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Sierra Signorelli on GCP:

GCP short #06

Sierra Signorelli

Chief Underwriting Officer


Sierra Signorelli is the Chief Underwriting Officer for Zurich Commercial Insurance, responsible for driving the underwriting and risk engineering strategy globally.


Sierra has 20 years’ experience in the corporate insurance market. She has lived and worked on three continents in the last decade, leading both global and regional business. As the Chief Underwriting Officer for Zurich Commercial Insurance, Sierra is responsible for establishing the risk appetite, underwriting guidelines, portfolio oversight and overall underwriting results of the business. She is also responsible for new product development, data and analytics, pricing, and leads the team of risk engineers. She is highly engaged with key customers and works closely with our global distribution partners.


Prior to Zurich, she worked for AIG and held a number of senior positions within AIG’s Global Specialties division, including Global Chief Underwriting Officer and Regional Executive in the Asia Pacific region. Prior to her career in insurance, Sierra worked for analytic and risk engineering firms.

Ms. Signorelli holds a B.S. degree in Environmental Science from University of California, Santa Barbara and completed the Stanford Executive Program at Stanford University School of Business.

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