A compact team of professionals

As our delivery capabilities build on the knowledge, skills and commitment of our team, we aim to attract, grow, and retain exceptional and talented people who also have a sense of where the world should be heading. We are always looking for highly motivated and smart professionals.

Joris Kaak Partner

Joris Kaak


Joris has 30 years of experience in Operations and Supply Chain Management across Western-Europe. He works closely with leadership teams in defining and implementing operations strategies and restructuring supply chains; with a close eye on the social and sustainability elements of the operations agenda. Joris works as a consultant, advisor, or in a counseling role. Before joining Spring in 2015, he was Partner at Varova, an entrepreneurial private equity company. Joris started his consulting career at Booz Allen Hamilton and he held senior managerial positions at MAG45 –a Philips spin-out– at TNT Logistics, and as interim professional. He holds an MSc degree in Mechanical Engineering from the Technical University Delft and an MBA from the Erasmus University Rotterdam.

Benjamin Kemper Partner

Benjamin Kemper


Benjamin has about 15 years of experience in Strategy and Operations. He focusses on shaping the strategic operations agenda, operational restructuring, and buy & build support, including separation/ integration assessment & execution. Through his deep expertise in operations and his hands-on experience in various major turnarounds, integrations and carve-outs, he drives strategic operational agendas of (portfolio) companies. Before joining Spring, Benjamin was with EY’s Operational Transaction Services team and with OC&C Strategy Consultants (today Parthenon-EY). Benjamin holds an MSc in Econometrics and a PhD in Industrial Statistics and Operations Management, both from the University of Amsterdam.

Florian Lokhorst Partner

Florian Lokhorst


Florian, Partner at Spring Associates, joined the firm in 2007 and is an experienced strategic advisor. He leads Spring’s capital markets work, and has an appetite for high-tech, digital, and information intensive industries. Projects range from strategy and business development, to investment assessments and transactions. In those projects, Florian can draw upon his skill at dealing with extensive data sets, financial modelling, and valuation. Florian has two MSc degrees in mathematical economics (operations research and actuarial sciences) from the University of Amsterdam.

Femke Markus Partner

Femke Markus


Femke joined Spring Associates in 2006, she is specialized in developing growth and transformation strategies for companies and nonprofit organisations. Besides delivering strategy advice, Femke has been active in various business development roles of new initiatives in the intersection between international development- and corporate organisations. She served as Managing Director of the Access to Medicine Index, lead the business development of OneDiagnostics, an spin-out of The Royal Tropical Institute, that develops rapid diagnostic tests for poverty related diseases and was Interim Director Business Development & Partnerships of NGO Max Foundation during which she lead the business development of Max Water Social Business, a social enterprise creating mini-grids to provide Bangladeshi households with water to their homes.

With her broad experience in business development & strategy she frequently acts as sparring partner for senior management teams on organisational dynamics and effectiveness.

Femke holds an MSc degree in Industrial Design from the Delft University of Technology.


Femke holds a number of board and advisory board positions related to her sector expertise; she is board member at Mondial Diagnostics, advisory board member at TenderXL and NetImpact Amsterdam and Venture Partner at ScaleUpNation. She held a Chairman of the Board position at the Max Foundation.

Matthijs Baan Founder

Matthijs Baan


Matthijs Baan, Founder of Spring Associates, has been a strategy consultant and an entrepreneur during his entire career. At Spring Associates, Matthijs works as strategy advisor in Energy, Clean tech, Financial Services, Life Sciences, and Publishing. Besides delivering strategy advice, Matthijs has been instrumental in establishing companies that build on the latest innovations in these areas. Matthijs holds a Master’s degree in Physics from the University of Amsterdam and an MBA from INSEAD.


In addition, Matthijs is a Managing Director at MJ Hudson Spring where he manages the Responsible Investment practice. Furthermore, Matthijs holds a number of advisory or board positions related to entrepreneurship or the community; e.g. he is supervisory board member of sustainable aviation fuels company SkyNRG and of energy efficiency company Sensorfact. He also sits on the review board of the European Institute of Technology’s Climate KIC, and on the board of the INSEAD Alumni Association in the Netherlands.

Stella Pu Associate

Stella Pu


Stella, Associate at Spring Associates, joined the firm in 2008. She graduated from Wageningen University, the Netherlands. She studied Agricultural System Management and System and International Horticulture and Marketing at the university. She focuses on business development in Chinese renewable energy and the agricultural market. Furthermore, she is part of the operational team of Phoenix Bio Energy, Tergao, and SkyNRG, the Spring ventures. She is based in Beijing as Spring Associates’ General Manager for China. In her spare time she likes to play tennis. She loves singing and cooking as well.

Devi Sutrisno Finance Manager

Devi Sutrisno

Finance Manager

Devi is Finance Manager of Spring Associates since April 2019. He has over 6 years of experience within the financial services industry. Devi started his career at Intertrust, where he managed a team within the Real Estate department and continued his career at Alter Domus, where he managed a team within the Private Equity Department. Devi obtained a Bachelor Degree of Applied Sciences in Business Economics (BE) at the Amsterdam University of Applied Sciences in the Netherlands. In his spare time, Devi likes to travel and explore new destinations.


Are you our new colleague?

We are always looking for highly motivated and smart professionals. Join our team