1. Home
  2.  » 
  3. About Us
  4.  » 
  5. Our People
  6.  » Staff



Marguerite Hughes

Chief Executive Officer

Marguerite is based in Ireland and has a doctorate in Social Science from University College Cork. Marguerite has held senior voluntary and paid positions in non-profit organisations in sectors including international development, patient support and advocacy, homelessness, and educational advocacy for more than 20 years. Marguerite’s first child was born in 2004 and diagnosed with PWS shortly after birth. Prior to becoming IPWSO CEO, Marguerite served on the IPWSO board for 6 years, most recently as IPWSO Vice President from 2016-2019.

Shelly Cordner
Shelly Cordner

Project Manager

Shelly has held roles in the UK charity sector encompassing relationship management, fundraising, project delivery and online and in-person events and training management. In health charities she has worked to support people with Parkinson’s and people with Arthritis. Shelly joined IPWSO at the start of 2021 and is responsible for managing IPWSO Project ECHO® programs as well as other online and in-person workshops, meetings and conferences.  

Kate Marshall

Fundraising and Communications Manager

Kate is based in England and has twenty years of experience working within the charity sector, specialising in marketing, communications, and fundraising.  She has worked on various campaigns focusing on positive health initiatives and targeting harder-to-reach communities.  She has also spent many years volunteering within youth, membership and educational organisations sharing her training, fundraising and communication skills. Kate joined IPWSO in early 2024 and is responsible for our fundraising and communication campaigns.

Nora McNairney

Project and Operations Manager

Nora is based in Northern Ireland and has spent over 20 years working in membership-based organisations supporting various functions including operational, secretariat, policy, public engagement and continuous professional development. For 15 years Nora was Manager of the Royal College of Psychiatrists in Northern Ireland and was responsible for delivering local, national and international academic conferences. Nora joined IPWSO as Project and Operations Manager to develop our Project ECHO® programs and our 11th International Conference which was held in Limerick from 6 – 10 July 2022.

< Back to Our People

International Community

IPWSO was established so that PWS associations, families, clinicians and caregivers around the world could exchange information and support and have a united global voice under one umbrella.

three adults and a child smiling

Information for

Find useful guides, research and information to help families manage PWS.

One man one lady at conference

Information for Medical Professionals

The latest medical and scientific research and information, plus guides into common medical issues affecting people with PWS.

Information for
Professional Caregivers

Sharing international knowledge among professional service providers throughout the world.

What is PWS?

Translated Guides

Find support in my country