Expert Derek Nelson recognised as Power Player in Financier Worldwide’s International Arbitration Report
17th December 2025
HKA’s Derek Nelson, Partner, has been recognised as a Power Player in Financier Worldwide’s International Arbitration 2025 guide, which profiles exceptional experts in the field.
Derek was selected for his exceptional contributions to international arbitration alongside nine other leading expert witnesses and lawyers. The guide includes a Q&A exploring his journey to expert witness status, along with his passion for furthering best practice in the profession.
“I am honoured to receive this recognition by Financier Worldwide. The volume of data and new technological capabilities manifesting themselves on complex projects and disputes sets a new challenge for lawyers and expert witnesses alike in international arbitration. I will continue to champion best practice and with the help of organisations such as The Academy of Experts to help guide and develop the next generation of experts in international arbitration.”
Derek Nelson, Partner
You can read Derek’s Q&A from the Financier Worldwide report here, reprinted with thanks and permission.
To download the full report, visit the International Arbitration 2025 – Exceptional Experts on the Financier Worldwide website.
About Derek Nelson
Derek Nelson, Partner, is a quantum and delay expert witness with over 40 years’ experience. He has acted as an expert over 90 times, including delivering testimony on over 25 occasions. Derek is a contributing author to Delay and Disruption in Construction Contracts, 6th Edition, Chapter 18, Disruption to Progress and Lost Productivity. A fellow, past chairman, and member of Council of The Academy of Experts, Derek was welcomed as a freeman in the Worshipful Company of Arbitrators.
About HKA’s International Arbitration services
HKA is a preeminent global practice with deep multi-disciplinary expertise and extensive experience in international arbitration across industries, jurisdictions, and forums.
With over $38 billion in disputes proceeding to hearing in the past two years – the largest combined claim value by any firm in the GAR Power Index 2025 – our experts are recognised worldwide for incisive analysis, professional impartiality, and compelling testimony.
Law firms and business leaders consistently rate HKA highly for our arbitration expertise, industry insight, and integrated capabilities.
Media contact
| Name | Laura Whyte |
| Title | Corporate PR and Digital Communications Manager |
| Number | +44 20 7618 1200 |
| laurawhyte@hka.com |
