Bryan Vest

Gireesh Kumar is a Product Manager at Omnissa, where he leads the development of access management and security solutions. He is deeply passionate about identity and cybersecurity and is focused on building innovative products that enable secure and seamless digital experiences.

Marshall Anne is Director of Product Marketing for Omnissa, focused on Digital Employee Experience and Security. A Georgia Tech alum and Industrial Engineer with 12+ years in the B2B and Enterprise Mobility space, Marshall Anne has held a variety of roles from sales engineering to product management and marketing, and is passionate about seeing Omnissa’s solutions make a difference for our customers. 

Lisa Matragrano is the director of product marketing for UEM at Omnissa.

Kristina De Nike is a Director of Product Management at Omnissa. She manages the team that is responsible for the Horizon Client and Horizon Agent, including the Blast protocol, which supports device forwarding and multimedia offloading. Kristina strives for data-driven decision making and clear user interfaces.

Zack Zimmerman is Vice President of Federal at Omnissa, where he leads strategy and growth across U.S. Civilian, Department of Defense, and Intelligence Community markets. With nearly three decades of experience at the intersection of technology and the Federal government, Zack has a proven track record of building and scaling high-performing teams within some of the most complex and mission-critical environments.

Brian Daly is a senior leader at Omnissa with experience spanning digital workspace strategy, value consulting, alliances, and commercial leadership. He works across customers, partners, and internal teams to simplify complexity, accelerate growth, and translate technology into measurable business outcomes. With a background in end-user computing and modern workspace transformation, Brian focuses on aligning technical innovation with commercial execution—building high-performance teams, strengthening strategic partnerships, and helping organizations realize the full value of secure, scalable digital work environments.