When you think of Mike Tyson, images of boxing glory and knockout power come to mind. But outside the ring, "Iron Mike" had a ...

Garrett Waggoner and Andy Gay came up with their idea for flavored-water startup Cirkul as Dartmouth football teammates — and then made it a $1 billion company.

You may not have heard of Ansys, but it's in the process of being acquired by chip design tool firm Synopsys for $35 billion.