John O'Callaghan
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John O'Callaghan Email & Phone Number

Global Head of Procurement | Senior Procurement Leader at CoCo Global Ltd
Location: Kings Langley, England, United Kingdom 7 work roles 2 schools
1 work email found @computacenter.com 1 phone found area 441 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 1 phone

Work email j****@computacenter.com
Direct phone (441) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Global Head of Procurement | Senior Procurement Leader
Location
Kings Langley, England, United Kingdom

Who is John O'Callaghan? Overview

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Quick answer

John O'Callaghan is listed as Global Head of Procurement | Senior Procurement Leader at CoCo Global Ltd, based in Kings Langley, England, United Kingdom. AeroLeads shows a work email signal at computacenter.com, phone signal with area code 441, and a matched LinkedIn profile for John O'Callaghan.

John O'Callaghan previously worked as Engagement Lead at Coco Global Ltd and Global Head of Procurement - IT Infrastructure at Hsbc. John O'Callaghan holds Gnvq, Retail And Distribution from West Herts College.

Company email context

Email format at CoCo Global Ltd

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{first}.{last}@computacenter.com
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AeroLeads found 1 current-domain work email signal for John O'Callaghan. Compare company email patterns before reaching out.

Profile bio

About John O'Callaghan

An experienced IT commercial professional with over 20 years experience in procurement, sourcing and category management roles across the IT and Financial Services sectors. Demonstrable record of dealing with all aspects of the IT category including hardware, software, consulting services, professional services, managed services and BPO. Further demonstrable experience in and owning and leading complex commercial negotiations and programs with values exceeding hundreds of £m's in value.A natural leader with excellent stakeholder management skills, very comfortable and proficient in dealing with the CxO community on a 1-2-1 basis, generally not afraid to challenge the 'status quo' while balancing the requirements of business strategy and BAU. Personally recognised as a big character but more generally as a well practised and qualified leader of direct and virtual teams, a strong believer in building a top performing teams through high levels of motivation and fluid communication.

Listed skills include Solution Selling, Cloud Computing, Managed Services, Channel Partners, and 6 others.

Current workplace

John O'Callaghan's current company

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

CoCo Global Ltd
Coco Global Ltd
Global Head of Procurement | Senior Procurement Leader
AeroLeads page
7 roles

John O'Callaghan work experience

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

Engagement Lead

Current

London, England, Gb

Jul 2022 - Present

Global Head Of Procurement - It Infrastructure

London, Gb

managing a team of 9 x Category Managers across in the UK and Asia responsible for all aspects of global strategic spend activity across the IT category. The category includes Client Services, Network/Telco Services, Data Centre Services, Server, Storage and Data Platforms, Systems Management, Service Management and Cloud Services.Spend across the category is over $1.3b across both Run the Bank (opex) and Change the Bank (capex)

Oct 2017 - Jun 2022

Head Of It Infrastructure Supply Chain

Edinburgh, Scotland, Gb

Mar 2015 - Oct 2017

Category Manager

Hatfield, Hertfordshire, Gb

Jan 2008 - Dec 2012

Senior Buyer

Hatfield, Hertfordshire, Gb

Jan 2001 - Dec 2007

Buyer

Hatfield, Hertfordshire, Gb

Jan 1999 - Dec 2000
2 education records

John O'Callaghan education

Gnvq, Retail And Distribution

West Herts College

High School

Parmiters School
FAQ

Frequently asked questions about John O'Callaghan

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

What company does John O'Callaghan work for?

John O'Callaghan works for CoCo Global Ltd.

What is John O'Callaghan's role at CoCo Global Ltd?

John O'Callaghan is listed as Global Head of Procurement | Senior Procurement Leader at CoCo Global Ltd.

What is John O'Callaghan's email address?

AeroLeads has found 1 work email signal at @computacenter.com for John O'Callaghan at CoCo Global Ltd.

What is John O'Callaghan's phone number?

AeroLeads has found 1 phone signal(s) with area code 441 for John O'Callaghan at CoCo Global Ltd.

Where is John O'Callaghan based?

John O'Callaghan is based in Kings Langley, England, United Kingdom while working with CoCo Global Ltd.

What companies has John O'Callaghan worked for?

John O'Callaghan has worked for Coco Global Ltd, Hsbc, Natwest Group, Lloyds Banking Group, and Computacenter.

How can I contact John O'Callaghan?

You can use AeroLeads to view verified contact signals for John O'Callaghan at CoCo Global Ltd, including work email, phone, and LinkedIn data when available.

What schools did John O'Callaghan attend?

John O'Callaghan holds Gnvq, Retail And Distribution from West Herts College.

What skills is John O'Callaghan known for?

John O'Callaghan is listed with skills including Solution Selling, Cloud Computing, Managed Services, Channel Partners, Enterprise Software, Outsourcing, Professional Services, and Saas.

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