The MaRS Centre, located in Toronto, is the world's largest urban innovation hub that brings together the entire innovation ecosystem under one roof. MaRS works closely with entrepreneurs in various sectors such as life sciences and health care, information technology, communications and entertainment, clean tech, advanced materials and energy, as well as the social sector. The firm focuses on four main sectors: clean-tech, work and learning, fin-tech and healthcare. MaRS accelerates companies by providing expert advice, market intelligence, access to capital, connections to talent and customers. MaRS has been at the forefront of a wave of change that extends from Melbourne to Amsterdam and runs through San Francisco, London, Medellín, Los Angeles, Paris and New York, striving to create dense innovation districts that co-locate universities, startups, corporates and investors.