Mariska Seijsener

Mariska Seijsener

Boer & Croon Partner

Mariska will be focusing on further developing the Young Executive Management (YEM) proposition, which, since its launch over 20 years ago, has managed to build a strong position in the market for young professionals and junior managers. Seijsener will concentrate on attracting new clients and segments. ‘I was struck by the energy, enthusiasm and talent of the alumni and Young Executives and Young Managers I spoke with, and was also really impressed by the management development programme. The challenge for me is in further developing the concept and, in particular, raising the proposition’s profile among clients. It’s something I’m really excited about.’

Before Boer & Croon Mariska worked as a consultant for more than 10 years. At KPMG, she was part of the Shared Services & Outsourcing Advisory practice for around 18 months, after having been employed in the Financial Management department – both divisions of KPMG Consulting. Before joining KPMG, Mariska worked for the financial consultancy firm ConQuaestor* for more than five years.

During her tenure as a consultant, she acquired extensive experience with projects related to sourcing, shared services, financial conversions, purchasing, supply chain and organisational design – ranging from setting strategies and design to implementation and change management. Her former clients include the likes of TNT Post, Auping, Getronics, NS Dutch Railways, Philips and Schiphol Airport. Mariska began her career at Dutch fashion label G-Star (known primarily for its jeans), where she was involved in new business development and in implementing the franchise format in new territories, both in the Netherlands and internationally.


Boer & Croon

  • Private & Public Sector
  • Public Transport
  • Organisational consultancy and implementation related to Financial Management, Shared Services and Sourcing.

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