RiverStone hires Catalina’s CIO, boosts board leadership in growth push

RiverStone International, a legacy specialist operating in the UK and Lloyd’s of London markets, has boosted its top leadership with the hiring of a group chief investment officer (CIO) from Catalina, and a non-executive director who also serves on the boards of Hiscox, the Argus Group, and Pacific Life Re.

Costas Miranthis (pictured) joins as an independent non-executive director to the group board, and Neil Taylor as the group CIO.

Miranthis has more than 35 years of experience in the financial and insurance sectors, including 13 years at Partner Re where he was most recently president and chief executive officer. He also serves on the boards of Hiscox, the Argus Group, and Pacific Life Re as an independent non-executive director. The company said Miranthis’ significant experience in underwriting and actuarial roles and strong leadership will support its expansion.

Taylor has spent 11 years at Catalina, the non-life run-off specialist insurer, as the European chief investment officer, responsible for all of Catalina’s regulated insurance entities in the region.

RiverStone said Taylor has deep insight into how an investment function of a legacy business can operate optimally with credit experience across multiple asset classes and geographies, which will be critical as the company establishes its own independent investment strategy.

Luke Tanzer, chief executive officer of RiverStone International, said: “As RiverStone International continues to expand, we seek to hire the industry’s leading specialists who will strengthen our capabilities and help us offer the best possible service to our clients. We are delighted to welcome Costas and Neil to our Group. They bring a wealth of experience and will be central to achieving our growth plans as a focused independent company.”

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