Kristen Sullivan

Kristen B. Sullivan is an Audit & Assurance partner with Deloitte & Touche LLP and serves as the Sustainability Services Marketplace leader. She also serves as the Deloitte Touche Tohmatsu Limited’s Global A&A Sustainability Clients & Markets Leader and the Integrated Reporting Community of Practice Leader. Kristen brings extensive experience in delivering sustainability risk assessment, governance, strategy alignment, measurement, reporting, and assurance services.

Given the growing market emphasis on the importance of ESG standards and frameworks, Kristen serves as a member of the Global Reporting Initiative (GRI) Community, she chairs the AICPA Sustainability Advisory and Assurance Task Force and the International Sustainability Standards Board (ISSB)/AICPA Task Force. In regards to the state of California’s climate legislation, she serves on the CalCPA Environmental Reporting and Assurance Implementation Working Group. And she previously served on the International Integrated Reporting Council (IIRC) Working Group.

Kristen has authored a number of publications around the importance of sustainability and ESG disclosure and assurance. She was named a 2024 Women in Sustainability Leadership Award winner, #23 on the 2023 Onalytica top 50 ESG influencers list, recognized as an ESG, Diversity, and Climate Trailblazer as part of Diligent’s 2023 Modern Governance 100 nominees, and #10 on the 2020 Top 100 Corporate Social Responsibility Influence Leaders list.

Kristen has more than 28 years of experience with Deloitte, beginning her career in Deloitte’s Audit and Advisory Services, working in Deloitte’s National Office in several capacities, and working with the deputy CEO of Deloitte LLP focused on regulatory and public policy matters. Kristen is a CPA (CT, MO) and CGMA and earned SASB’s Fundamentals of Sustainability Accounting (FSA) Credential. Kristen completed the Berkeley Law Executive Education Certification: ESG: Navigating the Board’s Role and the Diligent Institute Climate Leadership Certification.

Kristen is a member of the Financial Women’s Association and lives in Greenwich, CT, with her six-year-old daughter.