Jonathan Mannion
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Jonathan Mannion Email & Phone Number

Supplier Relationship and Performance Manager at giffgaff at giffgaff
Location: Northampton, England, United Kingdom 11 work roles 1 school
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✓ Verified May 2026 3 data sources Profile completeness 86%

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Current company
giffgaff
Role
Supplier Relationship and Performance Manager at giffgaff
Location
Northampton, England, United Kingdom
Company size
236 employees

Who is Jonathan Mannion? Overview

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Quick answer

Jonathan Mannion is listed as Supplier Relationship and Performance Manager at giffgaff at giffgaff, a company with 236 employees, based in Northampton, England, United Kingdom. AeroLeads shows a matched LinkedIn profile for Jonathan Mannion.

Jonathan Mannion previously worked as Supplier Relationship and Performance Manager at Giffgaff and Service Manager at Santander Uk. Jonathan Mannion studied at Mereway Upper School, Northampton (Now Abbeyfields).

Company email context

Email format at giffgaff

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giffgaff

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Profile bio

About Jonathan Mannion

An experienced, motivated and successful Manager and Analyst. A consistent high performer across various Management and Analytical roles throughout my career- driving performance and value, developing and implementing process improvements, building internal and external relationships, enhancing controls, managing change and remediating incidents.I have amassed various skills, achievements and competencies during my career, both within RS Components & Barclays as well as within the retail sector prior.

Current workplace

Jonathan Mannion's current company

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giffgaff
Giffgaff
Supplier Relationship and Performance Manager at giffgaff
london, greater london, united kingdom
Website
giffgaff.com
Employees
236
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Company profile
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11 roles

Jonathan Mannion work experience

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

Supplier Relationship And Performance Manager

Current
Giffgaff
Mar 2020 - Present

Service Manager

Santander Uk

Milton Keynes, United Kingdom

Oct 2018 - Dec 2019

Business Data Analyst

Rs Components

Corby, Northamptonshire, United Kingdom

Performance Measures, Data Analytics for for LEAN/process improvements into IT project management function

Oct 2017 - Sep 2018

Performance Analyst

Barclays

Coventry, United Kingdom

Jun 2017 - Sep 2017

Change Manager

Barclaycard

Northampton, United Kingdom

Oct 2012 - Nov 2013

Team Manager

Barclaycard

Northampton, United Kingdom

Mar 2012 - Oct 2012

Department Manager

Bhs

Northampton, United Kingdom

  • Service Management
  • Change Management
  • Team Leadership
  • Stakeholder Engagement
  • Building successful working relationships
  • Risk/Control Governance
Dec 2009 - Jun 2010
Team & coworkers

Colleagues at giffgaff

Other employees you can reach at giffgaff.com. View company contacts for 236 employees →

TM Tim Maguire Tim Maguire Colleague at Giffgaff London, England, United Kingdom, United Kingdom View → GD Gian De Vere Gian De Vere Colleague at Giffgaff London, England, United Kingdom, United Kingdom View → JM Jac Morris Jac Morris Colleague at Giffgaff London, England, United Kingdom, United Kingdom View → SW Sophie Wheater Sophie Wheater Colleague at Giffgaff Chesham, England, United Kingdom, United Kingdom View → MD Meghna Deo Meghna Deo Colleague at Giffgaff United Kingdom, United Kingdom View → DM Damian Mccartney Damian Mccartney Colleague at Giffgaff Londonderry, Northern Ireland, United Kingdom, United Kingdom View → NS Nick Scott Nick Scott Colleague at Giffgaff Tyneside Area, United Kingdom View → RS Romy Smith Romy Smith Colleague at Giffgaff Greater London, England, United Kingdom, United Kingdom View → HH Hkjgj Hjk Hkjgj Hjk Colleague at Giffgaff Rochester, England, United Kingdom, United Kingdom View → TP Travers Phelps Travers Phelps Colleague at Giffgaff Slough, England, United Kingdom, United Kingdom View →
1 education record

Jonathan Mannion education

  • Mereway Upper School, Northampton (Now Abbeyfields)
    Mereway Upper School, Northampton (Now Abbeyfields)
FAQ

Frequently asked questions about Jonathan Mannion

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

What company does Jonathan Mannion work for?

Jonathan Mannion works for giffgaff.

What is Jonathan Mannion's role at giffgaff?

Jonathan Mannion is listed as Supplier Relationship and Performance Manager at giffgaff at giffgaff.

Where is Jonathan Mannion based?

Jonathan Mannion is based in Northampton, England, United Kingdom while working with giffgaff.

What companies has Jonathan Mannion worked for?

Jonathan Mannion has worked for Giffgaff, Santander Uk, Rs Components, Barclays, and Barclaycard.

Who are Jonathan Mannion's colleagues at giffgaff?

Jonathan Mannion's colleagues at giffgaff include Tim Maguire, Gian De Vere, Jac Morris, Sophie Wheater, and Meghna Deo.

How can I contact Jonathan Mannion?

You can use AeroLeads to view verified contact signals for Jonathan Mannion at giffgaff, including work email, phone, and LinkedIn data when available.

What schools did Jonathan Mannion attend?

Jonathan Mannion studied at Mereway Upper School, Northampton (Now Abbeyfields).

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