Public relations (PR) : planning publicity strategies and campaigns.
writing and producing presentations and press releases.
dealing with inquiries from the public, the press, and related organisations.
organizing and attending promotional events such as press conferences,and more
Sales & Marketing : Contributes information, ideas, and research to help develop marketing strategies. ... Develops sales strategies and approaches for various products and services, such as special promotions, sponsored events, etc. Answers questions from clients about product and service benefits.