Envysion Inc., a provider of Web-based video surveillance services, reported Monday that it has hired Bruce Dawson to fill the newly created role of senior vice president of sales and marketing. Envysion said Dawson will be responsible for managing its direct and indirect sales teams and for developing and deploying its long-term marketing goals. Prior to joining Envysion, Dawson was senior vice president of global accounts for Teletech Holdings. He also served as vice president of sales for Stream International and senior vice president of worldwide sales at Walker Interactive. Founded in 2004, Envysion is headquartered in Louisville, Colo.