Ariel White-Tsimikalis

Ariel White-Tsimikalis

Spoken Languages
Greek English
Ariel White-Tsimikalis
+44 (0)20 7667 3610

Ariel White-Tsimikalis is a partner in the firm’s Technology and Life Sciences group and Capital Markets practice. She specializes in advising corporates (with a particular focus on growth companies), financial institutions and private equity funds on equity capital markets transactions (including IPOs and secondary offerings) and general public company advisory matters. She is a member of the firm’s ESG & Impact, Women’s Health & Wellness and Public Company Advisory groups and regularly advises listed companies and regulated entities on their ESG obligations, particularly on governance matters. Ariel has extensive experience advising banks and other financial institutions, having spent time on secondment at global investment banks Goldman Sachs, Jefferies and Citi.

Drawing on her cultural background, Ariel has a particular interest in the emerging markets of Greece and Africa particularly in the Tech sector.



Ariel represents clients from a variety of sectors internationally, particularly in the Tech and Life Sciences sectors.

Her representative experience includes:

  • Stifel as placement agent on Renalytix’s (a dual AIM and NASDAQ listed company) US$20m private investment in public equity
  • Goldman Sachs as joint global coordinator to TeamViewer, a leading provider of remote connectivity solutions, on its IPO on the Frankfurt Stock Exchange achieving a valuation of €5.2 billion making it one of the biggest IPOs in Europe in 2019**
  • Goldman Sachs as joint global coordinator to Prosus, a spin-off of South African consumer internet group Naspers, on its IPO on Euronext Amsterdam becoming one of the largest tech companies listed in Europe**
  • Industrials REIT (formerly known as Stenprop Limited) on its transfer from the specialist fund segment to the premium list of the Main Market of the London Stock Exchange and migration to a secondary listing on the Main Board of the Johannesburg Stock Exchange*
  • Jefferies and Investec as sponsors and underwriters to Keller Group on its £200 million Class 1 acquisition of the piling division of North American Energy Partners and related £58.7 million cashbox placing*
  • Jefferies as sponsor and underwriter to Severfield-Rowen (now known as Severfield) on its £47.9 million rights issue*
  • Jefferies and Peel Hunt as underwriters to PureTech Health on its £108 million IPO and premium listing on the London Stock Exchange*
  • Underwriting syndicate including J.P. Morgan, HSBC and Standard Bank to Lonmin plc on its multiple US$1.2 billion aggregate rights issues*
  • AIM-quoted Mereo BioPharma on its combination with Nasdaq-listed OncoMed Pharmaceuticals*
  • RPC Group on its £200 million rights issue and Class 1 acquisition of Promens Group, £90 million placing in connection with its takeover of British Polythene Industries plc and £552 million rights issue in connection with its acquisition of the Letica Group*
  • TI Fluid Systems on its £407 million IPO and premium listing on the London Stock Exchange*
  • UBS, Barclays and Credit Suisse as bookrunners on the US$320 million placing by Nomad Foods*
  • Greek E-commerce company VivaWallet on its series D fundraise from TenCent, Breyer Capital and the European Bank of Reconstruction and Development*
  • Vedanta Resources on its US$5.9 billion reverse takeover of Cairn India and re-admission to trading on the London Stock Exchange*
  • Wizz Air on its £309 million IPO and premium listing on the London Stock Exchange, Class 1 acquisition of 110 Airbus aircraft and general public company advisory matters*
  • The founders of a FinTech and E-commerce focused SPAC on its proposed IPO on Euronext Amsterdam*
  • Board of Directors of the UK subsidiary of an African listed financial institution on corporate governance matters*

* Denotes experience prior to joining Goodwin.

** Denotes experience whilst on secondment to Goldman Sachs

Professional Experience

Prior to joining Goodwin, Ariel was a partner in Bryan Cave Leighton Paisner’s M&A and Corporate Finance team in London, where she also served as the Global Co-Leader of the firm’s Banking sector group. She was previously at Davis Polk & Wardwell and Latham Watkins. Ariel began her legal career at Freshfields Bruckhaus Deringer where she trained and qualified.

Professional Activities

As one of only a handful of black female partners at a top law firm in the UK, Ariel is passionate about contributing to a stronger pipeline of diverse lawyers in the legal profession and is therefore particularly active in the Diversity & Inclusion space both within the firm and externally as well as part of her broader ESG practice.

She currently serves as a Committee Member of the Women Lawyers Division of the Law Society of England & Wales and was recently elected to the Law Society’s Council. Ariel was formerly a member of the Global Advisory Board of the Women in Law Economic Forum (WILEF) and the Senior Advisory Board of Lex:Lead, an organization focused on the professional development of lawyers in developing nations.

Ariel is currently a Mentor for the Creating Pathways program of the UK’s Black Solicitors Network and has previously served as a Mentor for the 30% Club’s mentoring program for women.



LLBLaw & Politics2004

University of Edinburgh


LLB Law & Politics2003

University of Oslo

(Erasmus Programme) 



  • Solicitor of England and Wales

Recognition & Awards

Ariel is recognized by Legal 500 UK 2022 for Equity Capital Markets and Chambers & Partners for Diversity & Inclusion. She was also included in Cranfield University’s 2020 list of “Top 100 Women to Watch” for FTSE 100 board positions.


As a corporate governance specialist, Ariel thought leadership is regularly published in leading national publications including The Chartered Governance Institute’s (formerly known as ICSA) Governance + Compliance magazine, City A.M., The ESG Investor and The Law Society’s publications.

Her recent publications include:

Her recent speaking engagements include:

  • Panelist, ‘Navigating ESG in a Volatile World’, NASDAQ, April 2022

  • Moderator, ‘Successfully Managing & Driving Your Organization's ESG Initiatives’, Women, Influence & Power in Law conference, May 2022
  • Quoted, ‘Trends in UK Equity Capital Markets 2021-2022’, LexisNexis, April 2022
  • Panelist, ‘Securities Regulation in Europe Conference’, PLI, March 2022
  • Panelist, LSX IPO Bootcamp, January 2022
  • Panelist, SIFMA’s Compliance & Legal Annual Seminar, “Opportunities and risks for institutions in managing social activism and stakeholder engagement on ESG issues”, July 2021
  • Speaker, “Practical Lessons in Subsidiary Reporting: A Case Study”, The Governance Institute’s Subsidiary Governance Summit, December 2021
  • Panelist, Shore Capital’s “ESG Seminar: ESG and the SME Board Agenda”, November 2021
  • Panelist, “Capital Markets Developments – Practical Deal Implications in the COVID/Post-COVID Era,” PLI 20th Annual Institute on Securities Regulation in Europe, April 2021
  • Speaker, Black Women in Asset Management: In Conversation With Ariel White-Tsimikalis, February 2021
  • Moderator, The Law Society’s Fiona Woolf Lecture 2020: The Challenges of Intersectionality, November 2020