Mark Lucovsky is an American software developer who worked for Microsoft and who is now employed by VMware. He is noted for being a part of the team that designed and built the Windows NT operating system, which would eventually become the basis of all Windows releases. Lucovsky worked on the Microsoft .NET My Services product (codenamed Hailstorm) prior to moving to Google. At Google, he has served as a Technical Director for the Ajax Search API. He joined VMware in July 2009.