What are the role of marketing in organization?

What are the role of marketing in organization?
role of marketing is many basically creating link between producer and consumer,delivering value based product, branding of company through advertisement. A Marketer will typically take up the following roles, acting between the customer and the organisation; Strategic Partner, Guide, Deliverer, Communicator, Co-ordinator, Negotiator and Customer Voice.
A Marketing role will also assume the following responsibilities;
Understanding the economic and competitive features of a sector
Identifying target markets
Identifying segments within a target market
Identifying most appropriate strategies
Commissioning, understanding and acting upon market research
Understanding competitors and their strategies and likely responses
Developing new products
Auditing customers' brand experience
Establishing environmental scanning for opportunities and threats
Understanding an organisation's strengths and weaknesses
Creating a sustainable competitive advantage
Understanding where a brand needs to be in the future
Creating and delivering marketing plans to get there
Establishing management information systems to identify progress