-president, chief investment officer and treasurer of RenaissanceRe, who has decided to leave the company to pursue other opportunities at the end of March next year.

Robert Qutub, chief financial officer, said: “We are grateful for the talent and dedication Todd brought to his roles at RenaissanceRe over the course of the past 15 years.”

And he added that Mr Fonner would continue with the firm in an advisory role for some time following his official departure.