update members

jxchen01 · jxchen01 · commit e2f116a02718 · 2025-11-16T11:56:16.000+01:00
diff --git a/_members/adrian-sebuliba.md b/_members/adrian-sebuliba.md
@@ -2,7 +2,7 @@
 name: Adrian Morgan Sebuliba
 image: images/unknow.png
 description: Software Engineer
-role: programmer
+role: programmer_past
 aliases:
   - A. Sebuliba
   - Adrian
@@ -12,4 +12,4 @@ links:
   twitter: TBA
 ---
 
-under construction
+Adrian was a software engineer at AMBIOM and built the early prototype of AMBIOM data portal.
diff --git a/_members/kathrin-krieger.md b/_members/kathrin-krieger.md
@@ -2,7 +2,7 @@
 name: Kathrin Krieger
 image: images/unknow.png
 description: Postdoc Researcher
-role: postdoc
+role: postdoc_past
 aliases:
   - K. Krieger
   - Kathrin
diff --git a/_members/lukas-johanns.md b/_members/lukas-johanns.md
@@ -0,0 +1,13 @@
+---
+name: Lukas Johanns
+image: images/unknow.png
+description: Ph.D. Researcher
+role: phd
+aliases:
+  - L. Johanns
+  - Lukas
+links:
+  email: lukas.johanns@isas.de
+---
+
+TBA
diff --git a/_members/ye-zhang.md b/_members/ye-zhang.md
@@ -2,7 +2,7 @@
 name: Ye Zhang
 image: images/unknow.png
 description: Visiting Scholar
-role: visit
+role: visit_past
 aliases:
   - Y. Zhang
   - Ye
