AI Can't Make Up a Number It Can't Look Up

Presented at AI Engineer. Wall Street still doesn’t trust AI, and for good reason. In finance, a hallucinated number is not a quirk. It’s a wrong answer that someone has to put their name behind. Trust there means having someone to blame, and nobody wants to sign off on a number a model made up. ...

November 7, 2026

Why AI Won't Replace Stock Pickers

A conversation with Jack Woodruff for AI Engineer. Jack Woodruff is the founder and former CIO of the long/short equity fund Candlestick Capital and a former portfolio manager at Citadel. We sat down to talk about what AI really changes in fundamental investing, and what it doesn’t. ...

October 30, 2026

How Kepler Built Verifiable AI for Financial Services

Presented at AI Engineer. Finance used to be bottlenecked on producing content. It is now bottlenecked on verifying it. An analyst who once spent the day building a model now spends it checking whether a machine’s output can be defended to a client, a committee, or a regulator. ...

July 29, 2026

How Forward Deployed Engineering is Done at Kepler

Presented at AI Engineer. Most companies hire forward deployed engineers as an extension of go-to-market: a technical body to keep a large account happy. That’s the wrong frame. FDE is a product strategy. The job is to find the real problem, ship the smallest thing that solves it, and turn what you learned into leverage for the product. ...

July 28, 2026

Build Products Like a Forward Deployed Engineer

Part of Lenny Rachitsky’s “The AI-Native Product Manager” free workshop series on Maven. Most products fail not because of bad engineering, but because teams build the wrong thing. They either overbuild features nobody asked for or underbuild solutions that miss the real problem. Forward Deployed Engineering (FDE) is the antidote. What is FDE? Forward Deployed Engineering is a methodology where technical teams embed directly with customers to witness how software meets reality. Instead of building from assumptions, FDEs develop customer instinct by being in the field — watching real users interact with real products under real conditions. ...

March 17, 2026