أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
I would not recommend merging the two roles into one as business development has a big role of identifying scope of improvements in all functional areas of the business entity for over all business development.
Sales in itself is a specialized field with very focused approach having prime responsibility of customers engagement to generate revenue and profit.