Michaela J. Hildreth serves as Managing Director and Chief Accounting Officer at White Mountains Insurance Group, Ltd., where she oversees all aspects of financial reporting, accounting operations, internal controls, and compliance for the Bermuda-based financial services holding company. With over 20 years of experience in the insurance and financial sectors, Michaela joined White Mountains in 2015, bringing a wealth of expertise from her prior roles at leading firms. She began her career at Deloitte & Touche in New York, specializing in audit services for insurance clients, before advancing to senior positions at Arch Capital Group Ltd., where she managed global accounting teams and navigated complex regulatory environments. Throughout her career, Michaela has been recognized for her strategic leadership in implementing robust financial systems and driving operational efficiencies. Notable achievements include spearheading the successful integration of accounting functions during White Mountains' key acquisitions, such as the Ark Acquisition, which enhanced the company's portfolio and reporting capabilities. She has also played a pivotal role in ensuring compliance with IFRS and SEC requirements, contributing to the company's consistent delivery of transparent and accurate financial disclosures that have earned investor confidence. In her current role, Michaela leads a high-performing team focused on innovation in financial technology and risk management, supporting White Mountains' long-term value creation for shareholders. Her commitment to ethical governance and professional development is evident in her mentorship of emerging talent and her active involvement in industry forums, solidifying her reputation as a trusted leader in insurance accounting.