SIAA’s Members

SIAA now has over 250 individual and affiliated organisational members worldwide. View the current members list here.

View SIAA membership distribution in a full screen map

Take a look at the current members list here and at some of our founding and individual members who are profiled below. If you are a SIAA member and would like to be profiled on this page get in touch at [email protected].


Pesh Framjee - Crowe Clark Whitehill, UK

Pesh is the Head of Not-for-Profits at Crowe Clark Whitehill, a UK accountancy firm which in recent years has won the ‘Charity Auditor of the Year’ award.


Marlon van Dijk - Social E-valuator, the Netherlands

Marlon is the Managing Director of Social E-valuator, a knowledge & software business based on the principles of Social Return on Investment (SROI).


Sandra Velthuis - Whitebarn Consulting, Ireland

Sandra has been involved in the not-for-profit sector in the UK and Ireland for the past 25 years. She set up Whitebarn Consulting in 2005, offering affordable information and support services to a range of clients.


Martial Paris - Wise-Philanthropy Advisors, Switzerland

Martial is a project manager for Wise-Philanthropy Advisors, which accompanies donors and their families in fulfilling their philanthropic aspirations effectively.


Jonathan Coburn - Social Value Lab, UK

Jonathan is a Director of the Social Value Lab, a UK hub for social impact research, measurement, and reporting.


Rick Rijsdijk - Social Value Lab, UK

Rick is a Director of the Social Value Lab, a UK hub for social impact research, measurement, and reporting.


Maritza Tucker - Action Planning, UK

Maritza is a consultant with Action Planning, a UK based, full service consultancy, working to support the development needs of not-for-profit organisations through organisational effectiveness, leadership, strategy, income generation and marketing programmes.


Dawn Wood - Action Planning, UK

Dawn is a senior consultant with Action Planning, a UK based, full service consultancy, working to support the development needs of not-for-profit organisations through organisational effectiveness, leadership, strategy, income generation and marketing programmes.


Guy Beigel - Midot, Israel

Guy is CEO at Midot, an organisation which promotes the effectiveness of Israel’s Third Sector.


Andrew Callaghan, Knightstone Housing, UK

Andrew is an Intelligence and Impact officer at Knightstone Housing, a leading housing association in Somerset and the West of England.