diff --git a/content/speakers/chris.md b/content/speakers/chris.md
index 3ea2295..057cad4 100644
--- a/content/speakers/chris.md
+++ b/content/speakers/chris.md
@@ -8,8 +8,8 @@ city: 'Istanbul, Turkey'
 photoURL: /images/speakers/cs.jpeg
 socials:
   - icon: twitter
-    link: 'https://twitter.com/chrisjstephenson'
-    name: chrisjstephenson
+    link: 'https://twitter.com/chrisjstephensn'
+    name: chrisjstephensn
 ---
 * 1960'lardan bu yana bilgisayar bilimleri/matematik alanlarında çalışmıştır.
 * Liseden mezun olduktan sonra bir dönem IBM'de çalışmıştır.
diff --git a/content/speakers/derya.md b/content/speakers/derya.md
new file mode 100644
index 0000000..b31b40a
--- /dev/null
+++ b/content/speakers/derya.md
@@ -0,0 +1,20 @@
+---
+key: derya
+name: Derya Sezen
+id: D1UJEdrxhHQowlM2LoIusKF26ir2
+feature: true
+company: 'Docker Community, Kloia'
+city: 'London'
+photoURL: /images/speakers/derya.jpg
+socials:
+  - icon: twitter
+    link: 'https://twitter.com/derya_sezen'
+    name: derya_sezen
+---
+Derya, also knows as Dorian, is working in Software Industry from 2003. He has been geeky with computers at age 13 and began programming with GW-Basic at that age. He jumped into Linux after 1999 and gained IBM Scholar Challenge 2002 with his Linux Embedded Security Device.
+
+He is holding a Bachelor degree on Computer Engineering from Galatasaray University, M.Sc. System and Control Engineering from Bogazici University and MBA from Heriot-Watt University.
+
+He has worked as Solution Architect and System Administrator at Turkcell Superonline, Technology Director at Credit Europe Bank and CTO at Ciceksepeti. He is currently working as Cloud and DevOps Consultant at kloia where he was one of the founder. 
+
+He is also DevOpsDays organizer and one of the Docker Community Leader.
diff --git a/content/speakers/fatih.md b/content/speakers/fatih.md
new file mode 100644
index 0000000..6a054eb
--- /dev/null
+++ b/content/speakers/fatih.md
@@ -0,0 +1,14 @@
+---
+key: fatih
+name: Fatih Kadir Akın
+id: D1UJEdrxhHQowlM2LoIusKF26ir2
+feature: true
+company: 'Javascript Developer'
+city: 'İstanbul'
+photoURL: /images/speakers/fatih.jpg
+socials:
+  - icon: twitter
+    link: 'https://twitter.com/fkadev'
+    name: fkadev
+---
+Javascript Developer
diff --git a/content/speakers/netha.md b/content/speakers/netha.md
new file mode 100644
index 0000000..a43e6cf
--- /dev/null
+++ b/content/speakers/netha.md
@@ -0,0 +1,14 @@
+---
+key: netha
+name: Netha Hussain
+id: D1UJEdrxhHQowlM2LoIusKF26ir2
+feature: true
+company: 'University of Gothenburg'
+city: 'Sweden'
+photoURL: /images/speakers/netha.jpg
+socials:
+  - icon: twitter
+    link: 'https://twitter.com/nethahussain/'
+    name: nethahussain
+---
+Netha Hussain (User:Netha Hussain on Wikimedia) is a physician and researcher. She is currently pursuing her PhD in clinical neuroscience at University of Gothenburg, Sweden. She is an active contributor on Wikipedia, Wikidata and Wikimedia Commons in English and Malayalam languages. She mostly contributes to topics related to medicine, healthcare, women's biographies on Wikipedia. She has organized outreach events for increasing the diversity of participation of the Wikimedia movement and created GLAM partnerships for content donation to Wikimedia. She is currently a member of the editorial board of WikiJournal of Medicine.
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