Here is a list of those on the Anglican Communion Standing Commission on Unity, Faith and Order. Those highlighted in red would be reduced to consultant status (whatever that means) under the moratoria rule the Archbishop speaks of in his letter.
The Most Revd Bernard Ntahoturi, Primate of Burundi and Chair of Commission
The Rt Revd Dr Georges Titre Ande, Congo
The Ven. Professor Dapo Asaju, Nigeria
The Revd Canon Professor Paul Avis, England
The Rt Revd Philip D Baji, Tanzania
The Revd Canon Dr John Gibaut, World Council of Churches
The Rt Revd Howard Gregory, West Indies
The Revd Dr Katherine Grieb, Episcopal Church (USA)
The Revd Canon Clement Janda, Sudan
The Revd Sarah Rowland Jones, Southern Africa
The Revd Dr Edison Muhindo Kalengyo, Uganda
The Rt Revd Victoria Matthews, Aotearoa, New Zealand and Polynesia
The Revd Canon Dr Charlotte Methuen, England
The Revd Dr Simon Oliver, Wales/England
The Rt Revd Professor Stephen Pickard, Australia
Dr Andrew Pierce, Ireland
The Revd Canon Dr Michael Nai Chiu Poon, South East Asia
The Revd Dr Jeremiah Guen Seok Yang, Korea
The Rt Revd Tito Zavala, Bishop of Chile, Southern Cone
The Revd Joanna Udal, the Archbishop of Canterbury’s Secretary for Anglican Communion Affairs The Revd Canon Dr Alyson Barnett-Cowan, Director for Unity, Faith and Order
Mr Neil Vigers, of the Anglican Communion Office.
I am not sure of the status of SE Asia and Tanzania. I am sure this will be further corrected.