Founder Directory
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Founders3
Known for these resultsRole67%Role is parsed from founder titles in yc.db. Known for 67% of these rows — the rest have no title at all, mostly 2019–2023. Those rows stay in the result and are counted as Unknown, never as No.Bio67%Bio coverage: 67% of these founders have a bio on their YC profile. Every bio-derived facet (ex-company, school, credentials, discipline) is Unknown for the rest.Ex-company0%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 0% of these rows have at least one match.School33%School is matched from bios, case-sensitive for acronyms. 33% of these rows have at least one match.
- Jonas GruetterFounder/CEO · GripS26Industrials · Zürich
- Stanislaw PiaseckiFounder/CTO · GripS26Industrials · Zürich
- Jared GrippeFounder · ThreadableW14B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Jonas GruetterGripFounder/CEOSummer 2026IndustrialsZürich, Switzerland4—Stanislaw PiaseckiGripFounder/CTOSummer 2026IndustrialsZürich, Switzerland4—Jared GrippeThreadableFounderWinter 2014B2BSan Francisco, United States2—
Showing 1–3 of 3 founders
Aaron Muszalski
Founder/Growth Marketing·Threadable
PRIMARY INFO
RoleFounder/Growth Marketing
Team size2
BatchWinter 2014
LocationSan Francisco, United States
Company statusInactive
StageEarly
BIO
Executive Director, Burning Wish. Founder, Threadable (acquired). Black Rock City DPW. Not surviving cancer—surpassing it.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
No notable employer or school mentioned in the bio.
Credentialsnone mentioned
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
TThreadable
InactiveMailing lists 2.0. Threadable makes group email less noisy and more…
