David Johnston is a Principal Software Design Engineer with the Audio and Acoustics Research Group in Microsoft Research Labs, which he joined in 2011. He received his B.S. degree in Computer Science from the University of Washington in 1992. In 1995 Mr. Johnston co-founded Syntrillium Software and developed the multitrack studio audio editor Cool Edit Pro, a stereo audio editor for Windows. He sold the company to Adobe Systems in 2003 and continued working on what became Adobe Audition until 2010. David’s current work includes spatial audio for HoloLens and Windows.