Optiva Inc. announced the appointment of Matthew Halligan as Chief Technology Officer. Halligan has a proven track record in leading successful engineering teams, and he has served as an industry thought leader on newly emerging technologies and their impact on the future of 5G mobility. Previously as CTO of Openwave Mobility, he led a world-class engineering team that developed and launched multiple award-winning, innovative products for many Tier 1 mobile operators worldwide, which helped transform Openwave Mobility into an industry category leader. Halligan brings to Optiva 28 years of knowledge and experience in developing and delivering highly scalable and reliable quality software products across bare metal, private cloud and public cloud environments.