Creating a report for seller statistics in SSRS

Hello,

I want to create a report in SSRS where I can see all the company opportunities(won,lost,open) and the amount of contacts.

Example:

Seller:                    Opportunities:           Won:            Lost:       Open:         Contacts:

Aaron A                       15                        3                 6             6                  23

Brian B                         9                         2                 4             3                  19

What Entity and what Attributes should I fetch in the Dataset Query to be able to build a report like the one above?

//Oscar