diff --git a/demonstrations/braket-parallel-gradients.metadata.json b/demonstrations/braket-parallel-gradients.metadata.json
index fa6fc6a824..11e4e396e6 100644
--- a/demonstrations/braket-parallel-gradients.metadata.json
+++ b/demonstrations/braket-parallel-gradients.metadata.json
@@ -2,7 +2,7 @@
     "title": "Computing gradients in parallel with Amazon Braket",
     "authors": [
         {
-            "username": "tombromleyxanadu"
+            "username": "trbromley"
         },
         {
             "username": "mariaschuld"
@@ -12,7 +12,7 @@
         }
     ],
     "dateOfPublication": "2020-12-08T00:00:00+00:00",
-    "dateOfLastModification": "2024-08-06T00:00:00+00:00",
+    "dateOfLastModification": "2024-08-14T00:00:00+00:00",
     "categories": [
         "Devices and Performance"
     ],
diff --git a/demonstrations/ensemble_multi_qpu.metadata.json b/demonstrations/ensemble_multi_qpu.metadata.json
index 80eb3a5124..72a2d07692 100644
--- a/demonstrations/ensemble_multi_qpu.metadata.json
+++ b/demonstrations/ensemble_multi_qpu.metadata.json
@@ -2,11 +2,11 @@
     "title": "Ensemble classification with Rigetti and Qiskit devices",
     "authors": [
         {
-            "username": "tombromleyxanadu"
+            "username": "trbromley"
         }
     ],
     "dateOfPublication": "2020-02-14T00:00:00+00:00",
-    "dateOfLastModification": "2024-08-06T00:00:00+00:00",
+    "dateOfLastModification": "2024-08-14T00:00:00+00:00",
     "categories": [
         "Quantum Machine Learning"
     ],
diff --git a/demonstrations/tutorial_error_mitigation.metadata.json b/demonstrations/tutorial_error_mitigation.metadata.json
index fd6b96298e..8d798d2fcc 100644
--- a/demonstrations/tutorial_error_mitigation.metadata.json
+++ b/demonstrations/tutorial_error_mitigation.metadata.json
@@ -2,14 +2,14 @@
     "title": "Error mitigation with Mitiq and PennyLane",
     "authors": [
         {
-            "username": "tombromleyxanadu"
+            "username": "trbromley"
         },
         {
             "id": "andrea_mari"
         }
     ],
     "dateOfPublication": "2021-11-29T00:00:00+00:00",
-    "dateOfLastModification": "2024-08-06T00:00:00+00:00",
+    "dateOfLastModification": "2024-08-14T00:00:00+00:00",
     "categories": [
         "Algorithms",
         "Quantum Computing"
diff --git a/demonstrations/tutorial_qnn_module_tf.metadata.json b/demonstrations/tutorial_qnn_module_tf.metadata.json
index fc587502dc..cbc30864f2 100644
--- a/demonstrations/tutorial_qnn_module_tf.metadata.json
+++ b/demonstrations/tutorial_qnn_module_tf.metadata.json
@@ -2,11 +2,11 @@
     "title": "Turning quantum nodes into Keras Layers",
     "authors": [
         {
-            "username": "tombromleyxanadu"
+            "username": "trbromley"
         }
     ],
     "dateOfPublication": "2020-11-02T00:00:00+00:00",
-    "dateOfLastModification": "2024-08-06T00:00:00+00:00",
+    "dateOfLastModification": "2024-08-14T00:00:00+00:00",
     "categories": [
         "Devices and Performance",
         "Quantum Machine Learning"
diff --git a/demonstrations/tutorial_qnn_module_torch.metadata.json b/demonstrations/tutorial_qnn_module_torch.metadata.json
index dfd65177b5..c2e450df0d 100644
--- a/demonstrations/tutorial_qnn_module_torch.metadata.json
+++ b/demonstrations/tutorial_qnn_module_torch.metadata.json
@@ -2,11 +2,11 @@
     "title": "Turning quantum nodes into Torch Layers",
     "authors": [
         {
-            "username": "tombromleyxanadu"
+            "username": "trbromley"
         }
     ],
     "dateOfPublication": "2020-11-02T00:00:00+00:00",
-    "dateOfLastModification": "2024-08-06T00:00:00+00:00",
+    "dateOfLastModification": "2024-08-14T00:00:00+00:00",
     "categories": [
         "Devices and Performance",
         "Quantum Machine Learning"
diff --git a/demonstrations/vqe_parallel.metadata.json b/demonstrations/vqe_parallel.metadata.json
index 8ebd2ff56e..00ce53b7a0 100644
--- a/demonstrations/vqe_parallel.metadata.json
+++ b/demonstrations/vqe_parallel.metadata.json
@@ -2,11 +2,11 @@
     "title": "VQE with parallel QPUs with Rigetti",
     "authors": [
         {
-            "username": "tombromleyxanadu"
+            "username": "trbromley"
         }
     ],
     "dateOfPublication": "2020-02-14T00:00:00+00:00",
-    "dateOfLastModification": "2024-08-06T00:00:00+00:00",
+    "dateOfLastModification": "2024-08-14T00:00:00+00:00",
     "categories": [
         "Quantum Chemistry"
     ],