Core team
Four people, one operating standard.
The core team accountable for how every property is scoped, staffed, and protected — from the founding idea to daily operations.
The people behind the record.
911 Sentinel is run by four people who own the outcome of every site plan. Meet the core team.
Co-founder
Constantine Korovkin
Constantine brings extensive experience in real-estate ownership, technology, and entrepreneurship. That property-ownership background shapes how sites are scoped, staffed, and protected.
Co-founder
Michael Korovkin
Michael's expertise spans AI, hardware technology, entrepreneurship, and marketing. He leads the in-house infrared and motion AI direction and the company's go-to-market work.
VP of Sales
Doug Skeem
Doug brings aviation experience, FAA certification as a professional pilot, and a background in private security. He works directly with property owners to shape coverage that fits each site.
VP of Operations
Yurii Vyshniak
Yurii has extensive experience in business operations and sales, and deep knowledge of real-estate security operations. He runs the day-to-day operations behind every site plan.
No obligation · free property walk
Request a site assessment.
A Sentinel operations lead walks your property and returns a written coverage plan — sweep cadence, responder posts, and firm pricing — within two business days.