Founder Directory
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Founders2
Known for these resultsRole0%Role is parsed from founder titles in yc.db. Known for 0% 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.Bio100%Bio coverage: 100% 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.School0%School is matched from bios, case-sensitive for acronyms. 0% of these rows have at least one match.
- Raymond (George) Kennedy@franzwarningFounder · RhythmmW18Consumer · San Francisco
- Zachary Waleed SarafFounder · RhythmmW18Consumer · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Raymond (George) KennedyRhythmm2× YCFounderWinter 2018ConsumerSan Francisco, United States2https://x.com/franzwarningZachary Waleed SarafRhythmmFounderWinter 2018ConsumerSan Francisco, United States2—
Showing 1–2 of 2 founders
Zachary Waleed Saraf
Founder·Rhythmm
PRIMARY INFO
RoleFounder· not in title
Team size2
BatchWinter 2018
LocationSan Francisco, United States
Company statusInactive
StageEarly
BIO
Founder + engineer. Building Lucius Space (AI + satellite imagery). Previously shipped a mix of scrappy startups, weird side projects, and real revenue. I like hard problems and simple systems.
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
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
RhythmmRead interesting conversations
IndustryConsumer
Websitegetrhythmm.com
Team size2
X—
LocationSan Francisco, United States
BatchWinter 2018
Co-foundersRaymond (George) Kennedy@franzwarning
