Management Staff

Meet the team

Audra Renyi
Audra Renyi
Executive Director

Audra brings experience from the private sector and the non-profit world. She holds a B.Sc. in Economics from the Wharton School, as well as a B.A. in International Studies, both from the University of Pennsylvania, and has completed an executive leadership program at Harvard Business School. In the private sector, she has worked as an investment banker on Wall Street dealing with private equity firms. On the non-profit side, Audra has worked with Doctors Without Borders running the finances and human resources for a refugee hospital in Chad, served as the CFO of One Acre Fund in Rwanda, a non-profit agricultural organization, acted as Business Consultant for a microfinance organization in Kenya. Prior to World Wide Hearing, she worked as Director of Development at Canada World Youth, a leading volunteer exchange organization that has sent 35,000 young Canadian volunteers to over 60 developing countries.


Stephen Potyondi
Project Manager

Stephen is responsible for designing and managing World Wide Hearing’s programs around the world. He has so far carried out hearing care projects on three continents. He is also in charge of technology research, training initiatives, grant writing, and volunteer management. He holds a B.A. and M.A. in history from the University of Alberta and has completed a social entrepreneurship program at the University of Santa Clara. Prior to joining World Wide Hearing, Stephen worked for the Department of Justice as a researcher and translator and for the Department of Foreign Affairs and International Trade as a consular agent at the Canadian Embassy in France.


Noel Castillo
Chief Financial Officer

Noel is responsible for World Wide Hearing’s banking, accounting, cash flow management and handling external audits. He holds a B.Econ. from Universidad Panamerica and a master’s degree in finance from Universitat de Barcelona. In December 2014, Noel passed the CFA (Chartered Financial Analyst) level I exam. His previous experience includes working as a Latin America treasury analyst for PepsiCo Mexico (where he received the 2010 Sabritas award for capturing $3.2M MXN in NOPBT savings), as well as working in trustee services for Banamex-Citigroup. Prior to joining World Wide Hearing, Noel was an active volunteer at several non-profit organizations in Montreal.

Joanna Anderson
Joanna Jeremy

Joanna provides logistical support for World Wide Hearing's Member Association. She is a public sector professional with a BSc (Econ) in International Politics and History from the University of Wales and has a strong background in social policy. Joanna has held several roles in government over the past decade, including Policy Officer for the Health Department of The Scottish Government and Housing Advice and Information Officer for The City of Edinburgh Council.