Our Team

Meet the cybersecurity leaders behind our solutions

Leadership Team

To defend your business, you need the best team in your corner. At Binary Defense, our team is comprised of experienced cybersecurity leaders, including former military and intelligence agency security professionals.

Each with a unique skillset, we’re united around a single mission – to change the security industry for the better and help organizations defend against threats of all kinds.

mike-valentine

Co-Founder & Chief Executive officer

Mike Valentine

As CEO of Binary Defense, Mike Valentine provides the strategic direction and execution of our cornerstone solutions of MDR, SIEM and Counterintelligence, as well as helps to ensure client satisfaction.

dave-kennedy

Co-Founder & Chief technology officer

Dave Kennedy

Our Co-Founder and Chief Technology Officer Dave Kennedy is a world-renowned security expert. Through his work with Binary Defense and our sister company, TrustedSec, he’s transforming the cybersecurity industry.

Meet the Binary Defense Team

David White

Director of Marketing
David White joined Binary Defense in 2019 as Director of Marketing. In this capacity, David leads the multidisciplinary marketing team and determines branding…

Christie Henderson

Director of Human Resources
Christie Henderson is the Director of Human Resources for Binary Defense, joining the organization in 2020. In this capacity she is responsible for supporting company strategic objectives;…

Michele Maffei

Director of Administration
Michele Maffei is the Director of Administration with Binary Defense and has been with the company since 2014. In this capacity, she is responsible for payroll, insurance,…

Randy Pargman

Senior Director of Threat Hunting & Counterintelligence
Randy Pargman is the Senior Director of Threat Hunting and Counterintelligence at Binary Defense. In this role, Randy leads the Threat Hunting team in reverse engineering malware…

Nicole Serapilio

Vice President of Sales
Nicole Lieberman Serapilio is the Vice President of Sales at Binary Defense. She joined in 2017 and is responsible for building a top performing sales organization through…

Jack Jackson

Vice President of Worldwide Channel Sales
Jack Jackson joined Binary Defense at the end of 2019 as the Vice President of Worldwide Channel Sales. In this role, Jack is responsible for the growth…

Mike Hofherr

Chief Operating Officer/Chief Financial Officer
Mike Hofherr is Binary Defense’s Chief Operating Officer/Chief Financial Officer. He has been in the CFO role since 2019 and was named COO in 2020. In this…

Dave DeSimone

Chief Security Officer
Dave DeSimone is Chief Security Officer at Binary Defense, responsible for IT Operations and Security for the organization. He has been with the company since 2015. He has…

Ryan Burnheimer

Vice President of Business Development
Ryan Burnheimer is the Vice President of Business Development and one of the founders of Binary Defense in 2014. He also serves in a similar role at…

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Jack Jackson

Jack Jackson joined Binary Defense at the end of 2019 as the Vice President of Worldwide Channel Sales. In this role, Jack is responsible for the growth and expansion of the Binary Defense partner community, partner programs and global footprint. 

He brings over two decades of experience in the technology industry to his role, including growing channel sales at two prior organizations.

He holds a Bachelor of Arts from Saint Mary’s College and has completed the Harvard School of Business Executive Education Program.