"The STEMnologist" chronicles Dr. Seyi Ogebule's remarkable path through multiple continents, groundbreaking research, and entrepreneurial ventures. This memoir reveals how purpose-driven leadership in STEM can transform not just industries, but entire communities across the globe. From laboratory discoveries to boardroom decisions, from classroom inspiration to startup innovation, Dr. Ogebule shares the strategies, setbacks, and breakthroughs that define a life dedicated to advancing both technology and humanity.