Age: 64 Director Since: 2001 Unique and unparalleled vision, expertise, and perspective as BlackLine s founder. Deeply involved in shaping the Company s long-term strategic direction and technology. Extensive leadership experience in the finance and technology industry. Operational insight and expertise gained as BlackLine s Chief Executive Officer. Broad experience in sales, marketing, and product development, overseeing innovation across the product portfolio, including the launch of BlackLine s Studio360 platform and advancement of industry-leading AI capabilities. Unmatched knowledge of the Company s customer base and product line, enabling targeted product innovation and effective market engagement. A significant stockholder of BlackLine, owning approximately eight percent of outstanding shares, with interests tightly aligned with those of long-term stockholders. Committees: Professional Experience Highlights None BlackLine, Inc.: Founder (2001-present), Co-Chief Executive Officer (2023-2025), Executive Chair of the Board (2021-2023), and Chief Executive Officer (2001-2021) SunGard Treasury Systems, Inc. and SunGard Trading Systems, Inc., providers of software solutions and information technology services: Chief Technology Officer (1997-2001) Other Relevant Boards California Community Foundation (2014-2024) Education B.S. in Computer Science and Mathematics from University of Illinois at Urbana-Champaign