[2] Koch earned a Bachelor of Arts, Juris Doctor, and Master of Business Administration from Harvard University.

[7] In August 2018, Koch said the corporate tax cut of 2017 helped to play a major role in making Boston Beer Company more competitive in regard to foreign competitors.

Koch stated that "When I started Sam Adams, American beer was a joke, and it pissed me off.

And the tax reform was a very big deal for all of us, because 85 percent of the beer made in the United States is owned by foreign companies.

"[8][9] Koch's marriage to his first wife, Susan, ended around the time he started the Boston Beer Company.