diff --git a/config.toml b/config.toml
index 140439d..fdd088e 100644
--- a/config.toml
+++ b/config.toml
@@ -15,7 +15,7 @@ enableMissingTranslationPlaceholders = true
     title = "ÖzgürKon 2020"
     date = "2020-05-16"
     description = "ÖzgürKon is an online conference about free software and related topics such as hardware freedom, document freedom, Internet freedom etc. ÖzgürKon 2020's main theme is COVID-19 pandemic and freedom struggles"
-    images = ["/images/social-share.jpg"]
+    images = ["/images/tn.png"]
     email = "info@ozgurkon.org"
     keywords = "event, fsf, oyd, özgürkon, ozgurkon, free software, free, libre, open source, open, hardware, documentation, libre software, gpl, gnu"
     copyright = "©2020 Özgür Yazılım Derneği | CC BY-SA 4.0"
diff --git a/content/team/core/cemre.md b/content/team/core/cemre.md
index fd8f276..5515d93 100644
--- a/content/team/core/cemre.md
+++ b/content/team/core/cemre.md
@@ -4,7 +4,7 @@ type: core
 subtitle: Özgür Yazılım Derneği
 photo: cemre.jpg
 socials:
-  - link: 'https://twitter.com/cemredemircioglu'
+  - link: 'https://twitter.com/cemredemrcioglu'
     name: Twitter
 
 ---
diff --git a/content/team/core/nesli.md b/content/team/core/nesli.md
index a602e51..b50147e 100644
--- a/content/team/core/nesli.md
+++ b/content/team/core/nesli.md
@@ -4,7 +4,7 @@ type: core
 subtitle: Özgür Yazılım Derneği
 photo: nesli.jpg
 socials:
-  - link: 'https://twitter.com/neslihanturann'
+  - link: 'https://twitter.com/neslihannturan'
     name: Twitter
 
 ---
diff --git a/content/team/volunteers/tugrul.md b/content/team/volunteers/tugrul.md
new file mode 100644
index 0000000..70efa4e
--- /dev/null
+++ b/content/team/volunteers/tugrul.md
@@ -0,0 +1,12 @@
+---
+  title: Tuğrul Gençoğlu
+  type: volunteers
+  subtitle: Özgür Yazılım Derneği
+  photo: tugrul.jpg
+  socials:
+    - link: 'https://twitter.com/GencogluTugrul'
+      name: Twitter
+
+
+---
+
diff --git a/data/team.yml b/data/team.yml
index e3d2264..a60c22b 100644
--- a/data/team.yml
+++ b/data/team.yml
@@ -12,7 +12,7 @@
   subtitle: Özgür Yazılım Derneği
   photo: nesli.jpg
   socials:
-    - link: 'https://twitter.com/neslihanturann'
+    - link: 'https://twitter.com/neslihannturan'
       name: Twitter
   key: nesli
 
diff --git a/static/images/team/tugrul.jpg b/static/images/team/tugrul.jpg
new file mode 100644
index 0000000..ab81f5b
Binary files /dev/null and b/static/images/team/tugrul.jpg differ
diff --git a/static/tn.png b/static/tn.png
index c94caf9..23e67e4 100644
Binary files a/static/tn.png and b/static/tn.png differ
diff --git a/static/tn.svg.png b/static/tn.svg.png
deleted file mode 100644
index 23e67e4..0000000
Binary files a/static/tn.svg.png and /dev/null differ