RD Vs. MVP
The MVP program is broader in scope than the Regional Director program. Regional Directors tend to be experts focusing on software development tools and technologies, where MVPs can be experts in any of the numerous Microsoft product lines. Regional Directors also focus more on evangelizing the business and technical value of these technologies. Logistically speaking, there are far fewer Regional Directors than there are MVPs. MVPs number in the thousands, whereas there are around 120 Regional Directors.
Read more about this topic: Microsoft Regional Director