Extern
YC W17San Francisco, US · Founded 2019 · 30 employees · 6 known investors
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Extern provides externship programs that connect companies with emerging generations to gather consumer insights and test product concepts. The platform serves marketing and product teams at consumer and financial services companies seeking research and prototyping capabilities.
Also known as Polymath Labs, Inc. · Paragon One
Founders & leadership· Y Combinator alumni (W17)
Extern was founded in 2019 by Matt Wilkerson.

Investors · 6
How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
Related companies · 8
Companies working in the same space as Extern.
Legal entities · 2
corporate structureFrequently asked questions
- What does Extern do?
- Extern provides externship programs that connect companies with emerging generations to gather consumer insights and test product concepts. The platform serves marketing and product teams at consumer and financial services companies seeking research and prototyping capabilities.
- Who founded Extern?
- Extern was founded by Matt Wilkerson in 2019.
- Who are Extern's investors?
- Extern's investors include Y Combinator, AltaIR Capital, Foundation Capital, Learn Capital, LYVC, Navitas Capital.
- Where is Extern headquartered?
- Extern is headquartered in San Francisco, US.













