Dave Merkel
Chief Executive Officer and Co-Founder



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Dave Merkel is the Chief Executive Officer and Co-Founder of Expel. Expel is a SOC-as-a-service platform that provides security monitoring and response for cloud, hybrid, and on-premises environments. Merkel has nearly 23 years in the cybersecurity industry. He began his career in 1998.

Before joining Expel, Merkel was a chief technology officer at FireEye and before that a chief technology officer at Mandiant. Earlier in his career he worked with America Online, Inc. as a senior project manager of operations security.

Merkel graduated from the University of Colorado at Boulder with an undergraduate degree in computer science.



  1. Dave Merkel, co-founder and chief executive officer of Expel, is head of the Herndon, Virginia-based managed detection and response (MDR) company. In 2019, Expel landed $40 million in financing; in the spring of 2020, another $50 million. Merkel, referred to as “Merk,” promotes the idea that if Expel takes care of its people, its people will take care of its customers — and that mantra is evident throughout the company culture. Expel was named as a “best place to work” by FORTUNE two years in a row, and received other accolades for its culture from local organizations and publications such as Washington Post and Washington Business Journal.

    Mid-Level Professional, submitted on

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