Add Marcel to author list

data/contact.yaml

@@ -64,11 +64,11 @@ people: [
     href: "https://www.camilacorrea.com/",
     affil: "GRAPPA, University of Amsterdam",
     expertise: "Self-interacting dark matter",
-  },    {
-    name: Dr. Pedro Gonnet,
-    href: "https://scholar.google.com/citations?user=IqOpdUkAAAAJ&hl=en",
-    affil: "Google Switzerland",
-    expertise: "Task-based parallelism, Algorithms",
+  },
+  {
+    name: Dr. Marcel van Daalein,
+    affil: "Leiden Observatory",
+    href: "https://home.strw.leidenuniv.nl/~daalen/",
   },
   {
     name: Willem Elbers,
@@ -76,6 +76,12 @@ people: [
     href: "https://willemelbers.com/",
     expertise: "Cosmology, Neutrinos",
   },
+  {
+    name: Dr. Pedro Gonnet,
+    href: "https://scholar.google.com/citations?user=IqOpdUkAAAAJ&hl=en",
+    affil: "Google Switzerland",
+    expertise: "Task-based parallelism, Algorithms",
+  },
   {
     name: Dr. Loic Hausammann,
     href: "https://ethz.ch/staffnet/en/organisation/departments/it-services/people/person-detail.MzExMTAz.TGlzdC80NDI5LC04NTM1NzczMTQ=.html",