Workflow in MDM with email notification

Hi All,

I am using the workflow for the first time,and doing a scenario where workflow should be automatic and ,

1. as one user finishes the processing it should go to the next user automaticallyan an so on.

2. As on user add new records and field values a email notification should also go to the next user available as the processing of first user finishes.

Please provide me someo helpfull links or suggetions ASAP,all the efforts will be appriciated.

Thanks & Regards