To thrive as a Sales Development Representative Intern, you need strong communication skills, resilience, and a basic understanding of sales principles, often supported by a relevant degree or coursework. Familiarity with customer relationship management (CRM) systems like Salesforce and proficiency in email and sales automation tools are typically required. Initiative, coachability, and the ability to work collaboratively are standout soft skills in this position. These abilities help interns efficiently generate and qualify leads, adapt to feedback, and succeed in a fast-paced sales environment.