About Us

OpenApp is a pioneering software company specialising in Healthcare. We believe that innovation and technology have the power to improve patients lives by intelligently using data and carefully designed systems to enable communication between patients, health care professionals and researchers.


Con Hennessy

Managing Director

Con brings his 30 years of experience delivering IT projects to OpenApp. His key focus is aligning customer needs with sustainable technical solutions. Having built a strong team of professionals around him, Con works to connect health communities together by gathering useful data and producing insightful information.


Sara Viegas

Head of Development

Sara manages our development team of software engineering, quality assurance and UX teams, and the Project Management Office, who ensure successful delivery of OpenApp's bespoke software solutions. Sara brings her experience as a project/program manager and agile practitioner in the delivery of software solutions for various domains, but especially in healthcare.


Pawel Stawarz

System Architect

With 15 years designing and deploying software and database development at OpenApp, Pawel is an expert in dataset/modules for GIS, Irish Census, HIPE, births, mortality, perinatal, histopathology, prescribing, vaccination and endoscopy.


Paul Walsh

Head of IT Operations

Paul manages and maintains OpenApp's IT infrastructure ensuring availability and security of the systems underpinning critical software applications. Whether cloud-based, hosted or at the client site, OpenApp's network, server and system security are overseen by IT Operations team in cooperation with customer and development needs.


Lisa Brunner

Head of Sales and Marketing

As an MBA graduate and Prince2 practitioner with a decade of experience in the health tech industry, Lisa is responsible for marketing and sales activities at OpenApp. She oversees researching new markets and customer needs; marketing communication strategies; implementing sales and client partnerships management.


Keith Ó Muirí

Head of Professional Services

Keith has a strong background in bespoke health software development from collaborating with customers on concept development through programme management to final application delivery.  As an expert in data analytics and geospatial analysis, he leads OpenApp's professional services development.


Peter Hickey

Head of Service Management

With ITIL, Prince2 project management and as a Prince2 agile practioner, Peter manages the OpenApp Service Management Team, which provide turn-key technical support services to our bespoke client solutions. Our service management team includes support engineers & an information security officer.

Patricia McIntyre

HR Director

As a director and board member, Patricia works across our HR and finance functions with responsibility for all OpenApp employees. Patricia brings a broad range of experience from the public sector, retail and healthcare.


Jennifer Magill

HR Manager

With a CIPD Masters in HR Management and a broad range of HR experience including recruitment, employee engagement, HR policy and performance management, Jen is responsible for the operational running of OpenApp's HR function as well as delivering on strategic projects

Bill McIntyre

Finance Director

As finance director Bill responsibilities are to ensure OpenApp is on sound financial ground.


Mel McIntyre


10.10.1956 - 11.06.2017

Witnessing the importance and growth of Open Source as a viable business and software development model, Mel co-founded OpenApp in 2002. For 15 years, he led the company through choppy waters from 3 employees to a company with over 40 employees.

As a keen supporter of Open Source, Mel was Director of OpenForum Europe, a European organisation supporting openness in ICT. Full of vision and innovation, Mel was, first and foremost, a problem solver. He had a unique ability to understand a client’s needs and objectives, transforming those into real solutions.

Mel believed that in healthcare informatics the patient should be placed at the centre of all solutions, platforms and services. He remains our inspiration.


Avoca House,

189-193 Parnell Street.

Dublin 1, Ireland.

D01 H578

OpenApp is now hiring an enthusiastic self-starter to join a growing sales and marketing team in Dublin as a Senior Marketing and Business Development Representative! Details on the role and how to apply can be found here: https://www.openapp.ie/careers/senior-marketing-and-business-development-representative/

OpenApp is now hiring a Sr. Application Developer! Head to our website for more information and instructions to apply. https://www.openapp.ie/careers-at-openapp/frontend-developer-opportunity/

Our CEO, @ConHennessy, will be speaking about the Clinical Patient Management System (CPMS) next week at a the “Digital and Central: Treat rare diseases through digital networking across institutions” symposium. Learn more and register: https://bit.ly/3dfOptg #telemedicine

We have been building open source solutions for 18 years. #TBT to an interview of the late Mel McIntyre who founded OpenApp with the belief that “[open source] will help to remove the economic barriers to scalability and lead to more opportunities.” https://bit.ly/3g9BGup

#TBT to the Open Source & Ireland's Innovation Ecosystem panel discussion. We have been providing open source solutions for the past 20 years, and discuss some of our insights with other Open Source leaders in Ireland here: https://youtu.be/Z9IzNOzSuEc #opensourceireland #innovation

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