Joan Guàrdia

Joan Guàrdia is not mentioned in either of the provided news articles. Therefore, it's impossible to provide a summary about them based on the given information. The articles focus on Martín Berasategui's involvement with the Barcelona Culinary Hub and the upcoming construction of a neuroscience center at the University of Barcelona. Without any mention of Joan Guàrdia, there's no basis to discuss their background, newsworthiness, recent events, or current relevance.