Hjalmar Nilsonne is the co-founder and CEO of Neko Health, where he leads the company’s mission to build a proactive, data-driven model of healthcare focused on early detection. He has played a central role in shaping Neko’s approach to combining advanced sensing technologies, software, and clinical care into a single, integrated system designed to improve how health is understood and managed over time. Prior to Neko, Nilsonne co-founded and served as CEO of Watty, an energy data company focused on improving residential energy efficiency through machine learning, which was later acquired by Assa Abloy. Raised in a family of doctors, he brings a systems-oriented perspective to healthcare innovation. He holds an MSc in Industrial Engineering, with a focus on energy systems and machine learning.