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This edition of International People Moves details appointments at RiverStone International and MS Reinsurance.

A summary of these new hires follows here.

RiverStone Taps Enstar’s Brockman as Group CEO, Succeeding Tanzer

RiverStone International Holdings, the UK-based acquirer and reinsurer of legacy and discontinued insurance business, announced the appointment of Paul Brockman as group chief executive officer to succeed Luke Tanzer who is retiring later this year.

RiverStone also announced the appointment of Andrew Creed as group president in addition to his role as group chief financial officer.

Brockman will join RiverStone from the Enstar Group where he has most recently served as group chief commercial officer. He has also previously served within Enstar in a number of roles including group chief operating officer, group chief claims officer and CEO of both Enstar’s US and European businesses.

Brockman has spent more than 30 years in the legacy sector and has significant experience in the US, London, Bermuda and international markets. He is expected to join in January 2026, and his appointment is subject to customary regulatory approvals.

Creed will be promoted to the position of group president and will continue as group chief financial officer. RiverStone said Creed has been fundamental to the company’s growth and success for more than 12 years as finance director, group chief financial officer and chief executive officer of RiverStone’s UK and Lloyd’s businesses. He has extensive expertise across all aspects of the group which he will bring to his new role.

A statement from the board of Riverstone said: “The board would like to thank Luke for his enormous contribution as group CEO of RiverStone over the past 16 years from its time as part of the Fairfax Group and then as an independent company since the change in ownership to funds managed by CVC in 2021. During his leadership the group has grown from a UK-focused business into a global leader in non-life run-off insurance, while maintaining the strength of its culture and focus on relationships with all stakeholders.”

Since 2010 RiverStone has completed 47 transactions acquiring US$17.7 billion in gross liabilities. In 2024 the group reported $300 million in adjusted profit before tax with a 19.1% return on opening adjusted tangible book value.

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MS Reinsurance Restructures Underwriting Operations, Making Leadership Changes

MS Reinsurance (MS Re), the Zurich-based global reinsurer, announced a series of leadership changes to its underwriting operations in Switzerland, Bermuda, and the U.S.

Structural adjustments have also been made within the Americas, International, and Global Specialty Lines business units to ensure that underwriting teams are more directly connected to the clients they serve.

MS Re will organize its specialty offering underneath a Global Specialty Lines umbrella, including Engineering. This will allow the company to concentrate on the unique needs of these business lines.

MS Re’s Americas and International P&C offering will be further aligned to client types to deepen client understanding, deliver broad client solutions, and meet the evolving demands of its client base.

“These changes will build on our success to date and put us in a position to continue growing our business in the future,” said Charles Goldie, group chief underwriting officer at MS Re. “Over the past three years we have nearly doubled the size of our business by focusing on the key needs of our clients and being a reliable and consistent partner for our brokers and clients.”

The changes in leadership are as follows:

• Joerg Bruniecki will transition to the role of chief underwriting officer (CUO), Global Specialty Lines, from CUO, International. (Goldie has held the role on an interim basis for the past 18 months, in addition to his group CUO role.)
• Andy Hottinger, previously head of EMEA P&C, will be promoted and succeed Bruniecki to lead the International team as CUO, International.
• Louis de Segonzac will continue in his role as CUO, Americas.

Direct reports of the business unit CUOs are as follows:

• Within the Global Specialty Lines business unit, MS Re has promoted Paul Murphy to lead a dedicated Financial Risks team. This team will be responsible for the global credit, surety, political risk, and mortgage business. The company will also establish a Specialty Property team, led by Andrew Shaw, who was previously head of US Property. This team will manage MS Re’s Global Engineering business and other specialty risks including complex industrial and corporate risks. Rinat Bektleuov will continue to lead Agriculture business.

• Within the International business unit, David Raich has been promoted to lead the European Mature Markets team. Growth Markets will be led by Luciano Castagna. APAC and International Complex Cat will be led by Phil Froncioni, and International Casualty, MGA, and Non-Standard Solutions will be headed up by Stefan Behr. These changes enhance its current client-oriented structure, while recognizing the growth of the MGA market in Europe and the opportunities it may present.

• The Americas business unit structure closely mirrors the region’s client types. Joe Banker will lead the Regional Client team, and Maria Amelio will oversee two teams: National Carriers led by Jerry Farrell, and MGA/Program business led by MJ Chapleau. Lucas Castagnino will continue to lead the Latin America and Caribbean team, with no change to the structure.

Topics Underwriting Leadership Reinsurance Mississippi