{"id":19881,"date":"2025-07-01T13:21:55","date_gmt":"2025-07-01T12:21:55","guid":{"rendered":"https:\/\/www.aanbestedingskalender.nl\/?post_type=speakers&#038;p=19881"},"modified":"2026-04-20T13:47:52","modified_gmt":"2026-04-20T12:47:52","slug":"esther-rijken","status":"publish","type":"speakers","link":"https:\/\/www.aanbestedingskalender.nl\/nl\/speakers\/esther-rijken\/","title":{"rendered":"Esther Rijken"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"19881\" class=\"elementor elementor-19881\" data-elementor-post-type=\"speakers\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5570ad1f e-flex e-con-boxed e-con e-parent\" data-id=\"5570ad1f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-19cb92c5 elementor-widget elementor-widget-text-editor\" data-id=\"19cb92c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"font-weight: 400;\">Esther Rijken is sinds september 2022 Strategisch Adviseur bij het Ministerie van Infrastructuur en Waterstaat. Voordat ze in deze rol startte, vertaalde ze als categoriemanager voor IenW Rijksbrede belangen naar effectieve (inkoop)strategie\u00ebn, onder meer voor de categorie\u00ebn &#8220;Inhuur Interimmanagement&#8221; en &#8220;Inhuur Juridische capaciteit&#8221;.<\/p><p style=\"font-weight: 400;\">Esther was ook een belangrijke mede-initiatiefnemer van Maatwerk voor Mensen, een innovatief project voor de doorontwikkeling van social return binnen de Rijksoverheid. De aanpak van dit project? Geen verplichte SROI (Social Return on Investment), maar een open dialoog met leveranciers om tot gezamenlijke invulling te komen.<\/p><p style=\"font-weight: 400;\">Haar kracht ligt in het samenbrengen van diverse partijen en belangen. Met respect voor ieders mening en een transparante communicatie, begeleidt Esther processen naar een gedragen en succesvol resultaat. Ze verdiept zich in argumenten en doelen, en treedt waar nodig coachend op.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Bruggenbouwer in strategische inkoop<\/p>\n","protected":false},"featured_media":19879,"template":"","categories":[139],"tags":[],"class_list":["post-19881","speakers","type-speakers","status-publish","has-post-thumbnail","hentry","category-sprekers-2"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Esther Rijken - ABK Website<\/title>\n<meta name=\"description\" content=\"Professor of Public Procurement bij Universiteit Utrecht, Principal Consultant bijSignificant Synergy, Co-head van UUCePP\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.aanbestedingskalender.nl\/nl\/speakers\/esther-rijken\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Esther Rijken - ABK Website\" \/>\n<meta property=\"og:description\" content=\"Professor of Public Procurement bij Universiteit Utrecht, Principal Consultant bijSignificant Synergy, Co-head van UUCePP\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.aanbestedingskalender.nl\/nl\/speakers\/esther-rijken\/\" \/>\n<meta property=\"og:site_name\" content=\"ABK Website\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-20T12:47:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.aanbestedingskalender.nl\/wp-content\/uploads\/2025\/07\/Esther-Rijken_round2.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1120\" \/>\n\t<meta property=\"og:image:height\" content=\"1120\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Geschatte leestijd\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minuut\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/speakers\\\/esther-rijken\\\/\",\"url\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/speakers\\\/esther-rijken\\\/\",\"name\":\"Esther Rijken - ABK Website\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/speakers\\\/esther-rijken\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/speakers\\\/esther-rijken\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Esther-Rijken_round2.png\",\"datePublished\":\"2025-07-01T12:21:55+00:00\",\"dateModified\":\"2026-04-20T12:47:52+00:00\",\"description\":\"Professor of Public Procurement bij Universiteit Utrecht, Principal Consultant bijSignificant Synergy, Co-head van UUCePP\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/speakers\\\/esther-rijken\\\/#breadcrumb\"},\"inLanguage\":\"nl-NL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/speakers\\\/esther-rijken\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"nl-NL\",\"@id\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/speakers\\\/esther-rijken\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Esther-Rijken_round2.png\",\"contentUrl\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Esther-Rijken_round2.png\",\"width\":1120,\"height\":1120},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/speakers\\\/esther-rijken\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Esther Rijken\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/#website\",\"url\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/\",\"name\":\"ABK