Simpson Thacher Executive and Leadership Team

Adrienne Boán, the Chief Financial Officer at Simpson Thacher, directs all global fiscal operations and financial planning initiatives. Overseeing the firm's capital allocation and budgetary frameworks, the Chief Financial Officer ensures long-term economic stability across international offices. This leadership role involves managing complex tax structures and regulatory compliance requirements inherent in the legal industry. By optimizing internal accounting processes, Adrienne Boán directly impacts the firm's ability to fund strategic growth and maintain competitive market positioning. Boán monitors cash flow performance while collaborating with the executive committee to align fiscal policies with the broader organizational mission. Through rigorous financial oversight, the Chief Financial Officer secures the resources necessary for sustained operational success in the competitive legal landscape. Boán maintains high standards of fiscal transparency and accountability throughout the entire firm.

Willis Gee, the Chief Information Officer at Simpson Thacher, architects the firm's digital infrastructure and cybersecurity protocols. Overseeing the integration of advanced legal technology, the Chief Information Officer drives efficiency in document management and secure client communication systems. This leadership role involves protecting sensitive data across North American and international operations through robust encryption and threat detection measures. By modernizing the firm's technological stack, Willis Gee directly impacts the speed and accuracy of legal service delivery. Gee collaborates with practice group leaders to implement software solutions that streamline complex transactional workflows. Through continuous innovation in information systems, the Chief Information Officer maintains the firm's reputation for technological excellence. Gee ensures that all digital assets remain resilient against evolving cyber threats while supporting the firm's expansive global reach.

Eric Edelson, the Chief Human Resources Officer at Simpson Thacher, manages talent acquisition and professional development programs for the firm's legal and administrative staff. Overseeing the recruitment of top-tier legal talent, the Chief Human Resources Officer fosters a culture of excellence and inclusivity. This leadership role involves designing performance management systems and compensation structures that attract and retain high-performing professionals. By implementing comprehensive training initiatives, Eric Edelson directly impacts the firm's ability to provide superior client service. Edelson coordinates with department heads to align workforce planning with the firm's long-term strategic objectives. Through the cultivation of a supportive work environment, the Chief Human Resources Officer drives employee engagement and organizational health. Edelson maintains a focus on professional growth, ensuring that the firm's human capital remains a primary driver of success in the global legal market.

Edina Jung, the Chief Human Resources Officer at Simpson Thacher, directs organizational culture initiatives and employee wellness programs. Overseeing the implementation of diversity and inclusion strategies, the Chief Human Resources Officer ensures that the firm's workforce reflects the global nature of the client base. This leadership role involves managing internal communications and conflict resolution processes to maintain a cohesive professional environment. By refining the firm's benefits and work-life balance policies, Edina Jung directly impacts the retention of elite legal practitioners. Jung collaborates with the partnership to develop leadership pipelines and succession planning frameworks. Through the promotion of a collaborative and high-performance culture, the Chief Human Resources Officer supports the firm's reputation as a premier employer. Jung drives initiatives that enhance the overall employee experience, ensuring that the firm remains a destination for the best legal minds.

Gopi Suri, the Interim Chief Information Officer at Simpson Thacher, manages the firm's IT operations and technical support services during periods of transition. Overseeing the maintenance of critical network infrastructure, the Interim Chief Information Officer ensures seamless connectivity for legal teams across all global offices. This leadership role involves optimizing help desk functions and hardware procurement to support daily business activities. By streamlining the deployment of new software tools, Gopi Suri directly impacts the productivity of the firm's attorneys and staff. Suri coordinates with the IT department to resolve technical bottlenecks and improve system reliability. Through the management of vendor relationships and service level agreements, the Interim Chief Information Officer maintains operational continuity. Suri provides the technical stability required for the firm to deliver consistent, high-quality legal advice to clients worldwide.