Suggestion regarding your question - your ability to close them on offering you a job. The key is to identify their pain points and how you will resolve them. Here's how: Before your interview learn as much about the company as you can and carefully study the job description/posting. What is there about the company that makes you an asset? industry experience?? Then take each point describing the role and note how you can solve their problem and how you successfully achieved the results in previous roles.