Meet our Managing Board

Oikocredit has a governance structure with a Managing Board consisting of statutory directors who are responsible for the daily management of Oikocredit, including the execution of the strategy and handling all key decision-making to drive the operations of the cooperative.

Profile picture of Mirjam 't Lam
Mirjam ‘t Lam
Managing Director

Mirjam ‘t Lam joined Oikocredit in November 2020 as Director of Finance & Risk and was Interim Managing Director for several months before becoming Managing Director on 1 December 2021.

With more than 20 years of experience in financial services, Mirjam joined Oikocredit from the Africa-focused investment company Arise, where she served as Chief Financial Risk Officer (CFRO) and played a leading role in the creation of the organisation. Her other previous positions have included CFRO for Rabo Development and Executive Director at several member banks of the Rabobank Group.

Mirjam has experience in renewable energy and sustainability and was also part of Rabobank’s food and agriculture strategy team. She has international experience of working in both mature and emerging markets and holds a master’s degree in international business from Maastricht University.  In addition to her role at Oikocredit, Mirjam is a non-executive Board member for the cooperative development specialist Agriterra.

Profile picture of Patrick Stutvoet
Patrick Stutvoet
Director of Inflow & Business Enablers

Patrick Stutvoet joined Oikocredit in March 2019 as Director of IT & Operations and took on additional responsibility for Investor Relations in August 2021. He became Director of Inflow & Business Enablers in July 2022.

Patrick has more than 20 years’ experience in information technology and operations for the financial services sector, including roles at the Bank of England, ABN AMRO and Cap Gemini.

Prior to joining Oikocredit he worked as an operations consultant at the Bank of England, Head of Transaction Banking (IT International) at ABN AMRO, and Head of Investments (IT International) at ABN AMRO.

Hans Perk
Director of Impact Investments

Hans Perk joined Oikocredit in January 2018 as Regional Director Africa, he became Director of Specialised Finance & Community Building in July 2022 as was appointed as Director of Impact Investments per 1 May 2025.

Hans has worked with Triodos Bank as account manager sustainable asset management, in Guatemala with Eco Volcan as a project manager, and on sustainable supply chains and business development with Solidaridad, where he became Regional Director West Africa in Ghana. He has held board positions at sustainable impact investment funds, NGOs and purpose-driven businesses.

His experience combines working in low-income countries with knowledge of the agricultural sector and development finance, and an extensive network in impact investing.

Hans has studied economics and business at the University of Applied Sciences Utrecht and  trained in impact investment, microfinance and leadership, among other subjects, at the Saïd Business School in Oxford and De Baak Management Center in Amsterdam.