Brian Murphy
About Brian Murphy
Public sources that I could confirm do not say which Brian Murphy this is. Searches returned several people with this name, including an Ohio specialty chemicals executive and a quantitative investment manager. I could not link either one to the Outerlimit round, so this page does not attribute their careers to the investor.
When Brian Murphy's employer, past companies or education are confirmed, we will add them.
The one verified angel investment is Outerlimit's pre-seed round, announced on September 22, 2026. Startuprise lists Brian Murphy among the strategic angel investors in the round. CB Insights also lists him as a co-investor in AlbionVC's Outerlimit deal. Earlier angel investments, exits and total deal count are not public in the sources found.
Outerlimit is the only AI round we can confirm. It raised $16M in pre-seed funding, led by AlbionVC, Evolution Equity Partners and Crane Venture Partners. The company says it is building a decentralized security and authorization layer for agentic AI. Its founders are Tony Pepper and Neil Larkins, who previously led Egress Software to an acquisition by KnowBe4 in 2024, and Dr Peter Vincent, a neuroscientist.
From the one confirmed deal, Brian Murphy has backed a pre-seed company in AI security, specifically securing AI agents. The round was done alongside institutional funds and other angels. His check size, preferred stages and geographies, and any public statements about what he looks for, are not published, so none are listed here.
- Outerlimit: security and authorization layer for agentic AI. Brian Murphy took part as an angel in its $16M pre-seed round, announced September 2026.
Investing activity
Brian Murphy appears in 1 AI deal tracked by the Lounge deals desk, rounds totalling $16M. The rounds are mostly Pre-seed, with a median round size of $16M. The most recent is Outerlimit (Pre-seed, $16M, Sep 2026).
Brian Murphy most often invests alongside AlbionVC, Crane Venture Partners, Evolution Equity Partners and David Garfield, and the companies they back on Lounge are mostly in AI.
Deals
Frequently asked questions about Brian Murphy
Has Brian Murphy invested in AI startups?
Yes. He is listed as an angel investor in Outerlimit's $16M pre-seed round for agentic AI security, announced in September 2026. We found no other confirmed AI deals.
What is Brian Murphy's angel check size?
It is not public. The Outerlimit announcement does not give individual investment amounts.
What stage does Brian Murphy invest in?
His only confirmed AI investment is a pre-seed round. We can't say whether he has a broader stage preference.
Who invested alongside Brian Murphy in Outerlimit?
The round was backed by AlbionVC, Evolution Equity Partners and Crane Venture Partners. Angels named in the round include Charles Gorintin, Scott Price, Sam Morgan, Kyle Griswold, Nicola Sinclair, David Garfield and Manish Madhvani.
How can founders contact Brian Murphy?
We could not verify an official LinkedIn, X or personal site for this investor, and the name is shared by several people. Founders should ask a mutual connection or the Outerlimit team for an introduction.
Is Brian Murphy an angel investor?
Yes. Brian Murphy invests personally as an angel.
What AI companies has Brian Murphy invested in?
Brian Murphy's AI investments include Outerlimit. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Brian Murphy invest at?
In the rounds tracked on Lounge, Brian Murphy has invested at Pre-seed, with a median round of $16M.
Who does Brian Murphy co-invest with?
Brian Murphy's most frequent co-investors on Lounge are AlbionVC (1 deal), Crane Venture Partners (1 deal), Evolution Equity Partners (1 deal), David Garfield (1 deal) and Manish Madhvani (1 deal).
How can founders reach Brian Murphy?
Founders on Lounge can see Brian Murphy'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 Brian Murphy to their Investor Pipeline to track the conversation.