André Ferretti
Bolt
September 2026–PresentI’m an Associate Product Manager at Bolt, completing its one-year graduate program in Tallinn.
Clearer Thinking
July 2022–March 2026Worked with Spencer Greenberg across ~20 projects — building decision-making tools and conducting research for Clearer Thinking's psychology newsletter with ~400,000 subscribers.
Ultimate Personality Test
Built a personality test completed by 300k+ users that combines the 3 most popular frameworks in 1: MBTI, Big Five, Enneagram, plus a new one we created. It also gives AI-powered life advice.
Unique Traits Test
Developed an assessment that measures 86 traits in a single test (like synesthesia, ADHD, autism and depression), using adaptive branching to ask only the most relevant questions for each person.
Does Astrology Work?
Ran a scientific study where 152 astrologers tried to match anonymous people to their natal charts. Results were indistinguishable from random guessing. Spencer's post on it got 6M views on X.
Personal Projects
Pact-Man
A negotiation game where a GPT-powered VC agent negotiates five deal terms against a human founder, with an AI judge scoring each round.
Semantic Stock Search
Finds large-cap stocks by semantic meaning rather than keywords (e.g., "parapapapaaa i'm lovin it" → McDonald's), using Gemini's Embedding API.
Hair Guard
Uses your camera to spot when your hand sneaks toward your hair — and nudges you to stop. Runs locally, nothing leaves your device.