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Penelope Warne

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

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. She is also a member of the Board of the Law Society.

Penelope is ranked as a Leading Energy Expert in both Chambers and Legal 500. She has received many awards for her energy work and has been recognised in The Lawyer's Hot 100 twice. She was also awarded “The Senior Management Partner of the Year” at the British Legal Awards 2017. Penelope was one of only 20 ranked in the law category of The Sunday Times/Debretts “Britain’s 500 Most Influential”. The UK Legal 500 Awards have recently awarded her for Outstanding Achievement where her role was recognised for leading the firm and her commitment to diversity in the City.

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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29/04/2016
CMS an­nounces 31 part­ner and two dir­ect­or pro­mo­tions glob­ally, along­side...
CMS has ad­ded 31 part­ners across 22 of­fices glob­ally, in ad­di­tion to two dir­ect­or ap­point­ments in Scot­land. With ef­fect from 1 May, Steph­en Mil­lar be­comes CMS’ new UK Man­aging Part­ner and Duncan We­st­on starts his new role as CMS Ex­ec­ut­ive Part­ner for Glo
02 February 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”)....
27/04/2016
CMS’ Lon­don HQ wins ‘Best Fit out of Work­place 2016’ at the BCO Awards
CMS’ Lon­don HQ, Can­non Place, has been awar­ded ‘Best Fit Out of Work­place’ for Lon­don and the South East at the Brit­ish Coun­cil For Of­fices (BCO) Awards 2016. BCO's primary ob­ject­ive is to define ex­cel­lence in of­fice space. The an­nu­al awards re­cog­nise to
21/04/2016
CMS named in The Times as a Top 50 Em­ploy­er for Wo­men
CMS has been named as a lead­er on work­place gender equal­ity by be­ing in­cluded in The Times Top 50 Em­ploy­ers for Wo­men 2016. Penelope Warne, The Seni­or Part­ner, Chair­man of the UK Board and Head of En­ergy for CMS com­ments: “Di­versity and In­clu­sion is centr
10/03/2016
CMS wins Best Man­aged In­ter­na­tion­al Law Firm at MPF Awards
CMS won Best Man­aged In­ter­na­tion­al Law Firm at the Man­aging Part­ners’ For­um Awards, held in Lon­don.
25/01/2016
Penelope Warne re­cog­nised for second con­sec­ut­ive year as one of "Bri­tain's...
CMS’ Seni­or Part­ner and Head of En­ergy, Penelope Warne, is re­cog­nised in The Sunday Times “Bri­tain’s 500 Most In­flu­en­tial” for the second year run­ning.
09/09/2015
CMS ex­pands The Uni­versity of Law pro­gramme to in­tro­duce in­nov­at­ive leg­al...
CMS has ap­poin­ted The Uni­versity of Law (ULaw) to de­vel­op an ex­cit­ing new post­gradu­ate qual­i­fic­a­tion for its train­ees in Scot­land. All stu­dents go­ing through the CMS train­ing pro­gramme will un­der­take their Dip­loma in Pro­fes­sion­al Leg­al Prac­tice un­der this
11/05/2015
CMS’ Athena Pro­ject show­cases at Birk­beck
CMS is proud to an­nounce that its ground-break­ing ex­hib­i­tion, the Athena Pro­ject, is be­ing show­cased at Birbe­ck School of Law from 8 to 23 May.
21/04/2015
CMS adds 39 part­ners across the firm
CMS an­nounces the ap­point­ment of 39 part­ners across Europe and the Middle East. This in­cludes 10 part­ners in the UK. Wo­men ac­count for over 46% (18/39) of the firm’s glob­al pro­mo­tions, with sev­en in the UK.
05/02/2015
CMS strengthens In­ter­na­tion­al Ar­bit­ra­tion and En­ergy of­fer­ing with key...
CMS is pleased to an­nounce the ad­di­tion of part­ner Pieter Bek­ker to the firm­'s In­ter­na­tion­al Ar­bit­ra­tion prac­tice. He also has sig­ni­fic­ant ex­pert­ise in the en­ergy sec­tor and brings with him a num­ber of strong cli­ent re­la­tion­ships.
27/01/2015
Die Zeit and CMS for­um in Da­v­os: ex­perts dis­cuss the fu­ture of the en­ergy...
At an event in Da­v­os, hos­ted by Ger­many’s lead­ing weekly news­pa­per Die Zeit and top ten glob­al law firm CMS, lead­ing en­ergy ex­perts dis­cussed the fu­ture of the in­dustry. The fo­cus was on the volat­ile oil price, find­ing the right en­ergy mix and how en­ergy
26/01/2015
Penelope Warne re­cog­nised as one of “Bri­tain’s 500 Most In­flu­en­tial” in...
CMS’ Seni­or Part­ner, Penelope Warne, has been re­cog­nised in “The Sunday Times Bri­tain’s 500 Most In­flu­en­tial”. She was lis­ted as “Penelope Warne, Seni­or Part­ner, CMS, one of the world’s top-10 leg­al firms and Scot­land’s mar­ket lead­er.”