About
Joon Won Song worked as a quantitative developer at Squarepoint Capital and studied electrical engineering and computer science at Imperial College London.
Meric Song @mericsong
understanding and maintaining AI generated codebase is the most important challenge for the next 3 years of SWE tooling. reading the code generated by AI defeats its purpose and kills the productivity gain. "AI PR review tools" are useless. ignoring this problem by just
Jul 27, 2026 Β· β₯ 2
Meric Song @mericsong
Finally, I've landed on a product idea that, as a founder, I simply wouldn't be able to live with myself if I didn't launch it to the public. Three weeks from today, I will change how people trade.
Jul 22, 2026 Β· β₯ 1 Β· β 1
Meric Song @mericsong
In the next five years, everyone will become portfolio manager of their own little hedge fund. AI will enable this, and @instinct_xyz is building the correct product that will bring this vision to life.
Jul 13, 2026 Β· β₯ 15 Β· β 4
Co-Founder, CEO at InstinctYC W26
Intro paths
Joon went through Y Combinator (Winter 2026) β any YC alum in your network can reach them through the YC community.
Their group partner at YC was Diana Hu, General Partner at Y Combinator β the partner who ran Instinct's batch and knows the company first-hand. YC profile β
In turn, Joon can intro founders to Instinct's investors below.
Instinct's investors Β· 2
Co-founders at Instinct
