Management Team

  • Douglas Ennis

    Chief Executive Officer

    Douglas Ennis

    Chief Executive Officer

    Doug has over 20 years experience ranging from internal IT, consulting and sales. He has developed a deep understanding and appreciation of Cybersecurity and the Networking landscape. Doug has held Sales Leadership Roles in companies focused on Data Privacy, Network Security, Application Performance Management and Mobile Device Security & Management. He received his Master’s of Science, Information Technology and Security from Capella University and his Bachelor’s in Computer Science from John Carroll University.

  • John Matthew Holt

    Founder

    John Matthew Holt

    Founder

    John Matthew Holt co-founded Waratek to solve the most important challenge faced by production workloads around the world: real-time application security compliance. Under John Matthew’s leadership, Waratek built a range of award-winning autonomous agents that seamlessly attach to any application stack, securing vulnerable workloads from the inside-out with no source-code changes and no administrative tuning. John Matthew helps to steer Waratek’s continued growth and development of its award-winning application security solutions.

  • Padraic Gaffney

    Chief Financial Officer

    Padraic Gaffney

    Chief Financial Officer

    Padraic brings 20 years’ experience in the areas of finance, accounting and strategic planning at start-ups as well as rapidly growing SME’s. As Chief Financial Officer at Waratek, Padraic is responsible for finance, legal and corporate secretarial. In the past Padraic has held senior leadership roles and has successfully led finance projects which were both strategic and transformative in nature. Padraic has a BSc in Applied Science from TU Dublin and is a Fellow of the Association of Chartered Certified Accountants (FCCA).

  • Dr John Holt

    Founder and COO

    Dr John Holt

    Founder and COO

    John co-founded Waratek with his son, John Mathew, to commercialize his son’s research into Java virtualization. In 2009, John was instrumental in relocating the company from Australia to Ireland to improve access to international markets.

  • Jacob Warren

    Director of Marketing

    Jacob Warren

    Director of Marketing

    Jacob is an experienced and talented Marketing Operations and Technology leader with a focus on developing high-performing strategies and teams through empowerment, data-driven analysis, and alignment across sales, product, and engineering.

  • Jason Dolan

    Director of Engineering

    Jason Dolan

    Director of Engineering

    Jason is Waratek’s Director of Engineering where he oversees the Waratek development process ensuring engineering departments work cohesively together for focus, efficiency and scalability. Jason evaluates, designs and implements new processes across engineering to achieve on-time releases, sustained quality and shortest time-to-market for new innovations.

  • Lawrence Sales

    Director of Pre-Sales Engineering

    Lawrence Sales

    Director of Pre-Sales Engineering

    During a hugely successful career, I have held different positions that include director of SE, project manager, senior sales engineer and IT consultant.   My main areas of expertise include combining entrepreneurial drive with business-management skills to drive gains in revenue, marketing share and profit performance, turning around lagging operations and preparing the company for fast growth and profitability, and I have a good grasp of both written and spoken English.   Working extensively at Senior level, I have been instrumental in influencing decision making and in identifying valuable emerging markets, overseeing and managing a large team of Sales Managers, typically spanning a wide geographical area, serving as a business representative at major industry events, conferences, trade shows, and expositions, seeking out major clients and forming working relationships with the premier buyers in your industry and forming sales strategies to keep your company competitive and innovative.

  • Tony O'Keeffe

    Director of Customer Success

    Tony O'Keeffe

    Director of Customer Success

    Tony O’Keeffe is responsible for leading the Customer Success Department for Waratek, ensuring customer satisfaction. Tony brings over 30 years industry experience in software design, development, team leadership and project management in organisations such as Aldiscon, Trintech, O2 and Realex Payments. Tony has a BSc in Applied Computing, a Postgraduate Diploma in Cloud Computing, an MBA from UCD Smurfit School and is a Certified ScrumMaster.

  • Chris Tognini, CMath MIMA

    QA Manager

    Chris Tognini, CMath MIMA

    QA Manager

    Chris leads the Quality Assurance (QA) team in Waratek. With a strong focus on automation, the team is responsible for ensuring the quality of releases across Waratek's product suite. Chris is a Chartered Mathematician whose career to date has spanned various technical roles across multiple industries. After gaining an Honours degree in Mathematics from the University of Strathclyde, Chris graduated with a Master's degree in Mathematics from the University of Cambridge.