Meet our leadership team
We are proud of the work we do every day, which ultimately improves the transparency of the democratic process, and contributes to the development of global standards in both legislative and regulatory domains. As one of our core values, teamwork is an essential part of what drives our success. Our leadership team plays an important role in framing this model.
John joined Propylon in 2005 and served as Chief Operations Officer for several years before his appointment as CEO. John has successfully led product and project development to establish Propylon as a global market leader. John holds an honors degree in business information technology from Trinity College Dublin.
John Harrington
CEO
Dan joined Propylon in 2015 as COO bringing over 20 years’ experience in technical, operational, sales, and commercial management. With a track record in successfully establishing, scaling, and internationalizing business, Dan holds an honors business degree from Trinity College Dublin and a masters in computer science from Queens University Belfast.
Dan Murphy
Chief Operations Officer
Sean is co-founder and Head of Innovation at Propylon. With over 30 years' experience in the IT industry, Sean served as an invited expert to the W3C special interest group that created the XML standard in 1996. He is the author of three books on markup languages published by Prentice Hall in the Dr Charles F. Goldfarb series on open information management.
Sean McGrath
Chief Innovation Officer
Jason has worked with Propylon since its incorporation in 1999. He came onboard full-time in 2019 as Chief Financial Officer. Jason is a qualified certified chartered accountant and fellowship member of the ACCA with over 20 years of experience in practice prior to joining Propylon.
Jason Byrne
Chief Financial Officer
Greg joined Propylon in 2013 and served as Head of Technology before his appointment as Chief Technology Officer in 2021. Greg has led the development of major client projects and products across the legislative and regulatory domains, driving the implementation of Propylon’s technology strategy.
Greg Chapple
Chief Technology Officer
Marie-Claire joined Propylon in 2019 as Head of Human Resources. She has over a decade of HR experience, with deep knowledge of talent acquisition best practice, learning and development, and HR project management across multiple industries. Marie-Claire holds an honors English Literature degree from Trinity College Dublin, and a number of qualifications in employment law, employee relations and psychometric assessments.
Marie-Claire Collins
Head of Human Resources
Nici is VP of Customer Success and has led multiple teams in a variety of projects in the organization. Originally joining Propylon as Business Analyst in 2005, Nici has been heavily involved in the successful delivery of multiple projects across both legislative and regulatory domains. She holds a BSc in Computer Science from the University of Limerick and an MBA from UCD Smurfit business school.
Nici Higgins
VP of Customer Success
Hugo is Head of Global Support and has led a variety of project and services teams within Propylon. Joining Propylon in 2015, Hugo previously spent 10 years as a private contractor in project management. Hugo holds a Bachelor of Commerce and a master's in Information Systems Management, both from NUI Galway.
Hugo Molloy
Head of Global Support
Todd leads Propylon’s Professional Services & Government Solutions business. Joining in 2024, Todd brings 25 years of direct experience, specifically in successfully delivering complex software solutions in enterprise systems, computer-vision AI, enterprise mobility, and IoT. Todd holds a bachelor’s degree in management and management information systems, as well as an MBA from Ohio University.
Todd Berner
Senior Vice President, Government Solutions
Justin joined Propylon as the VP of Product in 2025, with responsibility for product strategy and delivery, user experience design, and quality. With a track record leading product teams in diverse industries, Justin spent 10 years working as a software engineer before moving into Product Management, where he now has over 15 years of experience working with government departments, regulated semi-state bodies, and large corporate entities.
Justin Harrison
VP of Product
Join us
We are always on the lookout for innovative individuals to join our team. Browse our openings and apply now.
