Paige Bailey
About Paige Bailey
Paige Bailey is the AI Developer Relations Engineering Lead at Google DeepMind. She contributed to the research and model programs behind PaLM 2, Gemini and Gemma, and now leads developer experience for DeepMind's developer platform.
She started in geophysics and applied mathematics. At Chevron she worked on subsurface geoscience, drilling optimization and GPU-based workloads. She has also worked on NASA projects and in Azure Research. She began working with machine learning around 2009 and contributed to open-source Python projects including NumPy, SciPy, Matplotlib and scikit-learn.
She worked on TensorFlow and on ML developer experience at Google and Microsoft. She then spent just over a year at Microsoft as a director of machine learning and MLOps at GitHub, working on Codespaces, VS Code and Copilot, before returning to Google DeepMind.
Her public investing record is small. Crunchbase lists three personal investments for her. The most recent is a seed round in White Circle, and Crunchbase does not show the date or amount. Crunchbase also lists Marimo under her exits. It describes Marimo as an open-source reactive platform for developers working in Python.
She has not published a fund, a check size or an investment thesis that we could find.
Command Code raised a $5M seed round in February 2026, per the Lounge deals desk. Crunchbase records the round on Feb 25, 2026, with the a16z Scout Fund and 20 other investors. Command Code's YouTube channel lists Bailey among its backers, alongside other developer-tools founders and operators. Command Code describes itself as a coding agent that learns a developer's coding preferences over time.
Bailey was also named as an angel in a May 2026 Angel Registry update covering a $10M seed round for Synthetic, an AI bookkeeping startup. That source is a newsletter roundup, not a company announcement, so treat it as unconfirmed.
The public record points to early-stage AI and developer tools. Her listed investments are seed rounds, and the companies are Command Code (AI coding agent), Marimo (Python notebooks) and White Circle. Her day job centers on helping developers build with frontier models. She has publicly stressed making advanced AI usable for working developers. Her stated check size and geographic preferences are not public.
- Command Code: AI coding agent that adapts to a developer's style. Seed round of $5M, February 2026.
- White Circle: Crunchbase lists a seed round as her latest personal investment. Date and amount are not public.
- Marimo: open-source reactive Python platform for developers. Crunchbase lists it under her exits.
- crunchbase.com/person/paige-bailey
- ai.engineer/speakers/paige-bailey
- press.airstreet.com/p/raais-2025-paige-bailey-google-deepmind-
- share.transistor.fm/s/9751537d
- youtube.com/@CommandCodeAI
- buttondown.com/AngelRegistry/archive/angel-registry-update-may-14-2026
- linkedin.com/in/dynamicwebpaige
- x.com/dynamicwebpaige?lang=en
Investing activity
Paige Bailey appears in 1 AI deal tracked by the Lounge deals desk. The rounds are mostly Seed, with a median round size of $5M. The most recent is Command Code (Seed, $5M, Feb 2026).
Paige Bailey most often invests alongside Preston-Werner Ventures, Dane Knecht, Enea and Luca Maestri, and the companies they back on Lounge are mostly in AI.
Deals
Frequently asked questions about Paige Bailey
Does Paige Bailey invest in AI startups?
Yes. She was an investor in the Command Code $5M seed round in February 2026. Crunchbase lists three personal investments for her.
What does Paige Bailey do outside of angel investing?
She is the AI Developer Relations Engineering Lead at Google DeepMind. She previously worked at GitHub and Microsoft on Copilot, VS Code and Codespaces, and earlier at Chevron.
What stage does Paige Bailey invest in?
Her listed investments are seed rounds. She has not published a formal stage focus.
What is Paige Bailey's check size?
Her check size is not public, and we found no statement from her on it.
What kind of founders should pitch Paige Bailey?
Her investments and her work point to developer tools and AI products for builders. She has also said she cares about making advanced AI capabilities accessible to developers. She has not published a pitch guide, so a founder should show developer-facing traction.
Where can I find Paige Bailey online?
She is on LinkedIn as dynamicwebpaige and on X as @DynamicWebPaige. Her personal site is webpaige.dev.
Is Paige Bailey an angel investor?
Yes. Paige Bailey invests personally as an angel.
What AI companies has Paige Bailey invested in?
Paige Bailey's AI investments include Command Code. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Paige Bailey invest at?
In the rounds tracked on Lounge, Paige Bailey has invested at Seed, with a median round of $5M.
Who does Paige Bailey co-invest with?
Paige Bailey's most frequent co-investors on Lounge are Preston-Werner Ventures (1 deal), Dane Knecht (1 deal), Enea (1 deal), Luca Maestri (1 deal) and Paul Copplestone (1 deal).