
San Francisco's Thai restaurant boom just picked up its flashiest entry yet: a SoMa debut from one of Bangkok's most decorated chefs, opening July 24 within a foul ball of Oracle Park. The name is Saam — "three" in Thai — and the number is doing a lot of work here. It's the chef, plus two local partners, plus the promise that a Giants-adjacent block on Brannan Street can be a genuine dining destination rather than a pre-game pit stop.
Saam moves into 415 Brannan St. under executive chef Thitid "Ton" Tassanakajohn, the Michelin-starred force behind Bangkok's Le Du and Nusara, according to the San Francisco Chronicle. He's teamed with two Bay Area Thai chefs who will actually run the room day to day: Tee Atthapon, chef-owner of Daly City's Kan Kiin and San Francisco's Song Wat, as general manager, and Ty Choosuwan, an alum of Prospect and Boulevard, as chef de cuisine. Tassanakajohn takes the executive chef title — hence saam, the three of them.
A Michelin résumé, developed by text message
Tassanakajohn's backstory is tailor-made for a press release: an investment banker who bailed on finance for the Culinary Institute of America, then cooked at Eleven Madison Park and Jean-Georges before heading home to Bangkok. Le Du earned a Michelin star, Nusara followed, and he now oversees more than 10 restaurants across Thailand and Asia, per the Chronicle. Saam is his first venture outside the continent.
Here's the wrinkle worth flagging. The chef lives in Thailand, and much of Saam's menu development happened over text. The Chronicle reports he sent photos and detailed cooking instructions to Atthapon and Choosuwan, who cooked, photographed the results, and sent them back for notes — the Thai-Javanese lamb curry and a charred tomato relish among the dishes hammered out this way. He flew in last week to supervise the final stretch and plans to stay at least a month. Long-distance R&D is a bold way to launch a place that's openly gunning for Kin Khao and Nari territory, and consistency, not talent, is the thing to watch.
What's actually on the plate
Expect regional Thai cooking built on Bay Area produce, with no apology on heat. Tassanakajohn told the Chronicle the food will be as spicy as it would be in Thailand, with only a few gentler options like a chile-free white curry. Early menu ideas run to green papaya salad with soft-shell crab, beef tartare with aromatic Thai herbs, a pork chop with house-made chile jam, and curries pounded by hand from scratch.
The bar is where things get genuinely interesting. Alongside Thai beers, local drafts and wine, Saam will pour sato — a bubbly, fermented sticky-rice drink from Thailand's northeastern Isan region that the chef likens to Korean makgeolli. He told the Chronicle that sato has taken off with younger drinkers back home, spawning craft producers such as Devanom just outside Bangkok.
View the Saam announcement on Instagram
Into a very crowded field
Saam lands in the middle of a real Thai restaurant surge, and timing is its own kind of gamble. The San Francisco Standard counted Mission shrimp-doughnut spot Sawaan, West Portal's overnight sensation Tur, and the Castro's Ka Kai among this year's debuts alone. Hoodline has tracked much of the wave up close — Ka Kai took over the former Thai Chef space after that Castro mainstay closed following 21 years, and down the Peninsula, Mahasan started slinging scratch-made curries in downtown San Mateo.
That's a lot of new Thai in a single calendar year, and Saam enters with both the highest ceiling and arguably the trickiest math. A marquee chef 8,000 miles away, a casual price point, and cooking meant to flirt with Michelin-level ambition is a difficult trio to balance every single night. The talent is not in doubt; the operating model is the open question.
The space, and the address's track record
The dining room seats roughly 60, freshly redone with wood walls and backlit shelves lined with clay pots and cooking vessels brought over from Thailand, according to the Chronicle. The address has seen its share of turnover, most recently housing the Thai spot Sun and Moon, as noted by the San Francisco Standard. Whether Saam breaks that cycle — on a stretch that leans heavily on ballpark foot traffic — is the SoMa question worth a return visit to answer.
For the record, Atthapon is no stranger to reinvention: his Song Wat on Divisadero opened this spring as a rebrand of Mangrove Thai Kitchen, SFist reported, and the name nods to a historic street in Bangkok's Chinatown, per Tablehopper. Saam opens July 24, with the team teasing a "late July" arrival and a tagline that sums up the whole enterprise: three flavors, one soul.









