Head Sommelier MA/NA (Opening January 2026) Location: 30 Upper Grosvenor Street, Mayfair About MA/NA Opening in January 2026 on Upper Grosvenor Street, MA/NA is born from the Japanese philosophy that every ingredient carries an invisible power a life-force shaped by nature and the hands that honour it. Mana is the spiritual energy that exists beneath the surface of all things. It is felt rather