Fundraising Fox

Jim O'Brien

Investor

Founder / Managing Partner at Actuate Ventures · Managing Director at Altaris Capital Partners

New York, New York, United States

Writes $100K – $5M checks · typically $1.5M

Find your path to Jim

304 people in our graph share verified history with Jim — schools, employers, funds. One of them is your warm intro.

Andrew WallaceunlockedJim: together at Bank of America Merrill Lynch (2009–2010)
×8Jim: together at Princeton University
×3Jim: together at Bank of America Merrill Lynch

About

Jim O'Brien is the Founder and Managing Partner of Actuate Ventures, focused on deep tech investing. He previously worked at Blue Origin and has experience across product, strategy, innovation, and venture building with both large enterprises and startups. O'Brien also hosts the podcast Let's Actuate and writes a newsletter, Insights from the Cutting Edge.

Experience

  1. Altaris, LLCManaging Director2010 — 2026
  2. Bank of America Merrill LynchInvesment Banking2008 — 2010
  3. Bank of America Merrill LynchEquity Capital Markets2006 — 2008

Colleagues at Actuate Ventures

Andrew Woodfield
Managing Partner at Actuate Ventures
Christopher Le
Managing Partner at Actuate Ventures
Zee Schwab
Investor at Actuate Ventures

Network4

Ailyn Fun
Managing Director at Altaris Capital Partners
Daniel Tully
Managing Director at Altaris Capital Partners
Garikai Nyaruwata
Managing Director at Altaris Capital Partners
George Aitken-Davies
Managing Director at Altaris Capital Partners

Investors connected to Jim in public investor directories — a warm-intro map.

Frequently asked questions

Who is Jim O'Brien?
Jim O'Brien is the Founder and Managing Partner of Actuate Ventures, focused on deep tech investing. He previously worked at Blue Origin and has experience across product, strategy, innovation, and venture building with both large enterprises and startups. O'Brien also hosts the podcast Let's Actuate and writes a newsletter, Insights from the Cutting Edge.
Where does Jim O'Brien work?
Jim O'Brien is Founder / Managing Partner at Actuate Ventures.
What check size does Jim O'Brien write?
Jim O'Brien typically writes checks of $100K – $5M.
Where did Jim O'Brien go to school?
Jim O'Brien studied at Princeton University (B. A., History); Chaminade High School.

Same school

Also attended Princeton University879

Fabrice GrindaCo-founder & Managing Partner at FJ LabsRyan SheaCo-founder of Blockstack (Stacks)Dario AmodeiCo-founder & CEO of AnthropicFei-Fei LiCo-founder & CEO of World Labs; Sequoia Professor of Computer Science at StanfordCat WuInvestor at Index VenturesAndrewAdvisor at Clear Ventures

+ 873 more

Also attended Chaminade High School26

Matthew SaittaPrincipal at Silverton PartnersRich SgalardiGeneral Partner at Castle Island VenturesMarc MunfaInvestor at Silversmith Capital PartnersRyan LeePrincipal at Comcast VenturesColin FraserPrincipal of Concept Development at JUXTAPOSE VENTURESKyle SquillarioInvestor at Susquehanna Growth Equity

+ 20 more

Shared employers

Also worked at Altaris, LLC8

Anson MacKinneySenior Associate — Ventures at Energize VenturesGeorge Aitken-DaviesManaging Director at Altaris Capital PartnersLana DweikInvestor at Altaris Capital PartnersNicholas FulcoManaging Director at Altaris Capital PartnersGarikai NyaruwataManaging Director at Altaris Capital PartnersMyles TangSenior Associate at Altaris Capital Partners

+ 2 more

Also worked at Bank of America Merrill Lynch753

Hans TungManaging Partner at Notable CapitalAnthony LinHead of Intel Capital, Corporate Vice President at Intel CapitalNoorPartner at Clear VenturesKesha CashFounder & General Partner at Impact America FundAftab MathurManaging Director at Temasek at Golden Gate VenturesAndrew WallaceVice President, Revolution Growth at Revolution

+ 747 more