He will be responsible for all of MySpace's operations in Europe as the company looks to expand its reach across the continent.
Reporting directly to Chris DeWolfe, the company's chief executive, one of his main priorities will be to negotiate with TV and music content owners to develop foreign-language versions of the site.
MySpace, which was bought last year by News Corporation for $580 million, integrates web profiles, blogs, messaging, music streaming, videos and photo galleries. It has more than 83.5 million users worldwide and more than three million in the UK.
DeWolfe said: "David has been immersed in Europe pop culture for more than 15 years. We believe he will quickly be in tune with our UK users' wants and needs. "
Before joining the business, Fischer was the founder and chief executive of the Xlantic Group, which develops business models in the production and marketing of web-based music and other media.
Feature, page 24.