cofounder

American  

[koh-foun-der] / koʊˈfaʊn dər /

Or co-founder

noun

1. a person who founds or establishes something with another.

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Etymology

Origin of cofounder

First recorded in 1595–1605; co- + founder ¹

Example Sentences

Andrew Salter, cofounder of mushroom drinks brand Dirtea, says lion's mane in particular has a subtle taste, and I found there was next to no difference between my functional coffee and the regular one.

From BBC

In Ukraine, it has “reduced targeting times from days to hours and minutes,” says Isaac Flanagan, a cofounder of Zero Line, a nonprofit that works with international donors to support Ukrainian defense innovation.

From The Wall Street Journal

AI is the next big revolution in entertainment media, Xavier Collins, chief executive and cofounder of Wonder Studios, said in an interview.

From The Wall Street Journal

Future Fund Active ETF cofounder Gary Black External link said “no chance Tesla shareholders vote down Elon’s pay package.”

From Barron's

The president on Sunday told Fox News that people involved in the deal include Oracle Corp. cofounder Larry Ellison, Dell Technologies Chief Executive Michael Dell and, probably, Rupert Murdoch and his eldest son, Lachlan.

From Los Angeles Times