Mark and Lisheng worked together for over six years at Propel(x), a Deep Tech investment platform co-founded by Lisheng. Our past investments include: A123 Systems, Aperio, Avails Medical, BlockApps, Brelyon, Cage Bio, Device42, Digital Currency Group, Gather AI, InsightFinder, Liatris, Medcura, Mesentech, P2 Science, Probius, ProteoWise, Riven, SkyCool, WRM, and Zenflow.