Will Jones
Photo Courtesy of essi
Konstantinos Vais spent three decades working in other people’s kitchens before he opened one that carried his own name on the door. By his own account, he has spent 32 years in hospitality, including a decade as a Food and Beverage Director inside London’s hotel market, long before he built the restaurant now known as essi. That kind of tenure rarely produces headlines on its own. It produces instincts: about timing, about service, about what a room needs before anyone in it says a word.
Vais was born in Australia in 1971, the son of a family that had emigrated from Greece the previous decade. He grew up with two food cultures running in parallel, one arriving through his mother’s and grandmother’s cooking, the other absorbed from Australia’s own restaurant scene as he came up through it professionally. Years before essi existed, he ran a street food operation, a souvlaki truck that let him test ideas on customers directly, without a dining room or a wine list standing between him and the feedback. It was a small, low-cost way to learn what worked before he ever risked a lease on it.
Those ten years as a Food and Beverage Director came within London’s hotel industry, specifically, a sector where consistency is graded nightly and where a single service failure can be visible to a general manager within hours. That is a different discipline than running an independent restaurant, and Vais has carried pieces of both into essi: the structure and standards of hotel-level service, paired with the personal risk of putting his own name and money behind a menu built from his own family’s cooking.
A Career Built On A Claim
Vais traces essi’s identity to a specific gap he says he was the one to fill. “Being the first in the UK to bring that rustic/grunge yet elevated flavor to Greek food. And the first to make it Greek – Australian,” he says of what the restaurant represents. It is a bold line, and it is his own, not one independently verified by outside press or industry bodies. What is documented is the mechanics behind it: a menu that treats Greek technique as the foundation and layers Australian ingredients and instincts on top, built by someone with three decades of professional hospitality experience standing behind the idea rather than a marketing team inventing it after the fact.
That claim matters less as a slogan than as a description of how Vais operates day-to-day. He describes himself as an owner who stays present on the floor rather than one who steps back once the concept is built. It is an old-school approach to hospitality, one that treats a restaurant less as an investment and more as a daily obligation to the people eating there.
Essi opened as a residency at TT Liquor in Shoreditch in March 2023, a launch that put his cooking in front of a London audience for the first time under its own name rather than his food truck’s. The restaurant later underwent a rebrand, from esti to essi, after a dispute over the earlier name’s trademark with an unrelated multinational company. Vais and his team chose to change the name rather than fight a costly legal battle, a decision that reads less as a retreat and more as a founder choosing to protect momentum over ego.
None of that career arc, on its own, explains why a chef becomes a subject worth profiling rather than a restaurant worth reviewing. What is the throughline: three decades of learning the hospitality trade from the inside, a bet placed on a specific, personal idea of what Greek food could be outside Greece, and a willingness to rebuild a brand’s name rather than abandon the idea behind it. Vais built his career the slow way, through kitchens and hotel departments rather than a single viral moment, and the record he has accumulated is what now invites a closer look at what that decades-long apprenticeship produced.
Whatever verdict the wider food press eventually reaches on his claim to a “first,” the career that preceded it is undisputed. Thirty-two years is not a number a chef can borrow or fabricate convincingly. It is the part of Konstantinos Vais’s story that was true long before essi ever opened its doors, and it remains the foundation on which everything else about him is now being built.