Ken Berman, a.k.a. The Gorilla Ken Berman, a University of Michigan graduate, is the founder and CEO of GorillaTrades Inc. He has been buying and selling stocks since he was a teenager and met with early success trading then-fledgling biotech stocks like Amgen, Biogen, and Immunex. He later became a broker and worked for two wire houses, where he developed a proprietary system for buying and selling equities. In 1999, Mr. Berman formalized his method under the GorillaTrades name.