Five Oaks Consulting

Five Oaks Consulting:


Tosca Bruno-van Vijfeijken
Principal Consultant
Five Oaks Consulting 

Work smarter, more effectively, and with more impact

Leaders of International NGOs partner with Five Oaks Consulting to help them achieve maximum effectiveness. Our expertise is bringing out the best in mid- to large-size, global INGOs through skillful change management, cutting edge leadership development and organizational effectiveness related practices.

Tosca Bruno-van Vijfeijken

Get the experience and knowledge you need to run your high impact organizations

Tosca Bruno-van Vijfeijken has dedicated her three-decade career to international development and civil society issues. For nearly 16 years she managed, and eventually led the Transnational NGO Initiative (TNGO Initiative) at the Maxwell School of Citizenship and Public Affairs at Syracuse University, USA, where her focus was on the governance, leadership and effectiveness of international civil society organizations.

Tosca has done extensive work with mid-sized to large INGOs helping to direct customized leadership development, including executive coaching. Her work extends to change leadership and management, including organizational level evaluations.

Get the resources you need to better run your organization

Team Leadership Skills Essentials


February 28 – April 8, 2022

This online course will teach you how to build trust, motivate and manage your team’s work flows with maximum productivity. How to run engaging and productive virtual meetings and how to monitor and manage team performance.

Put your name on our waiting list now to be the first to hear!

New book 

Between Power and Irrelevance:

The Future of Transnational NGOs

This book helps identify the problems and that will helps readers evaluate and formulate strategies for adapting transnational NGOs for the future

Subscribe to our podcast

NGO Soul + Strategy

 Apodcast for leaders of NGOs and other philanthropic organizations who are not satisfied with the status quo, are ready to look change right in the eye and who see themselves as leader-as-learner. Available wherever you get your podcasts.

Clients we have worked with

What others have to say about us