And since their website took forever to respond for me:
The Tribunal Panel
Sir Geoffrey Nice QC (Chair)
Sir Geoffrey Nice has been a barrister since 1971, and served as a part time judge in England between 1984 and 2018. Between 1998 and 2006, he led the prosecution of Slobodan Milošević, former President of Serbia, at the UN’s International Criminal Tribunal for the Former Yugoslavia. Since 2007, he has advised and represented (at the International Criminal Court and elsewhere) states, applicants and victims concerning several internal and international armed conflicts. Sir Geoffrey was Gresham Professor of Law from 2012-2016.
Prof Martin Elliott
Martin Elliott (MD FRCS) is Professor of Cardiothoracic Surgery at University College London. He has practised at Great Ormond Street Hospital since 1984, and been a thoracic transplant specialist since 1988. Widely published, he is a non-Executive Director at the Royal Marsden Hospital London and Emeritus Gresham Professor of Physic.
Andrew Khoo
Andrew Khoo has a private law practice in Kuala Lumpur, Malaysia. He is active on a range of human rights issues, and was chair/co-chair of the Human Rights Committee of Bar Council Malaysia for nine years. Currently he co-chairs the Constitutional Law Committee of the Bar Council Malaysia.
Regina Paulose
Regina Paulose is a practising attorney in the United States who focuses on international criminal law and human rights. From 2014-2016 she was the Chair for the Steering Committee of the United Kingdom Child Sex Abuse People’s Tribunal. Her publications can be found at: http://independent.academia.edu/reginapaulose
Shadi Sadr
Shadi Sadr is a Iranian human right lawyer and co-founder of Justice for Iran (JFI), an NGO with the aim to address and eradicate impunity practiced by Iranian officials. She has served as a member of the panel of judges for the 2015 International People’s Tribunal (IPT) 1965 and the 2017 People’s Tribunal on Myanmar.
Nicholas Vetch
Nicholas Vetch is a businessman, and co-founder of two public companies and a number of private entities. He is engaged in a range of NGOs in the fields of human rights and education.
Prof Arthur Waldron
Arthur Waldron is an American historian. Since 1997 he has been the Lauder Professor of International Relations in the Department of History at the University of Pennsylvania. He works chiefly on Asia, China in particular, often with a focus on the origins and development of nationalism, and the study of war and violence in general. He has published numerous scholarly papers and reviews, and written, edited, or contributed to more than twenty books, including two in Chinese only.
Counsel to the Tribunal
Hamid Sabi
Hamid Sabi is a London-based lawyer with an international practice in human rights, arbitration and litigation. He acted as Counsel and Rapporteur to the Iran Tribunal, which was an independent people’s tribunal investigating mass killings of political prisoners by the Islamic Republic of Iran in the 1980s.
For those wondering who is on this tribunal:
https://chinatribunal.com/who-we-are/
And since their website took forever to respond for me: