update w arjun new position (#70)

* update w arjun new position

* fix JSON layout

Author: jbloom

people/alumni.js

@@ -105,6 +105,13 @@ export const alumni = [
     end: "2015",
     currentPosition: "Senior Scientist at Sonoma Biotherapeutics",
   },
+  {
+    name: "Arjun Aditham",
+    title: "Postdoc",
+    start: "2022",
+    end: "2025",
+    currentPosition: "Senior Scientist I at SystImmune",
+  },
   {
     name: "Tal Einav",
     title: "Postdoc",