Website\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"nl-NL\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/#organization\",\"name\":\"Aanbestedingskalender\",\"alternateName\":\"ABK\",\"url\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"nl-NL\",\"@id\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/ABK_logo_CMYK_2026_without_baseline_512x512.png\",\"contentUrl\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/ABK_logo_CMYK_2026_without_baseline_512x512.png\",\"width\":512,\"height\":512,\"caption\":\"Aanbestedingskalender\"},\"image\":{\"@id\":\"https:\\\/\\\/www.aanbestedingskalender.nl\\\/nl\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Esther Rijken - ABK Website","description":"Professor of Public Procurement bij Universiteit Utrecht, Principal Consultant bijSignificant Synergy, Co-head van UUCePP","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.aanbestedingskalender.nl\/nl\/speakers\/esther-rijken\/","og_locale":"nl_NL","og_type":"article","og_title":"Esther Rijken - ABK Website","og_description":"Professor of Public Procurement bij Universiteit Utrecht, Principal Consultant bijSignificant Synergy, Co-head van UUCePP","og_url":"https:\/\/www.aanbestedingskalender.nl\/nl\/speakers\/esther-rijken\/","og_site_name":"ABK Website","article_modified_time":"2026-04-20T12:47:52+00:00","og_image":[{"width":1120,"height":1120,"url":"https:\/\/www.aanbestedingskalender.nl\/wp-content\/uploads\/2025\/07\/Esther-Rijken_round2.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Geschatte leestijd":"1 minuut"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.aanbestedingskalender.nl\/nl\/speakers\/esther-rijken\/","url":"https:\/\/www.aanbestedingskalender.nl\/nl\/speakers\/esther-rijken\/","name":"Esther Rijken - ABK Website","isPartOf":{"@id":"https:\/\/www.aanbestedingskalender.nl\/nl\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.aanbestedingskalender.nl\/nl\/speakers\/esther-rijken\/#primaryimage"},"image":{"@id":"https:\/\/www.aanbestedingskalender.nl\/nl\/speakers\/esther-rijken\/#primaryimage"},"thumbnailUrl":"https:\/\/www.aanbestedingskalender.nl\/wp-content\/uploads\/2025\/07\/Esther-Rijken_round2.png","datePublished":"2025-07-01T12:21:55+00:00","dateModified":"2026-04-20T12:47:52+00:00","description":"Professor of Public Procurement bij Universiteit Utrecht, Principal Consultant bijSignificant Synergy, Co-head van UUCePP","breadcrumb":{"@id":"https:\/\/www.aanbestedingskalender.nl\/nl\/speakers\/esther-rijken\/#breadcrumb"},"inLanguage":"nl-NL","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.aanbestedingskalender.nl\/nl\/speakers\/esther-rijken\/"]}]},{"@type":"ImageObject","inLanguage":"nl-NL","@id":"https:\/\/www.aanbestedingskalender.nl\/nl\/speakers\/esther-rijken\/#primaryimage","url":"https:\/\/www.aanbestedingskalender.nl\/wp-content\/uploads\/2025\/07\/Esther-Rijken_round2.png","contentUrl":"https:\/\/www.aanbestedingskalender.nl\/wp-content\/uploads\/2025\/07\/Esther-Rijken_round2.png","width":1120,"height":1120},{"@type":"BreadcrumbList","@id":"https:\/\/www.aanbestedingskalender.nl\/nl\/speakers\/esther-rijken\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.aanbestedingskalender.nl\/nl\/"},{"@type":"ListItem","position":2,"name":"Esther Rijken"}]},{"@type":"WebSite","@id":"https:\/\/www.aanbestedingskalender.nl\/nl\/#website","url":"https:\/\/www.aanbestedingskalender.nl\/nl\/","name":"ABK Website","description":"","publisher":{"@id":"https:\/\/www.aanbestedingskalender.nl\/nl\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.aanbestedingskalender.nl\/nl\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"nl-NL"},{"@type":"Organization","@id":"https:\/\/www.aanbestedingskalender.nl\/nl\/#organization","name":"Aanbestedingskalender","alternateName":"ABK","url":"https:\/\/www.aanbestedingskalender.nl\/nl\/","logo":{"@type":"ImageObject","inLanguage":"nl-NL","@id":"https:\/\/www.aanbestedingskalender.nl\/nl\/#\/schema\/logo\/image\/","url":"https:\/\/www.aanbestedingskalender.nl\/wp-content\/uploads\/2026\/02\/ABK_logo_CMYK_2026_without_baseline_512x512.png","contentUrl":"https:\/\/www.aanbestedingskalender.nl\/wp-content\/uploads\/2026\/02\/ABK_logo_CMYK_2026_without_baseline_512x512.png","width":512,"height":512,"caption":"Aanbestedingskalender"},"image":{"@id":"https:\/\/www.aanbestedingskalender.nl\/nl\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.aanbestedingskalender.nl\/nl\/wp-json\/wp\/v2\/speakers\/19881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.aanbestedingskalender.nl\/nl\/wp-json\/wp\/v2\/speakers"}],"about":[{"href":"https:\/\/www.aanbestedingskalender.nl\/nl\/wp-json\/wp\/v2\/types\/speakers"}],"version-history":[{"count":3,"href":"https:\/\/www.aanbestedingskalender.nl\/nl\/wp-json\/wp\/v2\/speakers\/19881\/revisions"}],"predecessor-version":[{"id":28170,"href":"https:\/\/www.aanbestedingskalender.nl\/nl\/wp-json\/wp\/v2\/speakers\/19881\/revisions\/28170"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.aanbestedingskalender.nl\/nl\/wp-json\/wp\/v2\/media\/19879"}],"wp:attachment":[{"href":"https:\/\/www.aanbestedingskalender.nl\/nl\/wp-json\/wp\/v2\/media?parent=19881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.aanbestedingskalender.nl\/nl\/wp-json\/wp\/v2\/categories?post=19881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.aanbestedingskalender.nl\/nl\/wp-json\/wp\/v2\/tags?post=19881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}