John Matthew Holt
Founder and CTO

John Matthew Holt is founder and chief technology officer of Waratek. John Matthew is the inspiration and technical driving force behind Waratek’s groundbreaking research and development into distributed computing and virtualization technologies. A compiler engineer by training, John Matthew has focused on compiler optimization for most of his career, which ultimately led him to create Waratek in 2009. He now leads a multinational team of expert engineers in Waratek’s Dublin R&D lab.

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 2008, John was instrumental in relocating the company from Australia to Ireland to improve access to international markets.

Chris Rouland
Chief Security Officer

Chris Rouland is a 25-year veteran of the information security industry. Chris has founded several companies focused on providing cyber security to Fortune 500 corporations and government agencies.  Chris’ most recent company, Bastille Networks, is the only company focused exclusively on providing intrusion detection and vulnerability assessment for the Internet of Things (IoT).

Jason Dolan
Engineering Development Manager

Jason is Waratek’s Engineering Development Manager 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.

Turlough Whelan
QA Manager

Turlough is responsible for co-ordinating and managing all Quality Assurance activities. He has extensive experience of QA leadership and Project Management, working in Sun Microsystems for 16 years including a 3 year spell at the company headquarters in Silicon Valley in the high-end server division. Turlough remained with Oracle until 2014 before coming on board with Waratek in June of that year. Turlough has a Bsc in Applied Computing from the University of Ulster in Applied Computing (1994), plus PRINCE Project Management Certification.

Nollaig Heffernan
Director of Pre-Sales Engineering

With over 18 years’ experience in Software Engineering & Delivery, prior to joining Waratek Nollaig worked in the E-commerce, Software Simulation and the Medical Training Systems space. Nollaig is a graduate of the National University of Ireland Maynooth where he received a BSc in Maths and Physics and a Higher Diploma in Applied Physics.

Tony O'Keeffe
Director of Client Services

Tony O’Keeffe is responsible for managing the development and delivery of all Waratek projects ensuring customer satisfaction. Tony brings over 20 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.