Alan O'Brien
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Alan O'Brien Email & Phone Number

Chief Legal Officer at CNOOC International
Location: London, England, United Kingdom 7 work roles 2 schools
1 work email found @costain.com LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email a****@costain.com
LinkedIn Profile matched
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Current company
CNOOC International
Role
Chief Legal Officer
Location
London, England, United Kingdom
Company size
2930 employees

Who is Alan O'Brien? Overview

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Quick answer

Alan O'Brien is listed as Chief Legal Officer at CNOOC International, a with 2930 employees, based in London, England, United Kingdom. AeroLeads shows a work email signal at costain.com and a matched LinkedIn profile for Alan O'Brien.

Alan O'Brien previously worked as General Counsel Company Secretary and Senior VP at Nexen Petroleum and Director at Encana. Alan O'Brien holds Mba, Dissertation On Legal Service Quality For The In House Legal Department from Henley Business School.

Company email context

Email format at CNOOC International

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

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Profile bio

About Alan O'Brien

Western Canada General Counsel of the year

Listed skills include Energy, Joint Ventures, Upstream, Petroleum, and 14 others.

Current workplace

Alan O'Brien's current company

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

CNOOC International
Cnooc International
Chief Legal Officer
Website
cnoocinternational.com
Employees
2930
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Company profile
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7 roles · 45 years

Alan O'Brien work experience

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

General Counsel Company Secretary And Senior Vp

Nexen Petroleum

Sale of Nexen to CNOOC Limited

Director

Encana

Development of Buzzard Field and growing the UK business before sale to Nexen

Jul 2003 - 2003

General Counsel Company Secretary Commercial Manager Solicitor

Lasmo
1992 - 1998 ~6 yrs

Solicitor

Marathon
1986 - 1991 ~5 yrs

Solicitor

Costain

UK and International construction and civil engineering including projects such as the Thames Barrier and the Channel Tunnel

1982 - 1986 ~4 yrs
Team & coworkers

Colleagues at CNOOC International

Other employees you can reach at cnoocinternational.com. View company contacts for 2930 employees →

GT Gord Thompson Gord Thompson Colleague at Cnooc InternationalInnisfail, Alberta, Canada View → MB Mansoor Badar Mansoor Badar Colleague at Cnooc InternationalFort Mcmurray, Alberta, Canada View → AB Abdulla Binselm Abdulla Binselm Colleague at Cnooc InternationalYemen View → BJ Bryan Jackson Bryan Jackson Colleague at Cnooc InternationalCalgary, Alberta, Canada View → JW James Will Ciwfm James Will Ciwfm Colleague at Cnooc InternationalInverurie, Scotland, United Kingdom View → PI Paul Irvine Paul Irvine Colleague at Cnooc InternationalGreater Aberdeen Area, United Kingdom View → BM Barry Mullen Barry Mullen Colleague at Cnooc InternationalGlenrothes, Scotland, United Kingdom View → AS Ali Shaher Ali Shaher Colleague at Cnooc InternationalYemen View → SJ Sadeq Jabbar Sadeq Jabbar Colleague at Cnooc InternationalIraq View → LW Linda W. Linda W. Colleague at Cnooc InternationalAberdeen, Scotland, United Kingdom View →
2 education records

Alan O'Brien education

Education record

Gap
FAQ

Frequently asked questions about Alan O'Brien

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

What company does Alan O'Brien work for?

Alan O'Brien works for CNOOC International.

What is Alan O'Brien's role at CNOOC International?

Alan O'Brien is listed as Chief Legal Officer at CNOOC International.

What is Alan O'Brien's email address?

AeroLeads has found 1 work email signal at @costain.com for Alan O'Brien at CNOOC International.

Where is Alan O'Brien based?

Alan O'Brien is based in London, England, United Kingdom while working with CNOOC International.

What companies has Alan O'Brien worked for?

Alan O'Brien has worked for Cnooc International, Nexen Petroleum, Encana, Lasmo, and Marathon.

Who are Alan O'Brien's colleagues at CNOOC International?

Alan O'Brien's colleagues at CNOOC International include Gord Thompson, Mansoor Badar, Abdulla Binselm, Bryan Jackson, and James Will Ciwfm.

How can I contact Alan O'Brien?

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

What schools did Alan O'Brien attend?

Alan O'Brien holds Mba, Dissertation On Legal Service Quality For The In House Legal Department from Henley Business School.

What skills is Alan O'Brien known for?

Alan O'Brien is listed with skills including Energy, Joint Ventures, Upstream, Petroleum, Due Diligence, Construction, Energy Industry, and Contract Management.

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