diff --git a/src/data/members.ts b/src/data/members.ts
index d0b7845..3755a94 100644
--- a/src/data/members.ts
+++ b/src/data/members.ts
@@ -93,6 +93,7 @@ export const MEMBERS = {
     startYear: 2026,
     startSeason: 'Spring',
     affiliation: 'Bern University of Applied Sciences',
+    isAlumni: true,
   },
   haerilee: {
     firstName: 'Haeri',
@@ -141,6 +142,9 @@ export const MEMBERS = {
     affiliation: 'ROK.Army',
     startYear: 2026,
     startSeason: 'Winter',
+    endYear: 2026,
+    endSeason: 'Spring',
+    isAlumni: true,
   },
   yurilee: {
     firstName: 'Yuri',
@@ -164,6 +168,9 @@ export const MEMBERS = {
     affiliation: 'SNU',
     startYear: 2026,
     startSeason: 'Winter',
+    endYear: 2026,
+    endSeason: 'Spring',
+    isAlumni: true,
   },
   chanyoungpark: {
     firstName: 'Chanyoung',
@@ -483,6 +490,11 @@ export const MEMBERS = {
     img: 'gosuchoi.jpg',
     hoverImg: { HANBOK: 'members-hanbok/gosuchoi.png' },
     affiliation: 'KAIST',
+    startYear: 2024,
+    startSeason: 'Winter',
+    endYear: 2026,
+    endSeason: 'Spring',
+    isAlumni: true,
   },
   seungjukim: {
     firstName: 'Seungju',
diff --git a/tsconfig.json b/tsconfig.json
index ceefe45..072d0dd 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -16,7 +16,7 @@
     "resolveJsonModule": true,
     "forceConsistentCasingInFileNames": true,
     "isolatedModules": true,
-    "jsx": "react-jsx",
+    "jsx": "preserve",
     "incremental": true,
     "plugins": [
       {