Based in the London office, Secrett will lead the underwriting and pricing functions at TMR, with responsibility for risk selection process and controls.
The role is intended to strengthen focus on analytics, in order to improve client services and underwriting results.
Secrett brings 30 years of experience to the role, joining from Lloyds, where he was interim head of underwriting performance. Previously, he held management positions at PartnerRe at Swiss Re.
The appointment is subject to regulatory approval.
Stephan Ruoff, CEO of TMR, said: “Brian Secrett’s expertise in underwriting, pricing and risk analytics combined with his long-term experience of building balanced underwriting portfolios, equips him perfectly for his new role at Tokio Millennium Re.”