/ The people who turn up
Meet the team

Pat O’Connor
Founder and CEO

Audrey O’Connor
Financial Controller
I have worked for the Company since 1991, overseeing financial management, budgeting & reporting.

Jerry O’Mahony
Sales & Customer Support
I have been working at ADA since 2002. I am currently focused on business development for the Safe Clip and HomesafeCare products.

John Deely
Sales Manager
I have been sales manager at ADA since 1997. My focus is on bigger scale projects with a tech requirement.

Mark Rowan
Senior Installation Engineer
I have been a Senior Installation Engineer for over 20 years working on a wide range of projects including IP, Access Control, RFID and Multitone paging.

Fergus Claffey
Senior Sales Executive
Working as a Sales Professional with 25 years’ experience providing customised technical communications solutions across Healthcare, Construction and Retail Sectors.

Peter Plant
Chief Systems Officer
I am responsible for the SmartRFiD Product Range, with over 10 years experience working for ADA, designed, project managed, and supervised deployment of RFID Systems across the Healthcare, Pharmaceutical and Industrial Sectors.

Rohan Kore
Chief Technical Officer
I am responsible for the design, development and deployment of the SmartRFiD Product Range, with over 10 years’ experience working for ADA, I also have a First Class Masters Degree in Cloud Computing.

Denise O’Callaghan
Office Manager
I have been with ADA since 2000 and I am responsible for administration, health and safety and ensure the smooth running of the office.

Trudi Bailey
Stores Manager
I joined ADA Technologies in 2026. I am responsible for purchasing and stock level management. I also oversee taking technical calls & organising Service Calls.

PJ Murphy
Senior Installation Engineer
I have been a senior installation engineer with ADA Security since May 1998. I work on a wide range of projects including IP, access control and large RFID projects.

Joseph Allen
Installation / Service Engineer
I have worked with ADA since 2006. I cover the greater Munster area installing and servicing security systems.

Darragh Twomey
Installation Engineer
I joined the ADA Team in 2024. I hold two degrees from Munster Technological University, Cork, with qualifications in both Mechanical and Manufacturing Engineering. I specialise in the Healthcare and RFID Sectors.

Matt Mueller
Installation Engineer
I have been working with ADA since 1999 as an Installation Engineer. My focus is on intruder alarms, CCTV and access control systems.
/ One team
From the first site survey to the 3am phone call, you deal with the same company.
No subcontracted installers, no outsourced help desk. The engineers who fit a system are the ones who maintain it, and the office that quoted it is the one that answers.
How our support worksA person who has done it before, not a sales script.
