Diane P. Mika Named Chief Risk Management Officer of Berkley Alliance Managers

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GLASTONBURY, Conn. (April 2, 2026) — Berkley Alliance Managers, a Berkley company specializing in professional liability insurance solutions for design, construction and service professionals has announced the appointment of Diane P. Mika as chief risk management officer.

Mika previously served as senior vice president, risk management officer and department head for Berkley Alliance Managers. She brings more than 30 years of professional liability insurance experience and a distinguished record in risk management and loss prevention education. In her new role, she will lead the client-facing risk management function for Berkley Construction Professional, Berkley Design Professional and Berkley Service Professionals, advancing the organization’s commitment to delivering industry-leading resources and solutions.

“Diane’s deep expertise in professional liability risk management, paired with her leadership in developing innovative learning and loss prevention programs, makes her uniquely qualified to lead the risk management services we provide to clients,” said Stephen L. Porcelli, president of Berkley Alliance Managers. “Her vision, industry insight and commitment to elevating client education will continue to strengthen the value we deliver to construction, design and service professionals.”

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