Interim Managers

Josje Reinartz

Associate Director, AsiaPac

Josje joined Oxford HR in 2019. Her expertise lies in leadership, institutional development, network management and business operations in the fields of health, environment, and international cooperation.

She brings 25 years of international experience. Josje was for seven years COO for Wetlands International’s global network of 20 offices. She has a Master of International Public Health from Johns Hopkins University and led the Sibusiso treatment centre for mentally disabled children in Tanzania. Before that she worked for 15 years with Médecines sans Frontières. As an Operations Director she was part of the strategic management team in the Operations Centre Amsterdam and responsible for the programmes in Central Asia and West Africa. Josje lived in Angola, Azerbaijan, Democratic Republic of Congo, Liberia, Mozambique, Sudan, Tanzania and Uganda and worked with the teams in many other countries in Africa, Asia and Latin America.

Yolanda Weldring

Associate Director, Europe

Based in the Netherlands, Yolanda is committed to finding capable and high-performing candidates for interim jobs in international organisations and networks. Yolanda has over 30 years of experience in Human Resources Management, 18 years of which in International Development. She was International Director Oxfam Novib, Regional Director East and Southern Africa Save the Children UK, and member of senior groups within Oxfam and Save the Children International. Before joining Oxford HR, Yolanda carried out interim-director and management roles in Africa and Asia, and she has experience at Trustee-level and as Advisor to Boards. Yolanda is a trustee for Soa Aids Netherlands.

Martine Billanou

Associate Principal Consultant, Europe

Martine has over 30 years of experience in International development.   Before joining Oxford HR, she was the senior advisor to Alliance2015, a partnership of seven European NGOs. 

Previously, Martine has worked with SNV and Save the Children UK as country director in Cameroon and DRC, Tanzania, Bangladesh and Eritrea. She developed strategies and structures that supported innovative and successful development and humanitarian response programs. This involved the set-up, selection and development of successful teams and included addressing key issues of ethics, accountability and safeguarding.   

Martine’s expertise in the set-up and support of Consortia or other forms of inter-agency cooperation is supported by her strong understanding of organizational cultures and dynamics.  She worked with a wide range of INGOs in Alliance2015, in various Commonwealth inter-agency initiatives both in Cameroon and in Tanzania or, earlier in her career, as general secretary of the Eritrea Inter-Agency Consortium.   

An economist, graduated from Grenoble University, Martine started to work on performance analysis in the private sector. 

Zoe Greenwood

Head of Environment, Climate & Conservation

Zoe joined Oxford HR in 2018 after 16 years working in the charity/NGO sector. She has worked with a wide variety of organisations in the sector including UNAIDS, Plan International, Practical Action, Global Canopy, Ethical Tea Partnership and WWF to name just a few, placing Executive Directors, Directors, Trustees and Senior Managers.

She is especially interested in leadership for a sustainable future and passionate about discovering and developing for-purpose leaders. Through her work at Earthwatch, the international environmental NGO, Zoe completed assignments in India, Ghana, Kenya, China, Hong Kong, Brazil, Costa Rica and Malaysian Borneo where she has collaborated with local organisations, global NGOs and climate scientists and to design and deliver nature-based behaviour change programmes alongside conservation and research projects. She has spent many years engaging with the corporate sector to embed sustainability thinking into their operations and culture and has worked across fundraising, field management, emergency response, communications, HR and L&D throughout her career.

Zoe has a postgraduate degree from the Institute for Leadership and Sustainability (University of Cumbria), she is a trained coach and facilitator and has significant experience of bringing groups together to consider the skills and competencies needed to achieve the Sustainable Development Goals. She is Co-Founder of Climate Change Coaches Ltd and a mother of two young children.