CBA 024 – Shaun O’Sullivan of 21st Amendment Brewery

Shaun O'Sullivan of 21st Amendment

“I think this would be a good time for a beer”

-Franklin Delano Roosevelt, upon the signing of the Cullen-Harrison Act on March 21st, 1933, the precursor to the 21st Amendment and repeal of Prohibition on December 5th, 1933.


Prohibition was a dark time for the United States. Temperance proponents seemed to have won the fight by not only enacting laws around alcohol sale and consumption, but by actually amending the Constitution to get alcohol out of our hands. As you already know, this Amendment was repealed in 1933 under FDR with the 21st Amendment. It’s because of this that today’s guest Shaun O’Sullivan named his brewery with his business partner Nico Freccia; to remember when the nation got its senses back and started us back on the path of great beer.

Shaun O’Sullivan

Shaun O'Sullivan 21st Amendment

Shaun is the Co-Founder as well as the Brewmaster of 21st Amendment Brewery, located in San Francisco, California. Shaun started in the brewing business at Triple Rock Brewery in Berkeley, CA. After Triple Rock, he moved on to brew at Steelhead Brewery as well as 20 Tank Brewery, both located in San Francisco at the time.

Before his brewing career, Shaun was a photojournalist in Los Angeles, shooting political and music photographs. He also served some time as a corporate law clerk at a large New York law firm’s office in Los Angeles. Shaun toyed with the idea of going to business school to further his career, but instead he “traded in his three piece suits for boots and was saved by beer! Hallelujah.”

21st Amendment Brewery

21st Amendment Brewery is known for their canned beer, that while becoming popular today, was nearly unheard of when they started canning back in 2007.


Today, 21st Amendment makes an awesome lineup of beers, including their first beers Hell or High Watermelon, a summer seasonal American wheat beer with real watermelon added to secondary fermentation, and Brew Free or Die IPA, a solid West Coast IPA.

With production brewing shifting from their canning line in Cold Spring, Minnesota back to San Francisco in the near future, things are looking great for 21st Amendment, and it definitely is a good time for a beer.

The Contest!


Starting this month, we’re moving the Craft Beer Showdown to a monthly format with new episodes coming out the first Wednesday of each month. With this, we also have our very first Podcast sponsor: Craft Brewed Clothing. Each show we’ll give away one free 1-month membership in their Brewery T-Shirt of the Month Club to thank you for listening. That means a free T-Shirt as well as sticker and coaster from the brewery.

You can subscribe or buy individual t-shirts for 30% off, the promo code is listed in this month’s show. Enter using the form below for your chance to win this month’s prize. Runner-up gets a set of 5 card stock promo sheets from 21st Amendment Brewery.

More on the club can be found here.

We’ll have a big contest coming up this weekend to win one of 2 6-month memberships to the Brewery T-Shirt of the Month Club, so check back for that soon.

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