Zuma Restaurants | 117,226 followers on LinkedIn. A sophisticated twist on the traditional Japanese Izakaya style of informal dining; co-founded by Rainer Becker. | Zuma award-winning Japanese restaurants have led the way for more than 20 years with their sophisticated twist on ‘izakaya’-style informal dining: a contemporary take on authentic Japanese cuisine which is innovative, while still rooted in traditional methods. Zuma was founded in Knightsbridge, London in 2002 by chef Rainer Becker and quickly established an enviable worldwide reputation. Using the best ingredients combined with the knowledge and respect for authentic Japanese cuisine, Zuma has established itself as a world renowned restaurant.