UIB Asia Reinsurance Brokers has announced the appointment of Markus Sayuti (pictured above) as executive director in its treaty & retro division, effective July 1.
Sayuti will report directly to the CEO and will work with senior management and business leaders to support the firm’s growth and operations across Asia.
Sayuti joins UIB Asia from Guy Carpenter, where he served as vice president for treaty operations in Singapore from December 2017 to June 2025. In this role, he led the strategic market development in key ASEAN markets.
Prior to Guy Carpenter, Sayuti was vice president for South and Southeast Asia markets at Peak Reinsurance in Hong Kong. From 2016 to 2017, he helped the company expand its footprint across the region, contributing to a 20% increase in gross written premium to US$83 million while maintaining a 97.6% combined ratio.
Between 2013 and 2016, he held the role of assistant vice president for treaty and facultative business at Aon Benfield Asia.
Earlier in his career, Sayuti served in technical and operational leadership roles at Chubb General Insurance, LTV Insurtech, and MRS Insurance Broker. At MRS, he co-founded the brokerage’s marine energy and accident and health division, managing health insurance consulting for a large state-owned client with 148,000 participants.
Sayuti began his career at Aon Risk in 2000, specializing in multinational insurance solutions.
He holds a bachelor’s degree in economics and insurance management from Atma Jaya Catholic University of Indonesia, along with additional qualifications from the Chartered Insurance Institute, ANZIIF, and universities including Harvard, Berkeley, and Nanyang Technological University, where he is currently pursuing an MBA.
UIB Asia, headquartered in Singapore, serves clients across multiple markets including Indonesia, the Philippines, Vietnam, and Taiwan. The firm operates as part of the UIB International network, which has a presence in London and other major insurance hubs.
Sayuti’s appointment also comes at a time when Asia’s reinsurance sector continues to navigate a hard market cycle. According to recent market analysis by NMG Consulting, reinsurers in the region are contending with pricing pressure, shifting capacity, and higher scrutiny on program structures.
NMG said that brokers that can leverage advanced analytics and timely market intelligence are viewed as better positioned to meet client expectations.
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