Good Problem Solving Skills : Solving problem statements in campaign design space - Eg: What control group to choose while rolling out marketing campaigns How to adequately, accurately measure campaign performance post rollout
Good SAS + SQL : Need good SAS+SQL to complement above problem solving, as they'll be working on data themselves
Basic business understanding of banking products (Credit cards, CASA, Mortgage, etc.)
Preferred : Prior experience in campaign design / strategy in banking