Olivier Kroemmer

After gaining more than 10 years of experience in financial management of non-profit organisations. and realising the importance of good management to organisations' delivery quality, I co-founded Axyom in 2009. .

Since then, I have been managing and developing all administrative and financial management support activities for our partners. 

I am passionate about development and carry out numerous missions in Africa each year to support our partners. 

I like to spend my free time with my family, and particularly enjoy taking nature hikes. 

Bernard Van den Abeele 

With my passion for international relations and preference for Central Africa, it was only natural that I should become involved in founding Axyom, an agency specialising in capacity building in the management of organisations active in development and humanitarian work. 

During the first 10 years of my career in the sector, I strengthened my expertise in programme/project/organisational management on-site in the field, mainly in DR Congo, and from Brussels, with various NGOs. Since the foundation of Axyom in 2009, I have specialised in institutional development and organisational strengthening with a particular focus on fundraising. . 

In my spare time, I enjoy hiking in the Alps, mountain biking in the Belgian Ardennes and… partying! My motto: "Take your work very seriously without taking yourself too seriously".

DieuMerci Kaumo N’vano

I have a Master's degree in management and business administration/auditing and management control. I also hold a Bachelor's degree in computer science and business management. 

After graduating, I decided to specialise in the development aid sector.

In the first part of my career, I gained experience in financial and administrative management in the Great Lakes region (Burundi and DRC) working for Belgian NGOs.

Currently, with Axyom, I am supporting an international foundation in DR Congo in the field of administration and finance.

Apart from IT, I also enjoy music and football. During my holidays I like to discover other countries. I have already had the opportunity to visit several countries, such as Germany, Brazil, Belgium, Rwanda and Tanzania.

Leni Driessens 

After obtaining a master's degree in Agro- and Ecosystems Engineering (in 2007) and a master's degree in Social and Cultural Anthropology (2009), and with a passion for humanitarian work, I started my career in 2012 in financial management with a non-profit organisation that provides legal aid to refugees.

I joined Axyom in 2016 to support various organisations in their financial management. In addition to my regular support missions, I particularly enjoy providing training in the use of accounting and management software such as Winbooks.

I like to spend my spare time enjoying a cup of tea with family and friends, playing with my children, and I love dancing !

Francois Kipaka

As a certified expert accountant, I chose to work with NGOs to contribute to the development of disadvantaged people in my country.

After more than 15 years of experience as financial and administrative director for the Congolese representation of international NGOs, I decided to join Axyom to support and train these partner organisations. My mission is to support our partners in financial management, human resources management, administration and taxation.

Next to my job, I like to travel and spend my free time with my family.


Renaud Hecklé 

I am a doctor in international development studies and a behavioural and neurocognitive coach. I have 15 years of experience in the field of international cooperation, particularly in sub-Saharan Africa and South East Asia.

For several years, I have specialised in supporting NGOs and associations on strategic and organisational issues, including gender and interculturality.

Outside of work, I like spend time with my family (with four children, there is plenty to do!) and relax by playing rugby or doing DIY.

Théodore Kazadi Mbuyi

Development economics is my field of interest. I am a strong advocate of institutional change as a major catalyst for social change in developing economies.
Hence my interest in supporting community dynamics and social entrepreneurship for nearly 15 years.

I have contributed to several development programmes/projects in DR Congo and gained experience in supporting and strengthening the capacities of Congolese farmers and civil society organisations (CSOs).

I joined Axyom in May 2022 as a consultant in charge of support and advice in planning, monitoring and evaluation for three partner organisations of a major international organisation.

In my spare time, I enjoy travelling with my family, writing and practicing my favourite sport, which is karate.


Joseph Kasongo

I hold a PhD in Project and Financial Management and I am passionate about the professionalisation of profit and non-profit organisations. For more than 26 years, I have been working with NGOs and non-profit organisations in DR Congo and other Central African countries.

The experience I have acquired has been enriching because it frequently leads to the formalisation of more intuitive and innovative procedures and tools for organisational management practices. I see financial management as a major planning and decision-making tool.

I like analysing risks and questioning the obvious in order to identify new options. Don't we say: "practice has theories that science does not know”?

Next to my work, I like to play football and chess.

Charlotte Van der Haert

After having managed projects and organisations in various associations and NGOs for several years, I wanted to put my expertise and know-how at the service of organisations.

To me, joining Axyom was the best solution! With a coaching approach, I now accompany and work alongside organisations to strengthen them and enable them to deploy their expertise for the benefit of their missions.

I work mainly in the fields of project management and development (in compliance with donor regulations...) and strategic and operational development of organisations.

I have a passion for travelling, meeting people, reading, tennis and yoga.

Jean-Marie Tshibanda

In addition to more than 10 years of experience in development project evaluation, I have varied expertise in public health, community development, gender, public finance transparency, advocacy and national and sectoral planning.

I have worked as a national and regional consultant on several missions in the DRC and in Africa with various national and international consulting agencies.

With the support of technical and financial partners, I have contributed to the capacity building of civil society organisations in DRC.

Besides my work, I am passionate about painting, music, poetry and culture.

Annelies Croon

I have a translation and teaching degree. I also followed training in accounting. 

After holding a variety of positions in the field of finance and administration with NGOs and other organisations active in the non-profit sector, I joined Axyom in 2020. I support our partners in different stages of their financial process such as accounting support, financial reporting to donors, preparation and follow-up of audits. 

I coach and train partner organisations to strengthen their financial management and accounting skills. Sharing knowledge and experience is what I enjoy most about my job.   

In my free time, I enjoy travelling and I am passionate about cooking, especially Japanese and Korean.