Founder Directory
Built by Keitoto
Founders150
Known for these resultsRole43%Role is parsed from founder titles in yc.db. Known for 43% 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.Bio77%Bio coverage: 77% 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-company20%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 20% of these rows have at least one match.School29%School is matched from bios, case-sensitive for acronyms. 29% of these rows have at least one match.
- Johnny Doyle@jdoyleirlFounder/CEO · ProvenMetalS26Industrials · San Francisco
- Will Carkner@CarknerWillFounder/CTO · ProvenMetalS26Industrials · San Francisco
- Emily Colman@emilyrcolmanFounder · RonanRx Inc.S26Healthcare · San Francisco
- Lloyd Armbrust@larmbrustFounder/CEO · RonanRx Inc.S26Healthcare · San Francisco
- Justin SoFounder/CEO · SidekickS26B2B · San Francisco
- Sruthi Viswanathan@_sruvisFounder/CEO · Deep InteractionsX26B2B · San Francisco
- Mike Levin@mike_dripFounder/CEO · DreachX26B2B · San Francisco
- Adam RonFounder/CEO · SoriaX26Fintech · New York
- Cameron SpillerFounder/CTO · SoriaX26Fintech · New York
- Selina Li@SelinaliyyFounder/CEO · Bubble LabW26B2B · San Francisco
- Zach Zhong@zhubzyzFounder/CTO · Bubble LabW26B2B · San Francisco
- Christopher AckerFounder/CEO · Carrot LabsW26B2B · San Francisco
- Yuta Baba@yuta__babaFounder · Carrot LabsW26B2B · San Francisco
- Gauri Agarwal@gauriagarwal99Founder/CTO · KoyalF25Consumer · San Francisco
- Mehul Agarwal@meh_agarwalFounder/CEO · KoyalF25Consumer · San Francisco
- Anna Zhang@anna_y_zhangFounder/CEO · NessieF25Consumer · San Francisco
- Tiger Wang@tigerjwangFounder/CTO · NessieF25Consumer · San Francisco
- Ethan BoyersFounder/CTO · Semble AIF25B2B · San Francisco
- Jonathan TyshlerFounder/CEO · Semble AIF25B2B · San Francisco
- Ansh Sheth@AnshSheth4Founder · Bizzy AIS25B2B · New York
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Johnny DoyleProvenMetalFounder/CEOSummer 2026IndustrialsSan Francisco, United States4https://x.com/jdoyleirlWill CarknerProvenMetalFounder/CTOSummer 2026IndustrialsSan Francisco, United States4https://x.com/CarknerWillEmily ColmanRonanRx Inc.FounderSummer 2026HealthcareSan Francisco, United States5https://x.com/emilyrcolmanLloyd ArmbrustRonanRx Inc.2× YCFounder/CEOSummer 2026HealthcareSan Francisco, United States5https://x.com/larmbrustJustin SoSidekickFounder/CEOSummer 2026B2BSan Francisco, United States1—Sruthi ViswanathanDeep InteractionsFounder/CEOSpring 2026B2BSan Francisco, United States4https://x.com/_sruvisMike LevinDreachFounder/CEOSpring 2026B2BSan Francisco, United States2https://x.com/mike_dripAdam RonSoriaFounder/CEOSpring 2026FintechNew York, United States3—Cameron SpillerSoriaFounder/CTOSpring 2026FintechNew York, United States3—Selina LiBubble LabFounder/CEOWinter 2026B2BSan Francisco, United States2https://x.com/SelinaliyyZach ZhongBubble LabFounder/CTOWinter 2026B2BSan Francisco, United States2https://x.com/zhubzyzChristopher AckerCarrot LabsFounder/CEOWinter 2026B2BSan Francisco, United States2—Yuta BabaCarrot LabsFounderWinter 2026B2BSan Francisco, United States2https://x.com/yuta__babaGauri AgarwalKoyalFounder/CTOFall 2025ConsumerSan Francisco, United States5https://x.com/gauriagarwal99Mehul AgarwalKoyalFounder/CEOFall 2025ConsumerSan Francisco, United States5https://x.com/meh_agarwalAnna ZhangNessieFounder/CEOFall 2025ConsumerSan Francisco, United States3https://x.com/anna_y_zhangTiger WangNessieFounder/CTOFall 2025ConsumerSan Francisco, United States3https://x.com/tigerjwangEthan BoyersSemble AIFounder/CTOFall 2025B2BSan Francisco, United States2—Jonathan TyshlerSemble AIFounder/CEOFall 2025B2BSan Francisco, United States2—Ansh ShethBizzy AIFounderSummer 2025B2BNew York, United States—https://x.com/AnshSheth4
Showing 1–20 of 150 founders
Lloyd Armbrust
Founder/CEO·OwnLocal
PRIMARY INFO
RoleFounder/CEO
Team size45
BatchWinter 2010
LocationAustin, United States
Company statusActive
StageGrowth
BIO
2x YC founder. 3 Exits. 6 Kids. Built a $50M manufacturing business. Now building RonanRX. We use AI to personalize peptides and GLP1s like Ozempic to your biology. By combining labs, wearables, medical history, treatment response, and the latest research, we continuously personalize your treatment as your body changes. Peptides are like Claude Code for your body. Your biology is the prompt. Oldest founder in S26, raising six kids outside Austin, Texas.
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
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
2× YC founder
- W10OwnLocalActive · this entry
- S26RonanRx Inc.Active
COMPANY CONTEXT
OwnLocalOwnLocal automates marketing for over 129,000 SMBs through 3,300…
Co-foundersJason Novek
