diff --git a/_layouts/default.html b/_layouts/default.html
index 2111fc1..1f41913 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -37,6 +37,12 @@
     <div class="container">
         <article itemscope itemtype="http://schema.org/Article">
             <h1 id="pagetitle" itemprop="name">{{ page.title }}</h1>
+            <div itemprop="author" itemscope itemtype="http://schema.org/Person">
+                <meta itemprop="givenName" content="Markus" />
+                <meta itemprop="familyName" content="Birth" />
+                <meta itemprop="birthDate" content="1980-11-16" />
+            </div>
+            <meta itemprop="articleSection" content="{{ page.categories.[0] }}" />
             <meta itemprop="keywords" content="{{ page.tags | join: ',' }}" />
             <meta itemprop="dateCreated" content="{{ page.created | date: '%Y-%m-%d' }}" />
             <meta itemprop="dateModified" content="{{ page.updated | date: '%Y-%m-%d' }}" />