Graduate / What to put accross in the Masters In Public Policy-SOP? [3]

Dear Friends,

I will be applying for the masters n public policy , at Oregon. Corvalis.
I need to know what all, should I highlight in the essay. I have a 3 years of banking experience in a developing economy, MBA by profession, and have done enough social work , as a volunteer during college days.

kindly can anyone, guide me what all do I need to put across in the SOP.