AeroLeads people directory · profile

David O'Reilly Email & Phone Number

Lead System Platform Architect at Mastercard

Location: Dublin, County Dublin, Ireland 1 work role

1 work email found @owenroe.com 2 phones found area 503 LinkedIn matched

✓ Verified May 2026 4 data sources Profile completeness 86%

Current company

Mastercard

Role

Lead System Platform Architect

Location

Dublin, County Dublin, Ireland

Company size

42669 employees

Who is David O'Reilly? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

David O'Reilly is listed as Lead System Platform Architect at Mastercard, a company with 42669 employees, based in Dublin, County Dublin, Ireland. AeroLeads shows a work email signal at owenroe.com, phone signal with area code 503, and a matched LinkedIn profile for David O'Reilly.

Company email context

Email format at Mastercard

This section adds company-level context without repeating David O'Reilly's masked contact details.

{first}@owenroe.com

86% confidence

AeroLeads found 1 current-domain work email signal for David O'Reilly. Compare company email patterns before reaching out.

View email format View company profile Management contacts

Profile bio

About David O'Reilly

David O'Reilly is a Lead System Platform Architect at Mastercard. He possess expertise in social media, linux, c, computer hardware, windows and 27 more skills. He is proficient in English.

Listed skills include Social Media, Linux, C, Computer Hardware, and 28 others.

Current workplace

David O'Reilly's current company

Company context helps verify the profile and gives searchers a useful next step.

Mastercard

Lead System Platform Architect

Dublin, IE

Website

mastercard.com

Employees

42669

AeroLeads page

Company profile

View company profile Email format

1 role

David O'Reilly work experience

A career timeline built from the work history available for this profile.

Lead System Platform Architect

Mastercard

Dublin, Ie

Team & coworkers

Colleagues at Mastercard

Other employees you can reach at mastercard.com. View company contacts for 42669 employees →

Steen Bo Hansen Colleague at Mastercard Copenhagen, Capital Region Of Denmark, Denmark, Denmark View → RS

Rahul Srivastava Colleague at Mastercard Pune, Maharashtra, India, India View → OR

Oscar Romo Colleague at Mastercard Miami, Florida, United States, United States View → AR

Alexandru Runcan Colleague at Mastercard Harghita, Romania, Romania View → OS

Olga Semenova 🇺🇦 Colleague at Mastercard New York, New York, United States, United States View → MY

Mayur Yedke Colleague at Mastercard Pune, Maharashtra, India, India View → AM

Aseem Makhija Colleague at Mastercard Pune, Maharashtra, India, India View → MC

Mahesh Chavan Colleague at Mastercard India, India View → EB

Elias Bartolo Colleague at Mastercard Gadsden, Alabama, United States, United States View → CL

Chirag Lakhani Colleague at Mastercard Ahmedabad, Gujarat, India, India View →

FAQ

Frequently asked questions about David O'Reilly

Quick answers generated from the profile data available on this page.

What company does David O'Reilly work for?

David O'Reilly works for Mastercard.

What is David O'Reilly's role at Mastercard?

David O'Reilly is listed as Lead System Platform Architect at Mastercard.

What is David O'Reilly's email address?

AeroLeads has found 1 work email signal at @owenroe.com for David O'Reilly at Mastercard.

What is David O'Reilly's phone number?

AeroLeads has found 2 phone signal(s) with area code 503 for David O'Reilly at Mastercard.

Where is David O'Reilly based?

David O'Reilly is based in Dublin, County Dublin, Ireland while working with Mastercard.

What companies has David O'Reilly worked for?

David O'Reilly has worked for Mastercard.

Who are David O'Reilly's colleagues at Mastercard?

David O'Reilly's colleagues at Mastercard include Steen Bo Hansen, Rahul Srivastava, Oscar Romo, Alexandru Runcan, and Olga Semenova 🇺🇦.

How can I contact David O'Reilly?

You can use AeroLeads to view verified contact signals for David O'Reilly at Mastercard, including work email, phone, and LinkedIn data when available.

What skills is David O'Reilly known for?

David O'Reilly is listed with skills including Social Media, Linux, C, Computer Hardware, Windows, Software Installation, Operating Systems, and Networking.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.

People with similar names

Check these profiles if this is not the David O'Reilly you were looking for.

View similar profiles

Security Check