Founder Directory
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Founders7
Known for these resultsRole14%Role is parsed from founder titles in yc.db. Known for 14% 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-company29%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 29% of these rows have at least one match.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Jon Levinson@levinsonjonFounder/CEO · Sage CareS24Healthcare · San Francisco
- Sabih Mir@sabihmirFounder · MedervaW22Healthcare · San Francisco
- Daniel Lewis@snackbardanFounder · SendoW22B2B · New York
- Mark PiperFounder · WorksphereW21B2B · Seattle
- Tim BoireFounder · VenoStentS20Healthcare · Houston
- Jesse Zhang@jessemzhangFounder · BeaconsS19Consumer · San Francisco
- Karan MirchandaniFounder · HelloverifyW18B2B · Noida
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Jon LevinsonSage CareFounder/CEOSummer 2024HealthcareSan Francisco, United States3https://x.com/levinsonjonSabih MirMedervaFounderWinter 2022HealthcareSan Francisco, United States13https://x.com/sabihmirDaniel LewisSendoFounderWinter 2022B2BNew York, United States1https://x.com/snackbardanMark PiperWorksphereFounderWinter 2021B2BSeattle, United States6—Tim BoireVenoStentFounderSummer 2020HealthcareHouston, United States17—Jesse ZhangBeaconsFounderSummer 2019ConsumerSan Francisco, United States35https://x.com/jessemzhangKaran MirchandaniHelloverifyFounderWinter 2018B2BNoida, India600—
Showing 1–7 of 7 founders
Theresa Klaassen
Founder·Worksphere
PRIMARY INFO
RoleFounder· not in title
Team size6
BatchWinter 2021
LocationSeattle, United States
Company statusAcquired
StageEarly
BIO
Theresa is an entrepreneur with 10+ years of experience in leadership. She's led Customer Success and Sales teams at multiple tech startups, including the new market expansion team at a Series-B funded company. Prior to co-founding Workpshere, she worked with her fellow co-founders at their previous startup Lish, building it to a $12M ARR business.
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
DisciplineBusinessKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
WorksphereManage your hybrid workplace
