Founder Directory
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Founders37
Known for these resultsRole49%Role is parsed from founder titles in yc.db. Known for 49% 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.Bio95%Bio coverage: 95% 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-company32%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 32% of these rows have at least one match.School19%School is matched from bios, case-sensitive for acronyms. 19% of these rows have at least one match.
- Diego Avellaneda@diego_torres173Founder/CEO · Callbook AIS26B2B · San Francisco
- Badis Zormati@zormati_baFounder/CTO · Asendia AIX26B2B · San Francisco
- Chris NoletFounder/CEO · Button ComputerW26B2B · San Francisco
- Henry Ndubuaku@Henry_NdubuakuFounder/CTO · Cactus ComputeS25B2B · San Francisco
- Roman Shemet@romanshemetFounder/CEO · Cactus ComputeS25B2B · San Francisco
- Patrick FayFounder/CTO · MagneticS25B2B · San Francisco
- Thomas Shelley@tsh3llFounder/CEO · MagneticS25B2B · San Francisco
- Divam Gupta@divamguptaFounder/CTO · Stellon LabsS25B2B · San Francisco
- Rohan Joshi@ron_joshiFounder/CEO · Stellon LabsS25B2B · San Francisco
- Edward ZhangFounder/CTO · TinyF24B2B · Singapore
- Amy Xiao@amyxstFounder/CEO · CloudglueS24B2B · San Francisco
- Anish Tondwalkar@dlbydqFounder · d_modelS24B2B · San Francisco
- Mike Bifulco@irreverentmikeFounder · CraftworkS23Real Estate and Construction · Charlotte
- Debanjum Singh Solanky@debanjumFounder · KhojS23Consumer · San Francisco
- Saba Imran@sabaimran_goFounder · KhojS23Consumer · San Francisco
- Tom TytunovichFounder · Wild MooseW23B2B · New York
- Andrew PetersonFounder · Array LabsS22Industrials · San Francisco
- Jose Isaac RobledoFounder · Array LabsS22Industrials · San Francisco
- Frederik CeyssensFounder · KeylikaS22Healthcare · San Francisco
- Sourav Sanyal@SouravSanyal07Founder · AvairSenseW22Consumer · Bengaluru
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Diego AvellanedaCallbook AIFounder/CEOSummer 2026B2BSan Francisco, United States7https://x.com/diego_torres173Badis ZormatiAsendia AIFounder/CTOSpring 2026B2BSan Francisco, United States3https://x.com/zormati_baChris NoletButton ComputerFounder/CEOWinter 2026B2BSan Francisco, United States1—Henry NdubuakuCactus ComputeFounder/CTOSummer 2025B2BSan Francisco, United States8https://x.com/Henry_NdubuakuRoman ShemetCactus ComputeFounder/CEOSummer 2025B2BSan Francisco, United States8https://x.com/romanshemetPatrick FayMagneticFounder/CTOSummer 2025B2BSan Francisco, United States10—Thomas ShelleyMagneticFounder/CEOSummer 2025B2BSan Francisco, United States10https://x.com/tsh3llDivam GuptaStellon LabsFounder/CTOSummer 2025B2BSan Francisco, United States2https://x.com/divamguptaRohan JoshiStellon LabsFounder/CEOSummer 2025B2BSan Francisco, United States2https://x.com/ron_joshiEdward ZhangTinyFounder/CTOFall 2024B2BSingapore, Singapore3—Amy XiaoCloudglueFounder/CEOSummer 2024B2BSan Francisco, United States4https://x.com/amyxstAnish Tondwalkard_modelFounderSummer 2024B2BSan Francisco, United States20https://x.com/dlbydqMike BifulcoCraftworkFounderSummer 2023Real Estate and ConstructionCharlotte, United States50https://x.com/irreverentmikeDebanjum Singh SolankyKhojFounderSummer 2023ConsumerSan Francisco, United States2https://x.com/debanjumSaba ImranKhojFounderSummer 2023ConsumerSan Francisco, United States2https://x.com/sabaimran_goTom TytunovichWild MooseFounderWinter 2023B2BNew York, United States3—Andrew PetersonArray LabsFounderSummer 2022IndustrialsSan Francisco, United States30—Jose Isaac RobledoArray LabsFounderSummer 2022IndustrialsSan Francisco, United States30—Frederik CeyssensKeylikaFounderSummer 2022HealthcareSan Francisco, United States1—Sourav SanyalAvairSenseFounderWinter 2022ConsumerBengaluru, India14https://x.com/SouravSanyal07
Showing 1–20 of 37 founders
Frederik Ceyssens
Founder·Keylika
PRIMARY INFO
RoleFounder· not in title
Team size1
BatchSummer 2022
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
With a deep passion for diverse technologies, Frederik is truly a multi-domain expert. From tiny moving machines to nuclear space rockets, and electrical circuits to medical devices – Frederik has pursued an illustrious scientific career over the last 15 years developing key microtechnologies for lifescience applications. He also founded a venture-backed neurotech startup to cure blindness. Frederik holds a PhD and a Masters in IC design as well as a Bachelors' in Medicine.
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.
CredentialsPhD
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
KeylikaRedefining the Standard of Care for Iron Deficiency Anemia
Co-foundersBuddha Chaudhuri@buddhachaudhuri
