Speaker Name: Ohad Kotler

In one sentence, what do you do and what is your role?

I'm the co-founder and CEO of Tweezr, and I lead the company that turns 40-year-old core systems from a black box into a blueprint teams can actually trust.

What topic will you be speaking about at FinTech Connect 2026?

Why ungrounded AI breaks legacy, and how deterministic system intelligence becomes the ground truth your coding agents stand on.

What's one thing you hope attendees take away from your session?

Legacy isn't a lost cause you eventually rip out; once you can see what your core actually does, modernization, AI adoption, and DORA compliance stop being terrifying and become predictable.

What's the biggest challenge facing the industry in this area?

Everyone can produce a plausible answer about legacy code; almost nobody can produce a verifiable one an auditor can re-run. That's the whole difference between "probabilistic and unanchored" and "the same agents, on solid ground."

What's one prediction you have for the next 3-5 years?

"Show me the evidence" becomes a hard gate on every core-system change in a regulated bank — reproducible, deterministic understanding turns from a nice-to-have into a compliance requirement. The banks that build that ground truth early will evolve their core in weeks, not months; the rest will still be arguing about what their systems do.

What's one piece of advice you'd give to someone working in fintech today?

Fall in love with the boring, unglamorous problem. The legacy core isn't the part anyone wants to work on, but it's the part everything else depends on.