Okezue Bell is a Nigerian-American inventor. Following research in neuroscience and generatics at Harvard Medical School, he created the WeArm, a prosthetic arm for below-the-elbow amputees costing under $400. Okezue also founded Fidutam, a SIM-based microfinancing application for unbanked, low-infrastructure communities, which has provided over $400,000 in financial runway to thousands of families using blockchain technology. He is a UN STEM activist and has been a researcher at the MIT Media Lab and Boston Children's Hospital.