SG Talks – Angel Investors: EP#01: Jon Vlachogiannis, Super Angel Investor
Published on February 12, 2026
In this first episode of the SG Talks angel investors, we welcome Jon Vlachogiannis, an early-stage investor and entrepreneur. He shares his journey from arriving in the United States with just $300 and why stepping beyond Greece was pivotal for his growth. Jon explains his philosophy of backing bold ideas before perfect data exists and why calculated risk is part of the game.
ℹ️ Jon Vlachogiannis is an early-stage investor who supports founders at the pre-seed and seed stages, focusing on disciplined risk-taking when outcomes are still uncertain. He works closely with teams on strategy, fundraising, and go-to-market to help convert potential into traction. A former Director of Engineering at Splunk, he’s a sought-after speaker and holds 20+ patents in distributed, real-time systems.
Our amazing host: Marco Siciliano
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Timestamps
Timestamps
00:00- Teaser
00:25 – Introduction
00:47 – Highest vs. lowest entry ticket he’s given
02:49 – Most vs. least profitable industries
04:12 – Best vs. worst investment
06:12 – Background: What comes first for Jon, personality or profession?
09:00 – How he assesses startups before funding
11:22 – Investing style: gut feeling or rational?
13:13 – Storytime: Ready to be amazed?
16:26 – Favourite industries and personal investing preferences
18:41 – What differentiates a good startup from one that’s doomed to fail
20:58 – Advice for tech startup founders
22:58 – How to build a network
26:30 – Is investing in military companies worth it?
31:00 – Closing remarks
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