Declan Costello
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Declan Costello Email & Phone Number

CTO at Information Mosaic
Location: Greater Dublin, Ireland 1 work role
2 work emails found @informationmosaic.com 4 phones found area 646 and 531 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 86%

Contact Signals · 2 work emails · 4 phones

Work email d****@informationmosaic.com
Direct phone (646) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Information Mosaic
Role
CTO
Location
Greater Dublin, Ireland
Company size
56 employees

Who is Declan Costello? Overview

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Quick answer

Declan Costello is listed as CTO at Information Mosaic, a with 56 employees, based in Greater Dublin, Ireland. AeroLeads shows a work email signal at informationmosaic.com, phone signal with area code 646, 531, and a matched LinkedIn profile for Declan Costello.

Company email context

Email format at Information Mosaic

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{first_initial}{last}@informationmosaic.com
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AeroLeads found 2 current-domain work email signals for Declan Costello. Compare company email patterns before reaching out.

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Profile bio

About Declan Costello

Declan Costello is a CTO at Information Mosaic. He possess expertise in information security, security, infrastructure, operations.

Listed skills include Information Security, Security, Infrastructure, and Operations.

Current workplace

Declan Costello's current company

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

Information Mosaic
Information Mosaic
CTO
dublin, dublin, ireland
Website
informationmosaic.com
Employees
56
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Company profile
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1 role

Declan Costello work experience

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Team & coworkers

Colleagues at Information Mosaic

Other employees you can reach at informationmosaic.com. View company contacts for 56 employees →

RH Rowan Hamilton Rowan Hamilton Colleague at Information MosaicIreland View → AM Adam Mohamed Adam Mohamed Colleague at Information MosaicEgypt View → BM Bernard Mccluskey Bernard Mccluskey Colleague at Information MosaicIreland View → JC John Costello John Costello Colleague at Information MosaicIreland View → PJ Pankaj Jain Pankaj Jain Colleague at Information MosaicDelhi, India View → KN Kumar Nitesh Kumar Nitesh Colleague at Information MosaicGurgaon, Haryana, India View → AS Arvind Srivastava Arvind Srivastava Colleague at Information MosaicGurgaon, Haryana, India View → VV Vikash Verma Vikash Verma Colleague at Information MosaicGurgaon, Haryana, India View → EM Elaine Mullan Elaine Mullan Colleague at Information MosaicLondon, England, United Kingdom View → AY Ashwani Yadav Ashwani Yadav Colleague at Information MosaicGurgaon, Haryana, India View →
FAQ

Frequently asked questions about Declan Costello

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

What company does Declan Costello work for?

Declan Costello works for Information Mosaic.

What is Declan Costello's role at Information Mosaic?

Declan Costello is listed as CTO at Information Mosaic.

What is Declan Costello's email address?

AeroLeads has found 2 work email signals at @informationmosaic.com for Declan Costello at Information Mosaic.

What is Declan Costello's phone number?

AeroLeads has found 4 phone signal(s) with area code 646, 531 for Declan Costello at Information Mosaic.

Where is Declan Costello based?

Declan Costello is based in Greater Dublin, Ireland while working with Information Mosaic.

What companies has Declan Costello worked for?

Declan Costello has worked for Information Mosaic.

Who are Declan Costello's colleagues at Information Mosaic?

Declan Costello's colleagues at Information Mosaic include Rowan Hamilton, Adam Mohamed, Bernard Mccluskey, John Costello, and Pankaj Jain.

How can I contact Declan Costello?

You can use AeroLeads to view verified contact signals for Declan Costello at Information Mosaic, including work email, phone, and LinkedIn data when available.

What skills is Declan Costello known for?

Declan Costello is listed with skills including Information Security, Security, Infrastructure, and Operations.

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