Deb Liu
About Deb Liu
Deb Liu was President and CEO of Ancestry from 2021 to 2025. Before that she spent more than a decade at Facebook (now Meta), where she held senior product roles. She created and led Facebook Marketplace, led development of its first mobile ad product for apps and the Audience Network, and built its games business and payments platform, including Facebook Pay.
Earlier in her career she worked at PayPal and eBay. She led the eBay-PayPal product integration and PayPal's social commerce and charity verticals.
Liu has served on the board of Intuit since 2017. She founded Women in Product, a nonprofit for women in product management. She wrote the book Take Back Your Power: 10 New Rules for Women at Work (2022) and publishes a Substack newsletter called Perspectives. Wikipedia also lists her as founder of an AI startup, Ember AI.
Liu describes herself as a seed investor and advisor to several startups. In a post on her newsletter she says she has worked with many founders through angel investing, advising and mentoring as their companies scaled.
Crunchbase-style trackers list a small number of recorded deals. CB Insights shows 6 investments, the latest a May 2025 seed round in SweatPals. NFX Signal lists 16 investments on record, mostly seed, in areas such as social networks, education, consumer internet, fintech and marketplaces.
On the Lounge deals desk, Liu is recorded in the ArchAstro pre-seed round of $6.2M in June 2026. ArchAstro is a Seattle startup that builds AI agents meant to work across company boundaries on software integrations, migrations and bug fixes. GeekWire reports the round was led by 20VC and Kyber Knight, with angels including Stripe, Meta, GitHub and Character.ai executives.
No other AI investments by Liu are confirmed in the sources reviewed.
Her public record points to seed and pre-seed checks. Her own background is in consumer technology, marketplaces, commerce and payments, and third-party profiles list those areas along with AI. NFX Signal shows an investment range of $5K to $50K and a sweet spot of $25K. This is a third-party listing, not a statement from Liu, so confirm it with her directly. She is based in the San Francisco Bay Area.
- ArchAstro: Seattle startup building privacy-aware AI agents for cross-company software integrations; $6.2M pre-seed in June 2026.
- SweatPals: Seed round of about $12M recorded by CB Insights in May 2025.
Investing activity
Deb Liu appears in 1 AI deal tracked by the Lounge deals desk. The rounds are mostly Pre-seed, with a median round size of $6M. The most recent is ArchAstro (Pre-seed, $6.2M, Jun 2026).
Deb Liu most often invests alongside Karandeep Anand, Ash Jhaveri, Vlad Fedorov and Kyber Knight Capital, and the companies they back on Lounge are mostly in AI.
Deals
Frequently asked questions about Deb Liu
Has Deb Liu invested in AI startups?
Yes. She is listed as an angel in ArchAstro's $6.2M pre-seed round, announced in June 2026. ArchAstro builds AI agents for cross-company software integrations.
What check size does Deb Liu write as an angel?
She has not stated a check size publicly. NFX Signal lists a range of $5K to $50K with a $25K sweet spot, but that is a third-party estimate.
What stage does Deb Liu invest in?
Public sources describe her as a seed investor. Her recorded deals are seed and pre-seed rounds.
What is Deb Liu's background?
She was President and CEO of Ancestry from 2021 to 2025 and a senior executive at Facebook, where she created Marketplace. She also worked at PayPal and eBay, and she sits on Intuit's board.
How can founders contact Deb Liu?
Her personal site, debliu.com, points to LinkedIn as the main channel. She also posts on X as @debliu_ and writes a Substack newsletter.
Is Deb Liu an angel investor?
Yes. Deb Liu invests personally as an angel.
What AI companies has Deb Liu invested in?
Deb Liu's AI investments include ArchAstro. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Deb Liu invest at?
In the rounds tracked on Lounge, Deb Liu has invested at Pre-seed, with a median round of $6M.
Who does Deb Liu co-invest with?
Deb Liu's most frequent co-investors on Lounge are Karandeep Anand (1 deal), Ash Jhaveri (1 deal), Vlad Fedorov (1 deal), Kyber Knight Capital (1 deal) and Vijaye Raji (1 deal).
How can founders reach Deb Liu?
Founders on Lounge can see Deb Liu's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with them under Warm Paths, and add Deb Liu to their Investor Pipeline to track the conversation.