Marion Michielsen

Marion Susanne Michielsen (born 2 August 1985) is a Dutch-Swedish professional bridge player. At the annual World Bridge Federation (WBF) meet in October 2014, she played on teams that won two world championships. Thus she became a World Women Grand Master.

In the European Bridge League championships of both 2004 and 2005, she played on both the under-21 (Schools) and the under-26 women (Girls) Dutch teams.

In world championship competition, Michielsen was a member of two 6-person teams that won quadrennial tournaments at Sanya, China in October 2014, namely the World Mixed Teams Championship (teams of male–female pairs) and the McConnell Cup (women teams). She played in partnerships with Zia Mahmood and Meike Wortel respectively.

In 2013, she has relocated to Sweden and now aims to represent Sweden in the Bermuda Bowl.

Wins

 * World Bridge Series Women Teams (1) 2022
 * Buffett Cup (1) 2008
 * North American Bridge Championships (3)
 * Machlin Women's Swiss Teams (1) 2013
 * Sternberg Women's Board-a-Match Teams (2) 2012, 2013

Runners-up

 * North American Bridge Championships (4)
 * Wagar Women's Knockout Teams (2) 2008, 2013
 * Sternberg Women's Board-a-Match Teams (2) 2008, 2011