diff --git a/assets/events/2025-istanbul/organizers/can-gurdal.jpg b/assets/events/2025-istanbul/organizers/can-gurdal.jpg
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diff --git a/assets/events/2025-istanbul/organizers/nazlican-yavuz.jpg b/assets/events/2025-istanbul/organizers/nazlican-yavuz.jpg
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diff --git a/assets/events/2025-istanbul/organizers/saha-ozpinar.jpg b/assets/events/2025-istanbul/organizers/saha-ozpinar.jpg
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diff --git a/data/events/2025/istanbul/main.yml b/data/events/2025/istanbul/main.yml
index 162a5077d1c..32f5a3ea7ee 100644
--- a/data/events/2025/istanbul/main.yml
+++ b/data/events/2025/istanbul/main.yml
@@ -14,11 +14,12 @@ startdate: 2025-11-01T00:00:00+03:00
 enddate: 2025-11-01T23:59:59+03:00
 
 # Leave CFP dates blank if you don't know yet, or set all three at once.
-cfp_date_start:  # start accepting talk proposals.
-cfp_date_end:  # close your call for proposals.
+cfp_date_start: 2025-05-13T21:00:00+03:00  # start accepting talk proposals.
+cfp_date_end:  2025-07-13T21:00:00+03:00 # close your call for proposals.
 cfp_date_announce:  # inform proposers of status
 
-cfp_link: "" #if you have a custom link for submitting proposals, add it here. This will control the Propose menu item as well as the "Propose" button.
+
+cfp_link: "https://www.papercall.io/devopsdays-istanbul-2025" #if you have a custom link for submitting proposals, add it here. This will control the Propose menu item as well as the "Propose" button.
 
 registration_date_start: # start accepting registration. Leave blank if registration is not open yet. This will make the "Register" button appear on your "Welcome" page.
 registration_date_end: # close registration. Leave blank if registration is not open yet. If you set "registration_date_start" you need a value here.
@@ -83,14 +84,37 @@ team_members: # Name is the only required field for team members.
    - name: "Dogukan Turan"
      employer: "Innovance"
      image: "dogukan-turan.jpg"
+     email: "mail@dogukanturan.com"
      twitter: "imdotu"
      linkedin: "https://www.linkedin.com/in/dogukanturan/"
+    
+   - name: "Nazlican Yavuz"
+     employer: "Akbank"
+     image: "nazlican-yavuz.jpg"
+     linkedin: "https://www.linkedin.com/in/nazlicanyavuz/"
+  
+   - name: "Can Gurdal"
+     employer: "Huawei"
+     image: "can-gurdal.jpg"
+     email: "gurdalc19@gmail.com"
+     linkedin: "https://www.linkedin.com/in/gurdalc19"
+
+   - name: "Saha Baygul Ozpinar"
+     email: "saha@ozpinar.org"
+     image: "saha-ozpinar.jpg"
+      
 
 organizer_email: "istanbul@devopsdays.org" # Put your organizer email address here
 
 # List all of your sponsors here along with what level of sponsorship they have.
 # Check data/sponsors/ to use sponsors already added by others.
 sponsors:
+- id: akbank
+  level: platinum
+- id: aws
+  level: gold
+- id: kloia
+  level: gold
 
 sponsors_accepted : "yes" # Whether you want "Become a XXX Sponsor!" link
 
@@ -101,11 +125,8 @@ sponsors_accepted : "yes" # Whether you want "Become a XXX Sponsor!" link
 sponsor_levels:
   - id: gold
     label: Gold
-#    max: 10
+  - id: platinum
+    label: Platinum
   - id: silver
     label: Silver
     max: 0 # This is the same as omitting the max limit.
-  - id: bronze
-    label: Bronze
-  - id: community
-    label: Community