William Dickherber is the Founder & Owner of OCCSI, a managed IT and cybersecurity provider based in Wentzville, MO, founded in 1994. Under William's leadership, OCCSI focuses on Managed IT services, Cybersecurity, and IT consulting.
William Dickherber is the Founder & Owner of OCCSI, a managed IT and cybersecurity provider based in Wentzville, MO. OCCSI was established in 1994. Founder/owner/president of OCCSI (Onsite Computer Consulting Services Inc.), Wentzville MO. Navy veteran; family- and veteran-owned firm serving businesses 30+ years (since 1994).
Under William's leadership, OCCSI focuses on Managed IT services, Cybersecurity, IT consulting, and Dental practice IT. Company also operates as Computer Paramedic STL.
OCCSI: MSP Titans of the Industry Finalist (2025)