Leadership

Leadership Team

David Miles
Co-Founder and Chief Executive Officer
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David Miles
Co-Founder and Chief Executive Officer

David Miles is a Co-Founder and the CEO of Grayshift, where he oversees day-to-day activities and is responsible for managing the overall vision and strategy of the company. He has nearly 20 years of experience in cyber security. Prior to Grayshift, David was also a Co-Founder and VP of R&D at Endgame which initially built cyber security capabilities for the government sector. Endgame later launched a commercial endpoint security platform pioneering active defense and “hunt” capabilities to discover threats and adversaries on the network. Endgame was acquired by Elastic (ESTC) in 2019 for $234 million. In addition, David has held technical and business development leadership roles at Optiv (formerly Accuvant) and Internet Security Systems (acquired by IBM in 2006).

Braden Thomas
Co-Founder and Chief Product Officer
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Braden Thomas
Co-Founder and Chief Product Officer

As Co-Founder and CPO, Braden is responsible for the company’s complete product lifecycle from strategy and development through launch and continued innovation. He works with customers, partners, the advanced research team, and product development teams to bring even better experiences and value to customers more quickly. Braden has 14 years of experience working in the information security field as an engineer and researcher at Apple, Accuvant, and Optiv. Prior to Grayshift, Braden was a Principal Research Scientist as Optiv, where he consulted with companies to improve the security of their embedded device products. A recognized expert in vulnerability research, Braden has spoken at several conferences on topics of on applied cryptography and embedded device security. Braden holds a BS and MS in Computer Science from University of Southern California.

Justin Fisher
Co-Founder and Chief Technology Officer
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Justin Fisher
Co-Founder and Chief Technology Officer

Justin has spent more than 15 years working in the information security and vulnerability research industry, both as a leader and an individual contributor. As CTO Justin guides the overall technology direction of Grayshift products and solutions, helps to oversee Engineering for the Cloud, Embedded and Hardware Engineering teams and serves as an individual contributor on the Engineering teams. Prior to Grayshift, Justin directed security research at Optiv where he focused on leading-edge capabilities and managed customer contracts. Additionally, Justin worked as an information security researcher at Endgame, Vulnerability Research Labs, Applied Security and SPI Dynamics. Justin holds a BS in Computer Science from the Georgia Institute of Technology.

Sean Larsson
Co-Founder and Chief Research Officer
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Sean Larsson
Co-Founder and Chief Research Officer

As Chief Research Officer, Sean Larsson leads Grayshift’s Research organization. Sean is one of the four co-founders of Grayshift and has more than 15 years of experience finding vulnerabilities and writing exploits. Sean got his start in the Labs at VeriSign iDefense, where he helped run the Vulnerability Contributor Program there. He then transitioned to a role developing offensive capabilities at Accuvant Labs. Sean has a passion for reverse engineering, crafting weird machines, and creating top notch vulnerability research organizations.

Mark Snell
Chief Financial Officer
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Mark Snell
Chief Financial Officer

As Chief Financial Officer, Mark leads Grayshift’s Accounting, Finance, People Ops, IT, and Business Operations teams. Prior to Grayshift, Mark served as CFO of venture-backed Endgame from startup phase through the 2019 acquisition of the company by Elastic. He brings more than twenty years of experience building and managing finance teams at both venture/PE-backed and publicly traded technology companies. Earlier in his career, Mark held financial leadership roles over nearly a decade with Internet Security Systems through the acquisition of the company by IBM. Mark holds a BA from the University of Virginia, an MBA from Georgia State University and is licensed as a CPA in the State of Georgia.

David Scruggs
VP Sales
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David Scruggs
VP Sales

David brings more than 20 years of experience leading sales at high-growth software companies. He joins Grayshift from Cisco, where he served as Senior Director, Workload and Analytics and played key roles in the successful integration of Cisco security acquisitions. Prior to that, he served as Worldwide Vice President of Sales at Lancope Inc., a leading Network Security company, whose Stealthwatch solution protects the world’s largest networks and played a key role in scaling the business to acquisition.

Previously, David held multiple sales leadership roles over a decade with Lancope, and sales roles with IBM and Internet Security Systems. David holds a bachelor’s degree in Business Management from Georgia State University.

Rick Hensley
VP Customer Success
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Rick Hensley
VP Customer Success

Rick is the Vice President of Customer Success for Grayshift and has almost 20-years commercial experience along with 12-years of experience with the Department of Defense (DoD) and the United States Intelligence Community. Rick joins Grayshift from Elastic, where he worked to integrate all services and support in the company’s acquisition of Endgame. Previously, Rick led all post-sale services, training, and support for Endgame.

Rick has an extensive military and civilian background, having led a US Air Force capability development effort to support offensive and defensive cyber operations (OCO/DCO) and served as a Navy Reserve Cryptologic Officer, where he helped establish one of the first cyber threat operations centers for a major DoD organization’s extended enterprise. Prior to his time as an Air Force civilian, Rick was a Naval Supply Corps Officer onboard the USS VINCENNES (CG-49) and a lead instructor at the Navy Supply Corps School. During this time, Rick also served as adjunct faculty at the University of Texas – San Antonio, teaching principles of cyber security.

Rick earned his BS in Commerce from the University of Virginia and his MS in Information Security from the University of North Carolina – Charlotte. He has also received numerous Joint and DoD military and civilian service medals.

Jody Ma Kissling
VP Marketing
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Jody Ma Kissling
VP Marketing

Jody Ma Kissling brings more than 20 years of marketing expertise, spanning brand strategy, communications, product marketing, and demand generation, within high-growth technology companies. She joins Grayshift from Cisco, where she led Global Events, Global Account Based Marketing and Customer Advocacy teams for the Cisco security portfolio. Previously, Jody was the VP of Marketing for Lancope, which was acquired by Cisco in December 2015. During her tenure with Lancope, she was responsible for the integrated marketing strategy, driving the company’s accelerated market demand and double-digit sales growth. Jody holds an MBA from the Georgia State University and a BA from Wake Forest University.

Kerry Armistead
VP Product Management
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Kerry Armistead
VP Product Management

Kerry Armistead brings more than 20 years of experience delivering high-value products in the information technology and cybersecurity markets. He joins Grayshift from Cisco, where he served as Director of Product Management for Security Analytics. Before joining Cisco, he served as Vice President of Product Management at Lancope Inc., a leading Network Security company, whose Stealthwatch solution protects the world’s largest networks. He played a key role in scaling the business to acquisition. Previously, Kerry held product management roles at McKesson, IBM, and Internet Security Systems. Armistead holds a B.S. in Marketing from Clemson University.

Robert Palazzo
VP Engineering
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Robert Palazzo
VP Engineering

With over 20 years of experience in network security, Robert leads Grayshift’s hardware and software engineering teams. He joined Grayshift from Cisco via its Lancope acquisition, where he created and led an integrations team across Cisco’s portfolio of security offerings. Prior to Lancope, he managed the development of multiple security products from IBM and Internet Security Systems (ISS). Robert received Cisco’s most prestigious Engineering honor, the Pioneer Award, for his leadership in Encrypted Traffic Analytics and was named to the President’s Club three times during his tenure at Lancope and ISS. He holds a patent for the analysis of security events and earned Bachelor of Science and Master of Science degrees in Electrical Engineering from Clemson University.