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George Tziralis Profile
George Tziralis

@gtzi

Followers
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Following
7K
Media
503
Statuses
13K

aligning interests at https://t.co/HswNKmKPLn

Athens, Greece
Joined May 2007
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@gtzi
George Tziralis
4 months
Announcing Marathon Venture Capital Fund III 💥. Since 2007, we have been on a mission – to bring our founder community together, and help build world-class technology companies. We founded some of the original startups, nurtured a community around them, raised the first
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@gtzi
George Tziralis
9 hours
Wen Athens?.
@business
Bloomberg
3 days
One of the world’s most iconic bridges will swap cars for tens of thousands of pounding feet on Sunday morning, as Sydney joins the elite ranks of the World Marathon Majors.
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@grok
Grok
3 days
Join millions who have switched to Grok.
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@gtzi
George Tziralis
20 hours
“Do you have to work 996?” “No,” he laughed. “It’s 007 now.” (Midnight to midnight, seven days a week.). A fascinating travelogue on the lifestyle of Chinese tech –
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jasmi.news
notes on shenzhen, shanghai, and more
@jasminewsun
jasmine sun
2 days
I just returned from China and wrote 7000 words about immigration, involution, and Chinese tech/AI. I also realized that I'm fascinated by China for the same reason I love SF, for all its thorns—it's a place where *things actually happen*. Link below:
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@gtzi
George Tziralis
2 days
📈
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@erenbali
Eren Bali
2 days
This startup must be killing it. 27K employees!
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@gtzi
George Tziralis
2 days
“I’m 23 and into my third startup” – so jealous of the next gen!.
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@gtzi
George Tziralis
2 days
Startup founders, don’t get too obsessed with revenue concentration, just grow the business ;).
@kakashiii111
Kakashii
3 days
Two direct customers of Nvidia were responsible for 44.4% of the total Q2's revenue of the Data Center. Read that again: . HALF of Nvidia's Data Center revenue in Q2 comes from just TWO customers.
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@gtzi
George Tziralis
4 days
Terumo to buy OrganOx for $1.5B to enter transplant field – congrats to the founder Prof Constantin Coussios!
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medtechdive.com
OrganOx has the potential to capture a greater share of the liver transplant market, where it competes with TransMedics Group, Needham analyst Mike Matson wrote.
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@gtzi
George Tziralis
4 days
Nice summary by @nickclegg
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@gtzi
George Tziralis
9 days
Δώστε το περιβραχιόνιο του αρχηγού στον Γιάννη. Μεγαλώστε κ άλλο το κίνητρό του για διάκριση. Το μπάσκετ του είναι από άλλον πλανήτη. Οι κανόνες υπάρχουν για να αλλάζουν. Γιγαντώστε τον μύθο της Εθνικής. @Giannis_An34 @HellenicBF #ethnikiomada
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@gtzi
George Tziralis
15 days
It’s not the algorithm per se – the challenges of social media with massive audiences are closer to their very nature, manifested even when you get AIs participating instead. A fascinating study and interview by @arstechnica:
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@gtzi
George Tziralis
19 days
Here’s the full video interview of @delian_ai’s @DimitriosKottas at CNBC earlier today!. Some quotes: . There is consensus that Europe needs to modernize its defense capabilities, and such efforts are going to last for at least a decade. Commercial.
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cnbc.com
Dimitrios Kottas, Delian CEO & Co-Founder, tells Worldwide Exchange European defense rearmament will last a decade, driven by rapid procurement, AI adoption, and new players bringing affordable tech.
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@gtzi
George Tziralis
19 days
Every ⁦@davidu⁩’s point is 10x more critical and urgent for Europe – it is not about supremacy anymore, but mere survival – while our leading institutions are still stuck with the old ESG doctrine… Founders and investors, it’s on us to lead the way!
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a16z.com
Large institutional investors can anchor a generational rearmament of the American industrial and innovation base.
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@gtzi
George Tziralis
19 days
RT @nathanbenaich: we are at a unique time in history when new defense primes are necessary to protect europe. @delian_ai is quietly delive….
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@gtzi
George Tziralis
21 days
RT @gtzi: “In H1 2025, only €100m of capital was raised [in Southern Europe] over four vehicles, with the majority from emerging firms. T….
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@gtzi
George Tziralis
22 days
“In H1 2025, only €100m of capital was raised [in Southern Europe] over four vehicles, with the majority from emerging firms. The largest close was Marathon Venture Capital III in Greece, which raised €75m to invest in early stage B2B startups.”. The latest @PitchBook report
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@gtzi
George Tziralis
22 days
Big part of the transition from engineer to entrepreneur is getting excited with customers rather than products.
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@gtzi
George Tziralis
23 days
Total funding YTD in Greek-founded, non GR-based startups is matching 2022 dollar figures and may be on track to surpass its 2021 peak, led by defense and AI companies such as Saronic, Runway, Teamworks, LMArena, Endor Labs and Reflection AI (while e.g. Runway may be raising
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@gtzi
George Tziralis
24 days
"Windsurf scaled revenue 10x while running global finance with just two people and Rillet." – Wow, congrats to Stelios Modes and the team!.
@nicckopp
Nicolas Kopp
24 days
I’m excited to share that we’ve raised a $70M Series B, led by @a16z and @ICONIQCapital - bringing our total funding to over $100M in under a year. Accounting is a $500B category, and yet most finance teams are still running on systems built in the 90s. @RilletHQ is rebuilding
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