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Meet Our Team
Scylla named Kris Greiner its Vice President of Global Sales, drawing on more than 25 years in the security industry and sustained work in AI based weapon detection. Scylla is an independent Community of Experts partner and publishes its own performance results at scylla.ai. ASPP™ was founded by Chris Grollnek, an active shooter expert whose P.R.O. Model™ the Department of Justice selected as “A” national standard and which is in use at some installations and commands across the Department of Defense.

Kris Greiner
Active Shooter Prevention
Kris Greiner is the Vice President of Global Sales at Scylla, a company specializing in AI-powered video threat detection solutions. With over 25 years of experience in the security industry, he has expertise in intelligent security solutions and AI-based weapon detection.
Kris’ Executive Bio and Experience
At Scylla, Greiner oversees global sales operations, contributing to the company’s mission of enhancing safety through advanced AI technologies. He has been instrumental in promoting Scylla’s solutions across various sectors, including education, healthcare, and corporate security. His efforts include participating in webinars and industry events to discuss the role of AI in proactive threat detection and response strategies.
Prior to joining Scylla, Greiner held leadership positions at companies such as Solbreez, Xerox, and PSI VendPrint, focusing on security integration and solutions.
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Scylla AI
Proactive Security Solutions Through Advanced AI Technology
Scylla AI is a provider of AI-powered physical threat detection solutions, specializing in real-time video analytics to enhance security across various sectors. Founded in 2018 and headquartered in Austin, Texas, Scylla’s technology integrates seamlessly with existing surveillance systems, offering capabilities such as weapon detection, perimeter intrusion alerts, aggressive behavior recognition, and false alarm filtering. Their solutions are designed to proactively identify and respond to potential threats, thereby improving safety and operational efficiency for clients worldwide.
U.S. Secret Service – National Threat Assessment Center Reports Recent Mass Shootings Occurred in Places We Visit Everyday.
51%
Mass Shootings Happened in Businesses
35%
Mass Shootings Happened in Open Spaces
14%
Mass Shootings Happened in Schools, Universities, Places of Worship.
Voices of Trust and Security



