SIAA members

SIAA now has over 165 individual and organisational members. Some of our founding and individuals members are profiled below.


Luis Perera Aldama - Pricewaterhouse Coopers, Chile

Luis is a Senior Partner at PwC Chile, with a special interest in the accounting and reporting systems of not-for-profit organisations.

Karen Aldridge - Lecturer in Financial Accounting, UK

Karen is a chartered accountant and university lecturer with a special interest in the voluntary sector.

Dubby Arbel - Midot, Israel

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

Guy Beigel - Midot, Israel

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

Filippa Bergin - Invest in Change, Sweden

Filippa is the CEO of Invest in Change, an organisation based in Stockholm which works to promote sustainable consumption.

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.

John Copps - New Philanthropy Capital, UK

John is the the founder of NPC’s Well-being Measure, and also a researcher at New Philanthropy Capital.

Matthew Doherty - Medicines for Malaria Venture, Switzerland

Matthew is the External Relations Officer for the Medicines for Malaria Venture, a non-profit foundation which develops affordable anti-malarial drugs through public-private partnerships.

Jed Emerson - Impact Assets, USA

Jed is an advisor to asset owners interested in managing all their assets for impact. He has also done significant work in performance metrics, SROI, venture and strategic philanthropy and sustainable investing.

Jacob Harold - Program Officer, Philanthropy Program, The William and Flora Hewlett Foundation, USA

Jacob leads grantmaking for the Philanthropy Program at the William and Flora Hewlett Foundation where he has overseen $25 million in grants which, together, aim to build a 21st century infrastructure for smart giving.

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.

Jenni Inglis - VIE (for life) Ltd, UK

Jenni is the Managing Director of VIE (for life) Ltd, a consultancy which helps social enterprises and public services increase their impact, and also a Director of the SROI Network.

Susanna Krueger - goodroot, Germany

Susanna is a researcher and consultant at goodroot, an organisation which works to find meaningful ways to measure social impact and combine it with innovative forms of organisational development.

Philippa Lynch - Audit Commission, UK

Philippa is a performance information analyst at the Audit Commission, working on the development, use and presentation of performance information for local authorities in England.

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.

Matthew Parker - Lamplight Database Systems, UK

Matthew is the founder of Lamplight Database Systems, which supplies a monitoring and case management system to the voluntary sector.

Jonathan Prince - Social Impact Group, UK

Jonathan is the Director of Social Impact Group, which helps charities to become more sustainable and advises commercial and statutory organisations about adopting socially responsible strategies.

Rick Rijsdijk - Social Value Lab, UK

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

Amber Seely - Spark Insites, USA

Amber is from Spark Insites, a market analysis firm specialising in place-based research, real estate and demand analysis.

Gavin Stedman-Bryce - Pamoja, UK

Gavin is the founder and Managing Director of Pamoja, a firm that works with value-led organisations to improve their social impact by providing expert consultancy and communications services.

Galen Townson - Post-graduate student, Australia

Galen is a post-graduate student studying social impact, and also a programme manager for a social impact and wellbeing project.

Maritza Tucker - Action Planning, UK

Maritza is a consultant with Action Planning, a leading UK management, fundraising and recruitment consultancy to charities and not-for-profit organisations.

Russell Turner - RDT Consultancy, UK & Sweden

Russell is an independent consultant with over 10 years of experience in evaluating public and third sector projects.

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. She has been a paid employee, director, trustee, on-the-ground volunteer and freelance consultant with a wide variety of organisations and is currently working towards Accredited Practitioner status for SROI.

Brian Walsh - Liquidnet, USA

Brian oversees the philanthropy programme for Liquidnet, the global international trading network, and is currently overseeing their ‘Markets for Good’ initiative.