Skip to main content

Clifford Chance

Clifford Chance
Gareth Deiner

Gareth Deiner


Gareth Deiner

Gareth Deiner is an English and New York qualified lawyer whose practice covers debt and equity capital markets transactions across the South and Southeast Asian region. Gareth advises sovereign and corporate issuers, private equity sponsors, financial investors, real estate investment trusts and investment banks on their most complex and strategic capital markets transactions and capital reorganisations. He is also a noted expert on ESG-related solutions and sustainable finance transactions, having advised on numerous award-winning and market-first transactions, particularly in the energy and infrastructure sector.

Gareth's product-specific experience includes high yield, sovereign, corporate investment grade and cross-over credit debt securities offerings; IPOs, placements, PIPEs and equity-linked offerings (including convertible, exchangeable and perpetual bond issues); US and European private placements; Islamic finance securities offerings; regulatory capital securities offerings and various liability management and debt capital markets restructuring exercises.

Contact details

Career and qualifications

  • Rhodes University, South Africa (BComm) 2003
  • Rhodes University, South Africa (LLB) 2005
  • University of South Africa (Post-Graduate Certificate in Advanced Corporate and Securities Law) 2005
  • Admitted as an attorney and conveyancer in South Africa 2005
  • Associate, Edward Nathan Sonnenberg Incorporated 2006
  • Joined Clifford Chance as Associate 2007
  • Admitted as a solicitor in England and Wales 2008
  • Senior Associate, Herbert Smith Freehills 2013 - 2015
  • University of London, United Kingdom (MSc) 2015
  • Rejoined Clifford Chance 2015
  • Partner since 2019
  • Admitted as an attorney and counsellor-at-law in New York 2022

Professional bodies

  • Financial Services Lawyers Association

Awards and citations

  • "Gareth has strong technical expertise and is a dedicated, driven and hard-working partner."
    Chambers Asia Pacific 2022: Capital Markets – International - Singapore
  • Gareth Deiner is highly praised by clients, with one source describing him as "very technical and extremely good with clients." He is particularly recognised for his skills in handling debt offerings, above all in Indonesia and Malaysia.
    Chambers Asia Pacific 2021: Capital Markets – International - Singapore
  • ‘Gareth Deiner is professional, knowledgeable, commercially minded, has a hands-on approach to work, is innovative with a high capability in problem-solving, and is prompt in response times.’
    Legal 500 Asia Pacific 2021: Capital Markets: Equity and Debt: Foreign Firms
  • Next Generation Partner
    Legal 500 Asia Pacific 2021: Capital Markets: Equity and Debt: Foreign Firms
  • Gareth Deiner is well regarded by market sources and is particularly active on debt offerings. One client notes that he is "very responsive and able to explain complicated matters in a practical way and search for commercial solutions," adding that his "proactive manner" makes it easy to work with him.
    Chambers Asia Pacific 2020: Capital Markets – International - Singapore
  • Recognised as 'Commended External Counsel of the Year 2019' in the client and peer-voted Asia Mena Counsel Awards by InHouse Community magazine.
  • Gareth Deiner has been included in the latest Asian Legal Business 40 under 40 rankings which recognises outstanding legal professionals.
  • A capital markets specialist, Deiner has advised on high-profile transactions across South Asia and the ASEAN region, including a multinational banking and financial services corporation as arranger on the establishment of a $1 billion guaranteed medium-term note programme for a firm which provides financial and treasury services. He worked on the deal that won the Debt Market Deal of the Year (Midsize) at the ALB Malaysia Awards 2018. One of his clients calls him the “real DCM guy,” adding that “Gareth is the first person I will call".
  • ”Named as one of "Singapore's 70 most influential lawyers aged 40 and under in 2016" by Singapore Business Review, 2016. 
  • Named as a "Next Generation Lawyer" in Singapore: Capital Markets by the Legal 500, 2016
  • Named as the "Rising Star for Debt and Equity-Linked Capital Markets" at the 2015 Asia-Pacific IFLR Awards