Dr Linda Yueh

Executive Chair

Dr Linda Yueh is an economist at Oxford University, London Business School and LSE IDEAS. She is also a widely published author. 

Bryan Cassidy


Bryan spent over 30 years in the financial services industry in a variety of senior operation roles. His last position prior to retirement was Chief Operating Officer at C Hoare & Co.

Nathan McKenzie 
Head of Public Affairs
M: +44 (0)7718 476 233

Having supported the highest levels of the Australian Government for 12 years, Nathan brings a significant track record of event, public affairs and project delivery to the Society. His Australian and international networks, and extensive relationship and stakeholder management experience contribute to the Society’s pan-Commonwealth outreach activities.

Douglas Tweddle CBE 
Head of Programmes 

Doug Tweddle was the Director of HMRC responsible for customs and international relationships. Since his retirement, he has been an advisor to Governments on customs issues in Africa, Eastern Europe and the Americas. 

Elizabeth van der Valk 
Senior Public Affairs Officer
M: +44 (0)7718 476 236

Elizabeth (Libby) joined the Society in 2015 after completing an MA in Diplomacy. She has several years' experience in public affairs and events management and is responsible for the delivery of the Society's ceremonial and international activities including the annual Commonwealth Service at Westminster Abbey and the High Commissioners' Banquet. Libby is also responsible for coordinating the Society's publications including Commonwealth Voices. 

Rory Evans 
Programme Lead
M: +44 (0)7736 166 062

Rory is Programme Lead for the Equality & Justice Alliance programme, supporting Commonwealth governments, civil society leaders and Champions to reform laws that discriminate against woman and girls and LGBT+ people. He previously worked for the UN Development Programme in the occupied Palestinian territory.


Coral Fleming 
Senior Programme Officer
M: +44 (0)7912 892 318 

Coral works as part of the Youth & Education team to deliver inclusive and accessible education programmes across the Commonwealth, including managing The Queen’s Commonwealth Essay Competition. With several years’ experience of youth programmes both in the UK and overseas, she is passionate about empowering young people to participate in global discussions and enact change in their own communities. 


Lindsey Nkem 
Programme Officer 
+44 (0)7885 498 622

Lindsey works on the Equality & Justice Alliance programme supporting governments and civil society throughout the Commonwealth to address laws that discriminate against women, girls and LGBT+ people. She also coordinates the Society's international network of Branches and Associate Fellows. With a background in inclusive development and sociology and years of experience in advocacy and project coordination, Lindsey is incredibly passionate about bringing people together to tackle institutional and societal barriers to social equity and well-being.

Rajitha Niranjan 
Finance and Administration Officer

Rajitha works in finance. She obtained BA (Hons) in Business Management and has more than 18 years of working experience in finance. She is very passionate about accounting.