Simpson Thacher Executive and Leadership Team

Adrienne Boan, the Chief Financial Officer at Simpson Thacher, manages the firm's comprehensive financial operations and strategic fiscal planning. Boan oversees all accounting, budgeting, and financial reporting functions, ensuring robust financial health and compliance with international regulations. This critical role involves developing and executing financial strategies that support the firm's growth objectives and operational efficiency. By analyzing market trends and financial performance, Adrienne Boan provides key insights to leadership, guiding investment decisions and resource allocation. The Chief Financial Officer's purview includes managing client billing, treasury functions, and risk management, all vital to maintaining the firm's stability and profitability. Boan's leadership ensures that Simpson Thacher's financial infrastructure is optimized to support its global transactional capabilities and its commitment to delivering exceptional legal services. This executive drives financial discipline, fostering an environment of fiscal responsibility across the organization.

Kelly Stevens, the Chief Operating Officer at Simpson Thacher, directs the firm's extensive operational infrastructure and administrative functions. Stevens oversees the day-to-day management of business operations, ensuring seamless execution of services across all departments and global offices. This leadership position involves optimizing resource allocation, enhancing operational efficiency, and implementing best practices to support the firm's strategic goals. By managing professional staff and support services, Kelly Stevens ensures that lawyers can focus on client matters without interruption. The Chief Operating Officer's responsibilities encompass facilities management, vendor relations, and the continuous improvement of internal processes that underpin the firm's transactional and advisory capabilities. Stevens's strategic oversight drives operational excellence, directly contributing to Simpson Thacher's ability to provide coordinated legal advice and transactional support on an international scale. This executive ensures the firm operates with maximum effectiveness and agility.

Willis Gee, the Chief Information Officer at Simpson Thacher, directs the firm's global technology strategy and infrastructure. Overseeing all aspects of information systems, Gee ensures the secure and efficient operation of the firm's digital environment, supporting complex legal transactions and client services. This leadership role involves architecting scalable technology solutions that enhance productivity and data integrity across all practice areas. By implementing cutting-edge cybersecurity measures, Willis Gee safeguards sensitive client information and proprietary firm data, maintaining the highest standards of confidentiality. The Chief Information Officer's responsibilities extend to evaluating and integrating new technologies that streamline workflows and improve communication channels, directly impacting the firm's operational agility and competitive edge in the international legal market. Gee's strategic vision drives technological innovation, ensuring Simpson Thacher remains at the forefront of digital capabilities within the legal industry.

Edina Jung, the Chief Human Resources Officer at Simpson Thacher, leads the firm's comprehensive human capital strategy and management. Jung oversees all aspects of talent acquisition, development, compensation, and employee relations, ensuring a high-performing and engaged workforce. This pivotal role involves cultivating a supportive and inclusive culture that attracts and retains top legal and professional talent. By developing and implementing HR policies, Edina Jung aligns human resources initiatives with the firm's overarching business objectives and its commitment to client service excellence. The Chief Human Resources Officer's scope includes managing benefits programs, performance management systems, and professional development pathways, all critical for supporting the firm's international operations. Jung's strategic direction ensures that Simpson Thacher's most valuable asset – its people – are empowered to deliver exceptional legal advice and transactional capabilities. This executive drives initiatives that foster professional growth and organizational well-being.

Eric Edelson, the Chief Human Resources Officer at Simpson Thacher, spearheads critical initiatives within the firm's human capital management framework. Edelson focuses on enhancing employee engagement and optimizing talent development programs to support the firm's strategic growth and operational demands. This leadership role involves collaborating with other executives to ensure HR strategies directly support the firm's mission of providing coordinated legal advice and transactional capability. By driving innovation in HR practices, Eric Edelson contributes to building a robust talent pipeline and fostering a culture of continuous learning and professional advancement. The Chief Human Resources Officer's responsibilities include overseeing employee relations, diversity and inclusion efforts, and the implementation of HR technologies that streamline processes and improve the employee experience. Edelson's expertise ensures that Simpson Thacher maintains a competitive advantage in attracting and retaining skilled professionals globally. This executive's work is integral to the firm's sustained success and its ability to navigate complex legal landscapes.