What is the meaning of SDR in Designation / Rank, Sales category?

Sales Development Representative is a corporate designation that refers to people in sales and marketing teams. Primary tasks and responsibilities associated with the role are: reaching out to prospect clients (via cold calling, email campaigns, personal and social connects, etc.), following up on inbound leads, keeping existing clients engaged and seeking more work or contracts from them.

People at the role may need to travel often to meet and engage with existing or prospect clients.