diff --git a/deployments/biology/config/common.yaml b/deployments/biology/config/common.yaml
index c1d6943fe..8cebf45fe 100644
--- a/deployments/biology/config/common.yaml
+++ b/deployments/biology/config/common.yaml
@@ -120,9 +120,6 @@ jupyterhub:
         mountPath: /etc/github/github-app-private-key.pem
         # data in secret file
 
-
-
-
     nodeSelector:
       hub.jupyter.org/pool-name: biology-pool
     storage:
@@ -143,3 +140,13 @@ jupyterhub:
       # users on the nodes. So we reduce the max amount of CPU available to them, from 7
       # (defined in hub/values.yaml) to 4.
       limit: 4
+
+    group_profiles:
+      # DataHub Infrastructure staff
+      # https://bcourses.berkeley.edu/courses/1524699/groups#tab-80607
+      course::1524699::group::all-admins:
+        admin: true
+
+      course::1537301: # MCELLBI 201B, https://github.com/berkeley-dsep-infra/datahub/issues/6385
+        mem_limit: 5120M
+        mem_guarantee: 5120M