Be the best at what you do and be prepared for several interviews with incredibly intelligent people.
Answered - Business Development Manager (Former Employee) - Glendale, AZ
Know the product line and competition
Answered - Inside Software Sales Account Manager (Former Employee) - Centennial, CO
Bone up thoroughly on the company, its lines of business, financials, and the competitive landscape. Be prepared to present your case efficiently. Know your stuff!
Answered - Marketing Director (Former Employee) - San Francisco, CA