Thyagaraja Marathe is a Staff Research Engineer at Xona Space Systems, focusing on PNT with LEO satellite constellations. He earned a PhD in Geomatics Engineering (2016) from the University of Calgary, where he also completed postdoctoral research, an M.S. (2011) from BITS Pilani, and a B.Eng. (2005) from VTU, India. His background spans advanced GNSS technologies, including precise positioning, corrections, and receiver innovation, and he has previously worked at Rx Networks and Accord Software. His research interests include LEO PNT and high-accuracy navigation.