HARMONY is Europe’s largest public-private partnership for big data in hematology. Here, Jesús MarÃa Hernández Rivas, HARMONY Alliance Project Coordinator, from IBSAL, Spain, discuses the alliance and how big data enable better and faster treatment for patients with hematologic malignancies. This video was recorded at the 23rd congress of the European Hematology Association (EHA) 2018 press briefing, held in Stockholm, Sweden.