Chicago-based cybersecurity firm, 5thColumn, is proud to announce that tech industry vet, Mike Donnell, has joined the team as CEO.

Mike has a history of success transforming companies in a wide range of technology services to consumer, small business, and enterprise customers. Over the course of his career, he has commercialized technology and formed strategic partnerships with Nokia, Microsoft, Comcast, Sony Ericsson, and Flextonics, just to name a few. In two separate cases, he was able to turn 10+ year old unprofitable businesses to profitable within 120 days and sustained 50%+ revenue growth in 3 different companies spanning 15 years. Mike is a passionate leader creating high performing teams with a relentless focus on driving customer and employee satisfaction, product quality and shareholder value.


“I am very excited to join 5thColumn at such an exciting time. Cybersecurity has becoming a strategic focus for practically every business, with the majority of them now taking a proactive approach to it.  The 5thColumn mission to deliver the fastest time to detection and remediation with the best ROI for our customers is a winning approach that I am delighted to help bring to scale.”


Mike’s full background can be seen on his LinkedIn.

Cybersecurity firm, 5thColumn, has hired Mike Donnell as CEO.