About Libby Leffler

Libby Leffler is the Founder and CEO of First®, the leading online platform for prenuptial agreements. Under her leadership, First® has helped couples protect more than $3 billion in assets. In September 2026, First® expanded beyond prenups with the launch of BabyNup™, its first product built for couples preparing to navigate starting a family.

Libby has more than 20 years of experience across technology, finance, and real estate. Before founding First®, she was president of Northern California at Compass, held leadership roles at SoFi, and was the first chief of staff to Chief Operating Officer, Sheryl Sandberg at Facebook. She began her career at Google.

She serves as an operating advisor at Bessemer Venture Partners and as a board director at Generations Home Loans. In 2025, she was named a finalist for the UBS Women Founders Award and named to the Inc. Female Founders 500 in 2026.

Libby earned an MBA with highest distinction from Harvard Business School, where she was a George F. Baker Scholar. She holds a BS from the University of California, Berkeley.

Recent Work

Libby’s work and commentary have appeared in Vogue, Bloomberg, The New Yorker, Fortune, Business Insider, and Inc Magazine. She authored the Fortune op-ed "The New Power Move: Why Smart Women Are Demanding Prenups." She appeared on Bloomberg's The Close with Romaine Bostick to discuss why more couples are turning to First® in the AI era, and on the Harvard Business School Skydeck podcast episode "Love, Money, and the Modern Prenup" with Jen McFarland Flint. Harvard Business School's alumni magazine profiled her in September 2026 in "First Comes Love, Then Comes the Prenup" by Janelle Nanos.