Eric Slesinger
@ericsles
general partner @201vc_, founder of the european defense investor network
Today I’m proud to introduce 201 Ventures (@201vc_) — a new firm advancing freedom and autonomy in Europe. We back PhDs who can win a bar fight.

“The sea is a desert of waves, A wilderness of water.” -Langston Huges @mateocernosek and @alex__chu__ are going to listen to all of it. go into the deep at @_Andrenam_
I'm excited to announce our $10M fundraise! Currently in D.C. meeting with some awesome folks on the Hill and reflecting on how far we've come. Just a year ago, @alex__chu__ and I were bootstrapping our first prototype in a garage. Now, we're announcing our $10M fundraise led…
Please help me understand why a CEO wants an employee, who has already given their voluntary resignation/notice to leave, to stick around to fulfill a 3 month notice period? I can’t see the benefits outweigh the drag on company culture with all the lame ducks pattering around.
quite a rapid unscheduled disassembly
"A Spanish Eurofighter was performing at the #Aire25 airshow when it suffered a bird strike to the front of the canopy. The aircraft ended it's display and then landed at San Javier airport." But noone is talking about the bird suffering a plane strike. Typical...!
If you want to build a proliferated sensor network, a problem arises: where do you put them? You want to minimize the number used to cover a certain area. On first thought, you'd imagine that some kind of hexagonal mesh would be a good approach.
Low-footprint passive sensors, even if just for cueing, could make a difference for a lot of missile defense engagement scenarios.
Germany (2020): ok ok maybe it’s not a great idea to have Huawei build our 5G networks Spain: cool got it pero how about our most sensitive internal intel collection tools?

get your walks routed for maximum shade sosm.ch/the-coolest-wa…

“Maritime conflict is heating up globally, from undersea cable sabotage in the Taiwan Strait, Baltic and Black Sea, to contested waters in the South China Sea, Persian Gulf and Eastern Mediterranean,” Nathan Benaich, founder and general partner of AI-focused VC @airstreet, tells…
VCs doing CIA larp is one of my favorite phenotypes on x dot com. GPs googling supply chain ops tradecraft from a WeWork in Santa Monica. It’s never not funny.
"still very unusual" founders: if this is you too, come join us @201vc_
This American VC is betting on European defense tech; that's still very unusual | TechCrunch techcrunch.com/2025/05/12/thi…
.@seikatsu in the @FT today on why we need bolder private capital investing in European defence: “to create companies, to take the risk, to innovate and invest in research and development ahead of production.” ft.com/content/a41448…
Isembard announces a $9M Seed round led by @NotionCapital, which is backed by the UK & German governments. We're on a mission to forge industrial acceleration with software-first manufacturing. 1/9
eric's singlehandly gunna save western civilization
Today I’m proud to introduce 201 Ventures (@201vc_) — a new firm advancing freedom and autonomy in Europe. We back PhDs who can win a bar fight.
Huge congrats on the @201vc_ fund launch; as a Greek American, proud of @ericsles' work and watching his impact ripple across Europe. 🇪🇺🚀 Need more patriots like Eric & if you are European thinking about anything in the defense space you have to talk to Eric.
Today I’m proud to introduce 201 Ventures (@201vc_) — a new firm advancing freedom and autonomy in Europe. We back PhDs who can win a bar fight.
Go @ericsles! Congrats on the launch for @201vc_ and excited to see the companies you back. nytimes.com/2025/04/14/tec…
Oh HEY @ericsles is in the NYT! And he's announcing his new fund @201vc_ today! Eric is one of the best in the business. And all round. Founders- send him your best decks. Proud to call him a friend and defense tech co-conspirateur. Ad astra! 🚀 nytimes.com/2025/04/14/tec…
Eric is doing fantastic work already, finding top European defense talent in the earliest stages of company formation:
Today I’m proud to introduce 201 Ventures (@201vc_) — a new firm advancing freedom and autonomy in Europe. We back PhDs who can win a bar fight.
Congratulations to my friend and Stanford engineering classmate @ericsles! Intrepid NYT profile with lessons learned from the CIA to help build the future of European defense. nytimes.com/2025/04/14/tec…
Good piece about how venture capital may help rebuild Europe’s defenses. My friend Eric Slesinger is the real deal. What he is building now in Europe echoes the Valley of the early period. nytimes.com/2025/04/14/tec… via @NYTimes
Stoked to see this article on the work @ericsles is doing with @201vc_ "The Former C.I.A. Officer Capitalizing on Europe’s Military Spending Boom" nytimes.com/2025/04/14/tec…
Proud to back soloGP @ericsles @201vc_ on his mission (and excited for the first co-investment w @adjacent )!