Picture of Penelope Warne

Penelope Warne

The Senior Partner
Chairman of the UK LLP Board and Head of Energy

CMS Cameron McKenna Nabarro Olswang LLP
Cannon Place
78 Cannon Street
London
EC4N 6AF
United Kingdom
Languages English, French

Penelope Warne is the Senior Partner and Chairman of the UK Board. She is also Head of Energy.

Penelope, an oil and gas specialist, joined the firm in 1993 to set up the Aberdeen office and has a strong growth track record. In 25 years, she has transformed CMS’ practice in Scotland from one person in Aberdeen to the market leading practice in Scotland following the combination with Dundas & Wilson in 2014. As the Energy practice group leader, she opened offices in Aberdeen, Edinburgh, Brazil, Mexico and Dubai. Her practice spans the globe advising clients in the oil and gas industry in the North Sea, the US, Norway, Brazil, EMEA and Russia.

Penelope is at the cutting edge of oil industry issues, she is active in thought leadership and trains oil industry lawyers in her role as an Honorary Fellow and Trustee of the Centre for Energy, Petroleum and Mineral Law and Policy at Dundee University. She is also a member of the Foundation Board at IMD, the highly acclaimed international business school based in Lausanne, Switzerland. CMS runs its Partner Induction Programme in conjunction with IMD and also runs a scholarship programme for associates to secure places on IMD’s Building on Talent programme. 

Penelope is ranked as a Leading Energy Expert in both Chambers and Legal 500. She was also ranked in “The Sunday Times Britain’s 500 Most Influential” in 2015 and also in 2016 as one of only 20 in the law category. She was awarded 'Best in Energy, Natural Resources and Mining' at Euromoney's Europe Women in Business Law Awards in 2012 and 2013, and has been recognised in The Lawyer's Hot 100.

Penelope works globally with governments, energy industry specialists and academics and is a member of the Oxford University Vice Chancellor's Circle.

Penelope is a great supporter of Diversity & Inclusion and is proud to lead the fundraising in the firm.

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Education

Bristol University.

Dually qualified in English and Scots law.

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Expertise

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29/04/2016
CMS an­nounces 31 part­ner and two dir­ect­or pro­mo­tions...
02/02/2017
Ir­an’s new pet­ro­leum con­tract
This Janu­ary marks the first an­niversary of the “Im­ple­ment­a­tion Day”: the day on which nuc­le­ar-re­lated sanc­tions against Ir­an were lif­ted un­der the Joint Com­pre­hens­ive Plan of Ac­tion (“JC­POA”). The lift­ing of sanc­tions has been par­tic­u­larly good news for Ir­an’s.
27/04/2016
CMS’ Lon­don HQ wins ‘Best Fit out of Work­place 2016’...
21/04/2016
CMS named in The Times as a Top 50 Em­ploy­er for Wo­men
10/03/2016
CMS wins Best Man­aged In­ter­na­tion­al Law Firm at MPF...
25/01/2016
Penelope Warne re­cog­nised for second con­sec­ut­ive year...
09/09/2015
CMS ex­pands The Uni­versity of Law pro­gramme to in­tro­duce...
11/05/2015
CMS’ Athena Pro­ject show­cases at Birk­beck
21/04/2015
CMS adds 39 part­ners across the firm
05/02/2015
CMS strengthens In­ter­na­tion­al Ar­bit­ra­tion and En­ergy...
27/01/2015
Die Zeit and CMS for­um in Da­v­os: ex­perts dis­cuss the...
Frank­furt, 27 Janu­ary 2015.
26/01/2015
Penelope Warne re­cog­nised as one of “Bri­tain’s 500...
25/07/2014
Cli­ent feed­back re­port 2013/14
Act­ing on feed­back...
01/05/2014
Today Dun­das & Wilson joins CMS, the sixth largest...
10/03/2014
CMS opens new of­fice in Oman, strength­en­ing Middle...
03/02/2014
Penelope Warne today takes up the role of Seni­or Part­ner...
16/01/2014
CMS ranks as one of top three law firms in lead­ing...
15/06/2007
Lead­ing oil & min­ing ex­perts con­verge to dis­cuss the...