US-based commercial insurance holding company, W R Berkley has promoted Andrew Tuma as the new president of Berkley Surety Group with immediate effect.

Tuma recently served as the company’s executive vice president and chief operating officer.

W. R. Berkley Corporation chief executive officer and the board chairman William Berkley said: ”Berkley Surety is a leading provider of surety coverages in the U.S., and this appointment highlights W. R. Berkley Corporation’s ongoing long-term commitment to being a significant force in the surety marketplace.”

Based in Morristown, Berkley Surety Group is a service-oriented and highly professional surety underwriting management facility, offering a full spectrum of contract and commercial surety products through several distribution channels, including brokers, multi-line insurance agents and professional surety producers.

WRB is an insurance holding company that operates in five segments of the property casualty insurance business namely specialty insurance, regional property casualty insurance, alternative markets, reinsurance and international.