eSentire has built a trustworthy reputation by always being there to safeguard its customers’ businesses.
We've simplified security by delivering an award-winning advanced service tailored to your risk profile. Our human expertise and machine learning approach protects high-risk assets from advanced cyber threats that technology alone can miss.
Since launching our managed security service in 2008, we have experienced rapid operational and geographic growth. Our talented and diverse employees work together across our offices worldwide.
A leader in growth and change, Kerry Bailey is an industry veteran with over 28 years experience in the information technology services sector. As CEO of eSentire, Kerry is driving the company's market acceleration and its evolution as the industry's leading Managed Detection and Response (MDR) service provider. His executive experience spans security, managed services, and cloud computing at Fortune 50 and early-stage growth companies. Most recently, Kerry served as SVP, GM of Cloud, and Channel Chief at Hewlett Packard Enterprise (HPE). In these roles, he led the growth of private, public, and hybrid clouds and the worldwide indirect channel. Prior to Hewlett Packard, Kerry held various senior executive roles at Verizon Enterprise including CEO and president of Terremark, a Verizon company, and leader in global managed security services, data center colocation, and cloud. Earlier roles include CEO of Betrusted and Security Assurance Group and various senior executive level positions at Cybertrust and the United States Intelligence Community (IC).
J. Paul Haynes
President and Chief Operating Officer
J.Paul Haynes was drawn to eSentire with a vision to create a disruptive cybersecurity company. He successfully partnered with growth capital firms to invest in and scale eSentire to become the world’s largest pure-play Managed Detection and Response (MDR) provider and market leader. J.Paul is a professional engineer with a 25-year entrepreneurial track record of success. His business acumen, in-depth understanding of technology, and strong leadership have made him a respected and reliable voice on the topic of cybersecurity in North America and Europe.
J. Paul holds both a B.Sc. and M.Sc. in Engineering from the University of Guelph. He is also a proud alumnus serving on the Industrial Advisory Board for the University of Guelph’s School of Engineering and the Board of Innovation Guelph.
Founder and Chief Innovation Officer
Eldon Sprickerhoff is the original pioneer and inventor of what is now referred to as Managed Detection and Response (MDR). In founding eSentire, he responded to the incipient yet rapidly growing demand for a more proactive approach to preventing and investigating information security breaches. Now with over 20 years of tactical experience, Eldon is acknowledged as a subject matter expert in information security analysis.
Eldon holds a Bachelor of Mathematics, Computer Science degree from the University of Waterloo.
Chief Administrative Officer
As Chief Administrative Officer, James Yersh leads the finance functions of the business, as well as human resources, and risk/compliance. Over his 20+ year career, James has transformed financial strategies, revenue growth models, and led more than 30 merger and acquisition deals for leading technology and telecommunications companies, including BlackBerry and Cognos Incorporated. While serving as Chief Financial Officer at BlackBerry, James successfully guided the company through a strategic transformation from a hardware to a software company and created the financial models and structures to enable the pivot.
James graduated Magna Cum Laude with a Bachelor of Commerce (Honors Accounting) from the University of Ottawa. He also holds several certifications including Chartered Accountant (ICAO), Certified Information Systems Auditor (ISACA), and Certified Information Systems Security Professional (ISC2).
Dustin Rigg Hillard
Chief Technology Officer
Dustin Rigg Hillard is responsible for leading product development and technology innovation at eSentire. His vision is rooted in simplifying and accelerating the adoption of machine learning for new use cases.
Prior to eSentire’s acquisition of Versive, he was CTO at Versive, where he focused on automating security expertise and understanding normal network behavior through machine learning. Dustin was also an early data scientist for Microsoft’s Cortana and worked in ad-revenue and relevance at Yahoo! He has deep ML experience in speech recognition, translation, natural language processing, and advertising, and has published over 30 papers in these areas.
Dustin holds a Bachelor of Science, Master of Science, and Ph.D. in Electrical Engineering from the University of Washington.
Ashley E. Fidler
Chief Product Officer
Ashley Fidler is responsible for ensuring all the product pieces come together into great experiences for our customers. At eSentire, that means bringing together a cross-disciplinary team of product managers, designers, and writers to deliver cutting-edge enterprise products.
Prior to eSentire’s acquisition of Versive, Ashley led the product organization at Versive and was focused on automating security expertise and understanding normal network behavior through machine learning. She previously also focused on natural language processing, with roles in both data science and product at Microsoft. She worked on language understanding systems, as well as on the underlying machine learning infrastructure for natural language, for Xbox and Cortana.
Ashley holds a Master of Science and Ph.D. from Georgetown University, as well as a Master of Science from the University of Edinburgh and a Bachelor of Arts from the University of Colorado.
Chief Strategy and Marketing Officer
As Chief Strategy and Marketing Officer at eSentire, Chris Gesell drives the company's business, brand, and go-to-market strategies. Chris is a results-focused executive who brings more than 20 years of global leadership experience in IT services, including consulting, cloud, security, data center, and managed services. His experience in corporate strategy and executing mergers and acquisitions, along with setting the company's direction, will be critical to the next phase of eSentire’s growth.
Chris has a passion for IT transformation, distilling complex business challenges into innovative product strategies, and sales enablement. Most recently Chris served as VP of Worldwide Partner Strategy at Hewlett Packard Enterprise (HPE) and CMO at Terremark, a Verizon company.
Executive Vice President, Global Sales
As the Executive Vice President of Global Sales at eSentire, Brett leads the company's global sales strategy, execution, and growth. With more than 25 years experience in sales leadership and customer-facing roles, Brett has a successful record leading high-performing global sales organizations, building trusted client relationships, and delivering consistent growth. An accomplished sales leader, he delivers a sales process that provides clients with the information and support they need to make the right decisions for their organizations and its constituents.
Brett has served in executive-level roles at Cybertrust, Verizon Enterprise Services, Focal Point Data Risk, and Digex.