diff --git a/_data/authors.yml b/_data/authors.yml
new file mode 100644
index 0000000..f012012
--- /dev/null
+++ b/_data/authors.yml
@@ -0,0 +1,17 @@
+## Template › https://github.com/jekyll/jekyll-seo-tag/blob/master/docs/advanced-usage.md#setting-author-url
+# -------------------------------------
+# {author_id}:
+#   name: {full name}
+#   twitter: {twitter_of_author}
+#   url: {homepage_of_author}
+# -------------------------------------
+
+cotes:
+  name: Cotes Chung
+  twitter: cotes2020
+  url: https://github.com/cotes2020/
+
+sille_bille:
+  name: Dinesh Prasanth Moluguwan Krishnamoorthy
+  twitter: dinesh_MKD
+  url: https://github.com/SilleBille/
diff --git a/_layouts/post.html b/_layouts/post.html
index 48e1d75..e571d71 100644
--- a/_layouts/post.html
+++ b/_layouts/post.html
@@ -37,11 +37,11 @@ tail_includes:
 
   <!-- author -->
   <div>
-    {% capture author_name %}{{ page.author.name | default: site.social.name }}{% endcapture %}
+    {% capture author_name %}{{ site.data.authors[page.author].name | default: site.social.name }}{% endcapture %}
     {% assign author_link = nil %}
 
-    {% if page.author.link %}
-      {% assign author_link = page.author.link %}
+    {% if page.author %}
+      {% assign author_link = site.data.authors[page.author].url %}
     {% elsif author_name == site.social.name %}
       {% assign author_link = site.social.links[0] %}
     {% endif %}