Katherine H. Antonello serves as President and Chief Executive Officer of Employers Holdings, Inc., a specialty insurance holding company focused on workers' compensation insurance and related services. With more than 30 years of experience in the insurance industry, she joined Employers in 2004 as Vice President of Strategic Initiatives, bringing expertise from prior roles at Marsh & McLennan Companies and other prominent firms. Antonello's career trajectory at Employers has been marked by rapid advancement, including positions as Senior Vice President of Operations, Executive Vice President and Chief Operating Officer, before ascending to her current role in 2019. Under Antonello's leadership, Employers Holdings, Inc. has achieved significant milestones, including consistent profitability, expanded market share across key regions, and enhanced digital capabilities to streamline services for brokers and policyholders. Her strategic initiatives have driven strong financial results, such as record revenues and shareholder returns, while prioritizing operational efficiency and risk management in a competitive landscape. Antonello's focus on innovation and customer service has solidified the company's reputation as a reliable partner in the workers' compensation sector. A summa cum laude graduate of the University of California, Los Angeles (UCLA) with a bachelor's degree in economics, Antonello also holds an MBA from the University of Southern California (USC) Marshall School of Business. She is actively engaged in industry leadership, serving on boards and committees that advance insurance practices and professional development.