Founder Directory
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Founders10
Known for these resultsRole70%Role is parsed from founder titles in yc.db. Known for 70% 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-company100%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 100% of these rows have at least one match.School60%School is matched from bios, case-sensitive for acronyms. 60% of these rows have at least one match.
- Ahmed Aly@zachdotaiFounder/CEO · FabraixS26B2B · San Francisco
- ibrahim abduFounder/CTO · FabraixS26B2B · San Francisco
- Merlin Kafka@merlinkafkaFounder/CEO · RexS26B2B · San Francisco
- Saksham Aggarwal@sxmawlFounder/CEO · CardboardW26B2B · San Francisco
- Kiran Mohan@bmnarikFounder/CTO · LexiF25B2B · San Francisco
- Linus BoehmFounder/CTO · FintoS25B2B · Munich
- Khalid AshmawyFounder/CEO · MunifyS25Fintech · Orlando
- Naimisha RaoFounder · Gullak MoneyS22Fintech · Bengaluru
- Hansel HanselFounder · MatereeS22B2B · Jakarta
- Steven WalentinoFounder · MatereeS22B2B · Jakarta
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Ahmed AlyFabraixFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/zachdotaiibrahim abduFabraixFounder/CTOSummer 2026B2BSan Francisco, United States2—Merlin KafkaRexFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/merlinkafkaSaksham AggarwalCardboardFounder/CEOWinter 2026B2BSan Francisco, United States5https://x.com/sxmawlKiran MohanLexiFounder/CTOFall 2025B2BSan Francisco, United States15https://x.com/bmnarikLinus BoehmFintoFounder/CTOSummer 2025B2BMunich, Germany10—Khalid AshmawyMunifyFounder/CEOSummer 2025FintechOrlando, United States4—Naimisha RaoGullak MoneyFounderSummer 2022FintechBengaluru, India15—Hansel HanselMatereeFounderSummer 2022B2BJakarta, Indonesia20—Steven WalentinoMatereeFounderSummer 2022B2BJakarta, Indonesia20—
Showing 1–10 of 10 founders
Merlin Kafka
Founder/CEO·Rex
PRIMARY INFO
RoleFounder/CEO
Team size2
BatchSummer 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Merlin is the Founder and CEO of Rex, the AI partner for enterprise order-to-cash. He spent 4 years as CPO at Sequence (a16z-backed), an order-to-cash platform where he grew the company to millions in ARR and hundreds of customers. He has deep domain expertise in order to cash and accounts receivable workflows -- the exact space Rex is transforming with AI. Previously a PM at Tessian (Sequoia-backed, acquired in 2023). Studied Industrial Engineering in Cambridge and Product Design in Glasgow.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineDesignerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
RexAI-native BPO for enterprise order-to-cash
Co-foundersLewis Blackwood
