James Hawkins
About James Hawkins
James Hawkins is co-founder and CEO of PostHog, an open-source product analytics platform. PostHog was founded in 2020 with Tim Glaser and went through Y Combinator. Tracxn reports that PostHog has raised $194M, including a $75M Series E in September 2025 at a $1.4B valuation. Peak XV Partners led that round.
Before PostHog, Heavybit lists him as a marketing consultant at Arachnys and the founder of c2o Media. Crunchbase also lists him as VP Sales & Channels at Arachnys and as CEO and co-founder of Hiberly. Crunchbase places him in London. His X profile says San Francisco and describes him as PostHog co-CEO.
Tracxn lists four dated investments: QuestDB (Series A, November 2021), Infisical (Seed, July 2023), Fondo (Seed, October 2024) and Zero (December 2024). Its profile of him counts 5 portfolio companies. Crunchbase counts 6 personal investments and lists Mem0's Series A as the latest. Tracxn's PostHog page says he is an angel in 7 startups. These counts come from third-party databases and may be incomplete. We found no public statement from him about total deals.
Zero is a Helsinki startup building AI agents for sales and customer success. Press coverage names Hawkins as an earlier backer of Zero. He was listed among the angels in its $2.7M pre-seed, which 20VC led in December 2024.
Zero announced a $10.3M (EUR 8.9M) seed on September 15, 2026, led by Primary Venture Partners. Coverage of that round lists Hawkins among the earlier backers. It does not list him among the new participants.
Crunchbase lists Mem0 (Series A) among his investments. We could not confirm the year or his role in that round.
Tracxn says his investments are mainly in enterprise applications and enterprise infrastructure. It lists the United States, the United Kingdom and one other location as his main geographies. His dated deals are pre-seed, seed and Series A. Check size is not public, and we found no statement from him on what he looks for in a pitch.
- Zero: Helsinki AI go-to-market platform; angel in the December 2024 pre-seed led by 20VC, and named as an earlier backer in the September 2026 seed.
- Infisical: open-source secrets management; Seed round in July 2023 per Tracxn.
- QuestDB: time-series database; Series A in November 2021 per Tracxn.
- Fondo: Seed round in October 2024 per Tracxn.
- Mem0: listed by Crunchbase as a Series A investment; year not confirmed.
- tracxn.com/d/people/james-hawkins/__kTD6tkbtGHrcZNoL6puC_mOjOjbXAYDKbe
- crunchbase.com/person/james-hawkins-52f0
- heavybit.com/community/james-hawkins
- arcticstartup.com/zero-raises-2-7m-pre-seed
- bebeez.eu/2026/09/15/finnish-startup-raises-10-3-million-seed-to-repla
- seedtable.com/companies/zero-5/funding-rounds/seed-2026-09
- tracxn.com/d/companies/posthog/__tWY33MozggoGzQ9VYs8-O9tG9o6ZXDONwy37R
- x.com/james406?lang=en
Investing activity
James Hawkins appears in 1 AI deal tracked by the Lounge deals desk, rounds totalling $10M. The rounds are mostly Seed, with a median round size of $10M. The most recent is Zero (Seed, $10.3M (EUR 8.9M), Sep 2026).
James Hawkins most often invests alongside Primary Venture Partners, Illusian Founder Office, Greens Ventures and Peter Sarlin, and the companies they back on Lounge are mostly in AI.
Deals
Frequently asked questions about James Hawkins
Who is James Hawkins the angel investor?
He is the co-founder and CEO of PostHog, an open-source product analytics company founded in 2020. He has also made angel investments in startups such as Zero, Infisical and QuestDB.
Does James Hawkins invest in AI startups?
Yes. He backed Zero, an AI sales and customer success startup, at pre-seed in December 2024. Crunchbase also lists Mem0, an AI company, among his investments.
What check size does James Hawkins write?
His check size is not public. We found no source that states it.
What stage does James Hawkins invest in?
His dated deals are pre-seed, seed and Series A. Tracxn lists QuestDB at Series A, Infisical and Fondo at seed, and Zero at pre-seed.
How can founders contact James Hawkins?
He is active on X as @james406. We could not confirm a LinkedIn URL or a personal site.
Is James Hawkins an angel investor?
Yes. James Hawkins invests personally as an angel.
What AI companies has James Hawkins invested in?
James Hawkins's AI investments include Zero. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does James Hawkins invest at?
In the rounds tracked on Lounge, James Hawkins has invested at Seed, with a median round of $10M.
Who does James Hawkins co-invest with?
James Hawkins's most frequent co-investors on Lounge are Primary Venture Partners (1 deal), Illusian Founder Office (1 deal), Greens Ventures (1 deal), Peter Sarlin (1 deal) and The Twenty Minute VC (1 deal).
How can founders reach James Hawkins?
Founders on Lounge can see James Hawkins'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 James Hawkins to their Investor Pipeline to track the conversation.