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Use "cofounding" in a sentence
"We were all of an age and down the years I got to know Willie's other three cofounding Eye Salopians, who also enjoyed their cricket."
"(Reeves is also putting his ideas to the test by cofounding a consulting firm, Seriousity, that will coach companies on how to do this.)"
"Born in 1954 in a suburb of Detroit, Mr. Kelley first earned a counter-culture reputation for cofounding the 1970s Detroit punk band Destroy All Monsters."