Miller has appointed Martin Dimas as head of the Indonesia Desk based in Singapore. The appointment is part of Miller's broader focus on regional growth in Southeast Asia, particularly within the Indonesian reinsurance market.
Dimas brings more than 15 years of experience in broking, underwriting, and client management across multiple lines of business, including property and casualty, aviation, and specialty lines.
He has held roles in both international and regional markets, working with firms such as PWS Labuan Ltd, PWS Indonesia, Willis Re, Gallagher Re, and PT. Reasuransi Nusantara Makmur.
At PT. Reasuransi Nusantara Makmur, where he served as associate director, Dimas was responsible for technical operations in the non-life segment, with a focus on claims management and underwriting.
Prior to that, at Gallagher Re, he headed non-life cedant facultative and treaty operations, managing reinsurance placements and client strategies across the Indonesian market.
His experience also includes time at Willis Re, where he served as director and broking senior manager, overseeing cedant facultative business and facility programs. He was also part of the joint venture team between Willis Re and Miller Insurance, handling key accounts in Indonesia.
Earlier in his career, Dimas held technical and broking roles at PWS Indonesia and PWS Labuan Ltd, managing treaty and facultative business for multiple classes including marine, aviation, engineering, and casualty. His scope extended beyond Indonesia to territories including Malaysia, Thailand, Brunei, and the Pacific Islands.
Dimas holds a bachelor of business in accounting and Finance from Charles Sturt University and is a senior associate of ANZIIF. He also holds professional qualifications from the Chartered Insurance Institute, the Malaysia Insurance Institute, and CPA Australia.
In his new role, Dimas is tasked with leading the development of Miller’s Indonesian reinsurance business across all lines. He will be based on-site in Singapore.
The appointment comes amid Miller’s wider expansion strategy across Asia, which includes the recent launch of a new office in Korea. As part of this effort, the firm named David Kim as head of Korea operations to establish a local presence and provide reinsurance solutions tailored to the region.
In 2024, Miller reported total revenues of £271 million, a 13% year-over-year increase. The growth was driven by organic business expansion and targeted investments in both technology and human capital.
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