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HOME/PEOPLE/STEIJN PELLE
// PERSON

Steijn Pelle

ROLE CO-FOUNDER AND CEOMENTIONS 2LAST SEEN JULY 30, 2026
// BIO

Steijn Pelle is the co-founder and CEO of Lassie, a San Francisco-based AI company that automates back-office and financial administration for small businesses, starting with dental and medical practices. Before founding Lassie, he held early growth and product roles at Robinhood, Coinbase, and HealthTap. He is best known for embedding inside a dental practice to manually perform administrative work before writing any software, an approach that shaped Lassie's product development and led to the platform now serving over 700 practices across 49 states.

// RECENT MENTIONS
// SIGNALS
2 SIGNALS
01
mention·The a16z Show·JULY 30, 2026

"A big part of it was us actually spending the time in offices doing the work ourselves. I don't think we could have built a product that works as well as it does if we didn't know how to do the job."

Source
02
hire·The a16z Show·JULY 30, 2026

Co-founder and CEO of Lassie. Former Robinhood growth/referral program. Originally from Amsterdam. Track and field athlete (near-professional level). Identified the dental administration problem by personally doing the work in Dr. Kwon's office.

Source

AI-extracted from podcast / newsletter / paper summaries. May contain errors.

Steijn Pelle · Co-founder and CEO — 2 mentions on Teahose