The OnePosting management team is the most experienced in the industry.

It is made up of professionals who have brought vision and commitment to digital invoicing, through innovation and by working collaboratively with clients and partners.



Chief Executive Officer


As Chief Executive Officer of OnePosting North America, Mark oversees the sales operations for OnePosting’s North American clients. Based in Toronto, Mark understands the importance of listening to clients and learning the specific challenges they face.  

With over 20 years experience in this sector, Mark adds value to our leadership team through his deep understanding of the invoicing market. 

Mark holds an MBA and is a business graduate from Trinity College Dublin.

 +1 647 438 8962


Sales & Product Director


As Sales and Product Director of OnePosting, Finbarr is responsible for implementing client strategies that create long-term partnerships. 

With a background that spans both technology and business, Finbarr oversees the sales operations for EMEA and is responsible for establishing and delivering the technologies, tools and processes to simplify and speed up the invoicing process for clients. 

Finbarr is a Business Studies graduate from Dublin City University.
 +353 1 514 3585


Chief Information Officer


In his role of Chief Information Officer, Brian is responsible for defining, communicating and executing OnePosting’s technology strategy. He oversees all aspects of OnePosting’s technology environment, from client-facing applications to the people, processes and infrastructure supporting OnePosting’s day to day business operations, ensuring the highest level of enterprise security and employee privacy are maintained. 

With over 25 years in the sector, Brian’s experience spans IT management, operations, risk, process, data, and governance. 

Brian is a graduate from Trinity College Dublin.

+353 1 514 3585


IT Infrastructure Manager


Darren is responsible for implementing OnePosting’s technology strategy, which underpins the firm’s business vision. He is highly experienced, working in both large and enterprise companies over the past 30 years.  

Darren’s main responsibilities are networking, security, virtualization, production infrastructure, and system reliability.

Darren is an MCSA & CCNA certified network engineer.

 +353 1 514 3585



Client Management
North America


Rebecca is responsible for building client relationships in North America and learning about their invoicing goals. She is excited to be part of a solution for tedious AP and AR tasks such as data entry, large volume paper filing and time-consuming follow-up.

Her role includes building and coordinating the implementation of new business processes and strategies across North America to grow the organization effectively. Her interests lie in business strategy, optimization, and customer relationship development.

Rebecca received a Bachelor of Arts degree and Accounting Diploma from Wilfred Laurier University.

 +1 647 438 8962


Client Management


Padraig is passionate about making sure OnePosting’s brand and vision are developed and executed in a way that best serves our clients. With more than 20 years in the industry, Padraig is a product leader who has married a strong technical background with a wealth of customer management experience. 

Padraig oversees system integration projects during product rollout and collaborates between customer and company while managing the product roadmap in the live environment. 

Padraig is a qualified engineer from Letterkenny Institute of Technology.

  +353 1 514 3585


Non- Executive Director


Greg founded the global digital invoicing provider, OnePosting in 1995. His vision was to create a company that provides a suite of invoicing services to improve the efficiency of accounts payable and accounts receivable. 

As one of the most experienced market professionals in the industry, he is focused on continuously developing client experience by offering the best technology, backed by the best team. He has been a key architect of both the business strategy of OnePosting and the underlying technology.

Greg is a qualified engineer and has worked in the digital invoicing sector for 25 years. 

 +353 1 514 3585


Non- Executive Director


Maura is a highly experienced venture capital professional, fund manager, and board director. Her corporate experience spans med-tech, telecoms, and financial services

  +353 1 514 3585