Grainne O Brien
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Grainne O Brien Email & Phone Number

Senior Manager at EY
Location: Ireland 14 work roles 2 schools
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✓ Verified August 2026 3 data sources Profile completeness 100%

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Current company
EY
Role
Senior Manager
Location
Ireland
Company size
296502 employees

Who is Grainne O Brien? Overview

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Quick answer

Grainne O Brien is listed as Senior Manager at EY, a with 296502 employees, based in Ireland. AeroLeads shows a matched LinkedIn profile for Grainne O Brien.

Grainne O Brien previously worked as Manager at Ey and Senior Consultant at Ey. Grainne O Brien holds Master’S Degree, Supply Chain Management, 2.1 from Michael Smurfit Graduate Business School.

Company email context

Email format at EY

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EY

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Profile bio

About Grainne O Brien

Grainne O Brien is a Senior Manager at EY. She possess expertise in teamwork, microsoft office, microsoft word, team leadership, time management and 20 more skills.

Listed skills include Teamwork, Microsoft Office, Microsoft Word, Team Leadership, and 21 others.

Current workplace

Grainne O Brien's current company

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EY
Ey
Senior Manager
london, greater london, united kingdom
Website
ey.com
Employees
296502
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Company profile
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14 roles

Grainne O Brien work experience

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

Senior Manager

Current
Ey

Dublin, County Dublin, Ireland

Oct 2024 - Present

Manager

Ey

Dublin

Oct 2022 - Oct 2024

Senior Consultant

Ey

Dublin

Dec 2021 - Nov 2022

Business Analyst

Mac Cosmetics

Greater New York City Area

Feb 2017 - Dec 2017

Accessories And Ladies Wear Buyer And Merchandiser Assistant

Selfridges Group

County Dublin, Ireland

Sep 2015 - Nov 2016

Consultant

Janssen Diagnostics

• Consultancy group project for the final semester of my Msc program.• The project focused on analysing inventory management policies by determining the impact of various safety stock calculation methods on working capital requirements. • Recommendations were presented in the form of a 20 minute presentation and a final business report.

May 2015 - Aug 2015

Womenswear Buyer Intern

Arnotts
May 2015 - Jul 2015

Sales Assistant

Longchamp

Arnotts

Nov 2014 - Feb 2015

Promotions Assistant

Arnotts

Dublin

Aug 2014 - Nov 2014

Deputy Store Manager

Lidl

Rathmines

May 2013 - Jul 2014
Team & coworkers

Colleagues at EY

Other employees you can reach at ey.com. View company contacts for 296502 employees →

SV Sanjana V. Sanjana V. Colleague at EyBengaluru, Karnataka, India View → SK Sunil Kumar Sunil Kumar Colleague at EyUttar Pradesh, India View → PP Pratish Ponnappan Pratish Ponnappan Colleague at EyKochi, Kerala, India View → AJ Aidan Johnston Aidan Johnston Colleague at EyEl Cajon, California, United States View → MA Mohammad Abu Rahma Mohammad Abu Rahma Colleague at EyErbil Governorate, Iraq View → DH Deon Hasley Deon Hasley Colleague at EyJamaica View → SS Soumya Saini Soumya Saini Colleague at EyMelbourne, Victoria, Australia View → SN Sowmya N Sowmya N Colleague at EyBengaluru South, Karnataka, India View → OE Olivia Evans Olivia Evans Colleague at EyTorquay, Victoria, Australia View → KZ Kashish Zawar Kashish Zawar Colleague at EyPune, Maharashtra, India View →
2 education records

Grainne O Brien education

Master’S Degree, Supply Chain Management, 2.1

Michael Smurfit Graduate Business School

Published two articles in the school's quarterly 'Chain' magazine.

FAQ

Frequently asked questions about Grainne O Brien

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

What company does Grainne O Brien work for?

Grainne O Brien works for EY.

What is Grainne O Brien's role at EY?

Grainne O Brien is listed as Senior Manager at EY.

Where is Grainne O Brien based?

Grainne O Brien is based in Ireland while working with EY.

What companies has Grainne O Brien worked for?

Grainne O Brien has worked for Ey, Primark Stores Limited, Mac Cosmetics, Selfridges Group, and Janssen Diagnostics.

Who are Grainne O Brien's colleagues at EY?

Grainne O Brien's colleagues at EY include Sanjana V., Sunil Kumar, Pratish Ponnappan, Aidan Johnston, and Mohammad Abu Rahma.

How can I contact Grainne O Brien?

You can use AeroLeads to view verified contact signals for Grainne O Brien at EY, including work email, phone, and LinkedIn data when available.

What schools did Grainne O Brien attend?

Grainne O Brien holds Master’S Degree, Supply Chain Management, 2.1 from Michael Smurfit Graduate Business School.

What skills is Grainne O Brien known for?

Grainne O Brien is listed with skills including Teamwork, Microsoft Office, Microsoft Word, Team Leadership, Time Management, Powerpoint, Supply Chain Management, and Research.

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