Microsoft announced its .NET strategy last June. It is designed to deliver Web-development tools for XML-friendly platforms. Lewin will be responsible for managing and expanding strategic business-relationships.
During his time at Apple, Lewin steered the company into the higher-education market, and became director of education sales and marketing.
Lewin was most recently CEO of Aurigin Systems, which specializes in intellectual property asset-management. He has also acted as a consultant for start-ups such as Kaleida and Taligent.