Marijke Kalkman-Smit has extensive experience in contract and project management, currently serving as a Contractmanager and Adviseur omgevings- en contractmanagement bij cluster baggeren at Waterschap Hollandse Delta since May 2006. Previous roles include Omgevingsmanager, Coördinator project management office, Senior medewerker Grondzaken, and Medewerker Grondzaken within the same organization. Prior to this, Marijke worked at Woningstichting delta Wonen as an allround medewerker woondiensten from September 2000 to April 2006 and as a woonconsulent vastgoedmanagement at Van der Linden Groep from August 1996 to September 2000. Educational qualifications include studies from NCOI Opleidingen (2010-2012), APGM (2015), In Holland (1989-1990), and Chr. Scholengemeenschap De Populier (1976-1981).