Greg Castella


As leader of EssentialTech’s Humanitarian Division, Greg is passionate about innovation, humanitarian action and social entrepreneurship. Prior to working at EssentialTech, he led Innovation Coordination at MSF (Doctors Without Borders) Switzerland, aimed at harnessing the power of medical, humanitarian and digital innovations to meet the needs of patients and others affected by disasters. He previously worked several years as a manager for the International Committee of the Red Cross (ICRC) in various regions affected by armed conflicts (Afghanistan, Colombia, Central African Republic, Ivory Coast) and later as deputy director for the Antenna Foundation, an NGO that incubates innovative solutions to meet the basic needs of people living in poverty. He is the co-founder and currently VP of the board of Watalux SA, a social startup developing innovation for safe water and better hygiene in hospitals, and board member of SwissSolidarity, a leading swiss philanthropic foundation. He holds a PhD in Life Science from the University of Lausanne (Switzerland).