About Rietveld inc.
Rietveld inc. helps organisations shape and implement lasting change: to embed a new strategy or ambition, to increase employee engagement or to build support for strategic themes such as innovation, sustainability, vitality, safety or digitalisation.
Diantha Spekman
Partner – Strategy and organisational culture

Astrid van den Oetelaar
Associate – Leadership, culture & organisation

Astrid is a business economist specialising in organisational behaviour and marketing, with a focus on both people and results.
She enjoys working with clients to unlock the untapped potential of people and organisations, by getting to the core together and making that the source of new ambition, energy and momentum.
Willem Ledeboer
Associate

Willem helps organisations transition to a more sustainable business model and makes sure strategy is activated and implemented. He coaches C-suite leaders and brings first-hand experience as a supervisory board member at several companies. Willem facilitates leadership teams in their search for impact and relevance.
Loes de Boer
Data partner

Loes has a background in actuarial science and econometrics and is co-founder of Qultify, which specialises in organisational network analysis and other quantitative methods and techniques. Qultify uses data to turn these methods into practical insights for any organisational change. Whether it concerns culture change, diversity and inclusion, knowledge management or hybrid working: data makes change measurable.




