https://en.wikipedia.org/wiki/Jack_Dorsey https://en.wikipedia.org/wiki/Jack_Dorsey "a co-founder and CEO of Twitter, and as the founder and CEO of Square, a mo

https://en.wikipedia.org/wiki/Jack_Dorsey https://en.wikipedia.org/wiki/Jack_Dorsey "a co-founder and CEO of Twitter, and as the founder and CEO of Square, a mobile payments company."