Chief Legal Officer
Current
Apr 2018 - Present
AeroLeads people directory · profile
Alan O'Brien Email & Phone Number
Chief Legal Officer
at
CNOOC International
1 work email found
@costain.com
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Current company
Role
Chief Legal Officer
Location
London, England, United Kingdom
Company size
Who is Alan O'Brien? Overview
A concise factual answer block for searchers comparing this professional profile.
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
This section adds company-level context without repeating Alan O'Brien's masked contact details.
{first}.{last}@costain.com
86% confidence
AeroLeads found 1 current-domain work email signal for Alan O'Brien. Compare company email patterns before reaching out.
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
7 roles · 45 years
Alan O'Brien work experience
A career timeline built from the work history available for this profile.
Chief Legal Officer
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 →
CH
Claire Hart
Colleague at Cnooc InternationalCalgary, Alberta, Canada
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WM
W M Farid W Aziz
Colleague at Cnooc InternationalLondon Area, United Kingdom
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DM
David Mcarthur
Colleague at Cnooc InternationalKirkcaldy, Scotland, United Kingdom
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KA
Khalid Alamoudi
Colleague at Cnooc InternationalYemen
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LC
Louise Craig
Colleague at Cnooc InternationalGreater Aberdeen Area, United Kingdom
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LS
Layton Storie
Colleague at Cnooc InternationalAlberta, Canada
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ZK
Zongpan Kuang
Colleague at Cnooc InternationalBeijing, China
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RW
Robert Webber
Colleague at Cnooc InternationalLondon, England, United Kingdom
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LS
Leanne Sutyla
Colleague at Cnooc InternationalCalgary, Alberta, Canada
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JM
Jan Myhre
Colleague at Cnooc InternationalCalgary, Alberta, Canada
View →
Claire Hart
Colleague at Cnooc InternationalCalgary, Alberta, Canada
View →
WM
W M Farid W Aziz
Colleague at Cnooc InternationalLondon Area, United Kingdom
View →
DM
David Mcarthur
Colleague at Cnooc InternationalKirkcaldy, Scotland, United Kingdom
View →
KA
Khalid Alamoudi
Colleague at Cnooc InternationalYemen
View →
LC
Louise Craig
Colleague at Cnooc InternationalGreater Aberdeen Area, United Kingdom
View →
LS
Layton Storie
Colleague at Cnooc InternationalAlberta, Canada
View →
ZK
Zongpan Kuang
Colleague at Cnooc InternationalBeijing, China
View →
RW
Robert Webber
Colleague at Cnooc InternationalLondon, England, United Kingdom
View →
LS
Leanne Sutyla
Colleague at Cnooc InternationalCalgary, Alberta, Canada
View →
JM
Jan Myhre
Colleague at Cnooc InternationalCalgary, Alberta, Canada
View →
2 education records
Alan O'Brien education
Mba, Dissertation On Legal Service Quality For The In House Legal Department
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 Claire Hart, W M Farid W Aziz, David Mcarthur, Khalid Alamoudi, and Louise Craig.
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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