Yanek Korff

Chief Operating Officer

Yanek Korff is a co-founder of Expel as well as the company’s chief operating officer (COO). In addition to paying the bills and counting beans, Yanek makes it easy for employees to stay focused on serving our customers.

Yanek has worked in IT and information security roles for nearly 20 years beginning as a student help desk technician in a musty basement at the College of William and Mary.

Prior to Expel, Yanek was the vice president of Mandiant’s managed services business which helped customers mitigate the consequences of security breaches. Yanek established and  grew the service to become one of the first follow-the-sun managed detection and response (MDR) providers, accounting for over 30 percent of Mandiant’s revenue. Following Mandiant’s acquisition by FireEye, Yanek served as CTO of FireEye as a Service, FireEye’s managed services offering.

Prior to Mandiant, Yanek was responsible for the majority of AOL’s security infrastructure including authentication, authorization management, public key infrastructure (PKI) and systems that supported incident response, e-discovery and investigations.

Yanek has a B.S. in Computer Science from the College of William and Mary, and an M.S. in the Management of IT from the McIntire School of Commerce at the University of Virginia. He was the principal author for “Mastering FreeBSD” and “OpenBSD Security”, published by O’Reilly.


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