Venture Partner, Cyber Seed Fund Investment Committee at Blu Venture Investors
View Live Interactive Profile →Katharine Weymouth is a Venture Partner at Blu Venture Investors and sits on the Cyber Seed Fund Investment Committee. Her firm profile states she spent four years as an in-house attorney at The Washington Post, four years as VP for Sales and seven years as Publisher and CEO. She holds a BA from Harvard and a JD from Stanford Law School. Her firm profile lists board seats at Republic Services, Cable One, Graham Holdings, Xometry, Sequoia Mutual Fund, Meadow Reproductive Health, the DC Volunteer Lawyer Project and the Philip Graham Fund, and advisory board roles at The Cipher Brief and Shine. An SEC full-text search of DEF 14A proxy statements filed between January 2025 and September 2026 returns her name only at Graham Holdings, Cable One and Xometry; those three are recorded as board seats and the Republic Services claim is not supported by any proxy in that window.