Leonard Moonen

Leonard Moonen is co-founder and CEO of Praxa Sense, a TU Delft spin-off based in Rotterdam and Nijmegen that develops ALIS, a laser speckle contrast sensing (LSCS) biosensor platform. ALIS measures a blood flow index signal(BFi) alongside the photoplethysmography (PPG) signal used in today’s wearables, and is sold as an OEM component to wearable health device manufacturers. Before founding Praxa Sense in 2018 with Liselotte Stolk, Leonard studied at TU Delft, where he was the first graduate of the Delft Design Cardio Lab, and the two founders developed a cardiac monitor with the Dutch Heart Foundation and took it through ISO 13485 certification