Austin-based ProspX, a developer of software-as-a-service for sales collaboration and automation for the commercial insurance industry, said today that it has hired on Darin S. Vick as the firm's Vice President of National Accounts. ProspX said that Vick has more than 20 years of experience in the commercial insurance and technology area. He has served as President and CEO of USI Northwest and as Director of Business Development for Succeed Management Solutions.