Mimecast Limited announced the appointment of David Helfer as Chief Revenue Officer (CRO), effective immediately. Helfer is an accomplished go-to-market executive with extensive global leadership experience in highly complex infrastructure and security organizations. He also has deep experience building revenue through the channel and will bring a channel-integrated approach to the Mimecast sales organization.

As CRO, Helfer will lead Mimecast's global sales organization and help drive its short- and long-term revenue goals. Helfer's successful background includes time as a vice president at Lookout Inc. and as a senior vice president at F5 Inc. leading worldwide channels and EMEA sales. Most recently, he served as vice president of enterprise sales, Americas at GitLab Inc. In this role, Helfer was responsible for the enterprise segment of the business.