Visio International

Visio International Team

Visio International shares and exchanges knowledge and expertise on visual impairments with people and organizations in other countries. Want to get in touch with the team members? See the overview below.

Els de Keijzer

Els is an international programme manager at Visio International. She joined Visio in 1990 as a nursing intern and then focused on multiple disabilities and vision impairment, first as a group leader and after that as an itinerant counsellor. She went on to work as an accessibility consultant and project manager. Since 2017 she has coordinated the Visio International programmes in Egypt and South Africa.

Send email to Els.

Aukje Snijders

As a programme manager for international knowledge development and Innovation, Aukje is responsible for overseeing Visio’s portfolio of international activities, such as participation in networks and projects. She is a board member of two of the main International networks in the field, ISLRR and Enviter. She has considerable experience in proposal writing and managing EU funds.

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Jan Til

Jan joined Visio in 2020 as an international programme manager, responsible for Ghana and Botswana. During his 30 years career in development cooperation in a number of African countries he has built expertise in programme development and implementation, result management and monitoring and evaluation.

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Yvonne Wessel


Yvonne is Visio International’s programme assistant. She supports the programme managers and other colleagues who contribute to Visio’s international activities. She handles the administration, secretarial work, logistics and the organization of events.

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Petra Wijen

Petra is an international programme manager who joined Visio in 2008. Currently she is responsible for programmes in Uganda and the West Bank of the Palestinian Territories. Before joining Visio, she worked in media for social change, mainly in Latin America. She has a wide range of experience in programme development and impact management, and has worked with many organizations from around the world in the area of disability and visual impairment.

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People working for Visio International