diff --git a/_data/data.yml b/_data/data.yml
index 8090bfae99d..f1445895fd6 100644
--- a/_data/data.yml
+++ b/_data/data.yml
@@ -18,7 +18,7 @@ sidebar:
     timezone: Asia/Seoul # Enter your timezone, e.g., America/Havana, Africa/Casablanca, America/North_Dakota/Center
     citizenship:
     website: # https://example.com/ # Include the full website URL, including "http://" or "https://".
-    linkedin: young-sun-park-13126b296
+    linkedin: young-sun-park-589242272
     xing: # alandoe
     github: ddspys
     telegram: # add your nickname without '@' sign
@@ -51,12 +51,10 @@ sidebar:
 career-profile:
     title: Career Profile
     summary: |
-      Summarise your career here lorem ipsum dolor sit amet, consectetuer
-      adipiscing elit. You can [download this free resume/CV template here]().
-      Aenean commodo ligula eget dolor aenean massa. Cum sociis natoque
-      penatibus et magnis dis parturient montes, nascetur ridiculus mus.
-      Donec quam felis, ultricies nec, pellentesque eu.
-      Second paragraph if required.
+      Hello, I am Park Young-sun, an engineer and prospective dentist who dreams of dental innovation.
+       I am studying various fields to create new values in the recent emerging trend of digital dentistry.
+        Based on data, I would like to achieve the meaning of Hongik Ingan(弘益人間, To Broadly Benefit Humanity/Devotion
+         to Human Welfare) through more precise, more convenient, and more universal treatment.
 education:
     title: Education
     info:
@@ -93,82 +91,39 @@ experiences:
           architecto beatae vitae dicta sunt explicabo.
             - Bullet point
             - Bullet point
-      - role: Senior Software Engineer
-        time: 2014 - 2015
-        company: Google, London
-        details: |
-          Describe your role here lorem ipsum dolor sit amet, consectetuer
-          adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa.
-          Cum sociis natoque penatibus et magnis dis parturient montes,
-          nascetur ridiculus mus. Donec quam felis, ultricies nec,
-          pellentesque eu, pretium quis, sem.
-            - Bullet point
-            - Bullet point
-      - role: UI Developer
-        time: 2012 - 2014
-        company: Amazon, London
-        details: |
-          Describe your role here lorem ipsum dolor sit amet, consectetuer
-          adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa.
-          Cum sociis natoque penatibus et magnis dis parturient montes,
-          nascetur ridiculus mus. Donec quam felis, ultricies nec,
-          pellentesque eu, pretium quis, sem.
-            - Bullet point
-            - Bullet point
+
 
 certifications:
       title: Certifications
       list:
-        - name: CV Builder
-          start: 2020
-          end: 2021
-          organization: Microsoft
-          credentialid: 111-222
-          credentialurl: www.google.com
-          credentialname: Google
+        - name: ADsP(Advanced Data Analytics Semi-Professional)
+          start: 2023
+          end: 2023
+          organization: Korea Data Agency
+          credentialid: 036015032
+          credentialurl: https://www.kdata.or.kr/
+          credentialname: ADsP
           details: |
-            Details about cert. Lorem ipsum dolor sit amet, consectetur
-            adipiscing elit.
-            Nullam eget orci purus. Nullam ultrices neque nibh.
-            Aenean fermentum, felis vulputate suscipit accumsan,
-            sem enim bibendum augue, sed convallis arcu lacus at dui.
-            Pellentesque et nibh suscipit, vestibulum turpis eu, semper tortor.
-            Praesent felis nibh, eleifend id eleifend id, dictum id enim.
-            Praesent venenatis erat non augue suscipit consectetur.
-
-            Second paragraph. Sed eleifend enim ante, vitae efficitur purus
-            fringilla vel. Ut euismod, sem sed vulputate venenatis,
-            justo diam viverra velit, sed rhoncus leo leo eu justo.
-            Suspendisse placerat risus ante, sed porta nisi blandit at.
-        - name: Git learning
-          start: 2019
+
+        - name: SQLD(SQL Developer)
+          start: 2023
           end:
-          organization: Microsoft
-          credentialid: 111-222
-          credentialurl: www.github.com
-          credentialname: Github
+          organization: Korea Data Agency
+          credentialid: 048016334
+          credentialurl: https://www.kdata.or.kr/
+          credentialname: SQLD
           details: |
-            Older certification. Lorem ipsum dolor sit amet, consectetur
-            adipiscing elit.
-            Nullam eget orci purus. Nullam ultrices neque nibh.
-            Aenean fermentum, felis vulputate suscipit accumsan,
-            sem enim bibendum augue, sed convallis arcu lacus at dui.
-            Pellentesque et nibh suscipit, vestibulum turpis eu, semper tortor.
-            Praesent felis nibh, eleifend id eleifend id, dictum id enim.
-            Praesent venenatis erat non augue suscipit consectetur.
+
 
 projects:
     title: Projects
-    intro: >
-      You can list your side projects in this
-      section. Lorem ipsum dolor sit amet, consectetur adipiscing elit.
-      Vestibulum et ligula in nunc bibendum fringilla a eu lectus.
+    intro: 
     assignments:
-      - title: Velocity
+      - title: Dental Automation
         link: "#hook"
         tagline: "A responsive website template designed to help startups promote, market and sell their products."
 
-      - title: DevStudio
+      - title: Question Bank Website by Shiny
         link: "#"
         tagline: "A responsive website template designed to help web developers/designers market their services."