Oskar Buchauer Appointed as new CFO for Allianz Global Corporate and Specialty SE

Allianz Global Corporate Specialty SE (AGCS) has appointed a new Chief Financial Officer (CFO) to its Board of Management.

With effect from September 1, 2023, Claire-Marie Coste-Lepoutre, CFO of AGCS for more than four years, will hand over to Oskar Buchauer, currently Head of Allianz Group Actuarial, Planning and Controlling and Group Chief Actuary.

As normal, the appointment of the CFO at AGCS SE is subject to regulatory approval.

Coste-Lepoutre will take on Buchauer’s role at Allianz SE as Head of Allianz Group Actuarial, Planning and Controlling and Group Chief Actuary.

In this role she will be working closely with Allianz Group CFO Giulio Terzariol to lead and steer key strategic and financial functions across all Allianz Group divisions: Property/Casualty Insurance (P&C), Life/Health Insurance, and Asset Management.

Buchauer will become CFO at AGCS at a time when AGCS and Allianz OEs around the world move into a new chapter as Allianz Commercial, working in partnership to build a ‘powerhouse’ business in the Commercial P&C segment (Mid Corp, Large Corp and Specialty).

He will take direct responsibility for Finance on the Board of AGCS SE, including Accounting, Treasury & Tax, Actuarial, Compliance, Finance Solutions, Global Performance Steering, and Risk Management.

Allianz SE Chief Financial Officer Giulio Terzariol comments;

“Having worked closely with Claire-Marie for a number of years, I am now delighted to welcome her back to Allianz Group center where her combination of international experience and technical knowhow will be a great asset. Oskar has done an outstanding job in his current role, and I wish him continued success as CFO of AGCS.”

AGCS Chief Executive Officer Joachim Mueller adds;

“Claire-Marie has been a big part of the turnaround and transformation of AGCS in the past few years and I want to thank her on behalf of everyone at AGCS for her exceptional contribution to all areas of the business. I know we all wish her the very best for the future! A warm welcome to Oskar as he joins AGCS at this exciting stage in our journey, realizing Allianz Commercial for the benefit of our customers.”

Claire-Marie Coste-Lepoutre joined AGCS as CFO in 2019, since when she has been deeply involved in AGCS’s portfolio remediation and return to profitability under the ‘New AGCS’ strategy led by CEO Joachim Mueller, taking on the additional role of Deputy CEO in early 2023.

Claire-Marie Coste-Lepoutre Allianz, Head of Allianz Group Actuarial, Planning and Controlling and Group Chief Actuary


Prior to AGCS, from 2015 she was Regional Chief Financial Officer of Allianz Benelux. Before that, she worked in Munich for the Allianz Group, leading the Group CFO office and then the business division for France, Benelux and Africa. A qualified actuary, she also spent seven years at McKinsey & Company, and five years at SCOR Reinsurance.

Oskar Buchauer has been Head of Allianz Group Actuarial, Planning and Controlling and Chief Actuary since 2018.

He was Chief Actuary for Allianz Group since 2010, and prior to that, Chief Risk Officer for Allianz Italy from 2005. He is also a qualified actuary, and previously held a range of leadership and technical roles with divisional or regional responsibilities at Allianz Group and outside Allianz with IT consulting and a local mutual insurer.

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