diff --git a/workflow_data_owner_review.ipynb b/workflow_data_owner_review.ipynb
new file mode 100644
index 0000000..0047702
--- /dev/null
+++ b/workflow_data_owner_review.ipynb
@@ -0,0 +1,170 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Import libraries and modules\n",
+    "\n",
+    "* Excecute (or Run) Cell"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import sys\n",
+    "import os\n",
+    "root_dir = os.path.abspath(os.curdir)\n",
+    "sys.path.append(root_dir)\n",
+    "\n",
+    "import src.metadata_review_lib as metadata_review_lib"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Step 1: initialize metadata review.\n",
+    "\n",
+    "* Specify hdf5 file whose metadata is to be reviewed by editing the string variable `hdf5_file_path`.\n",
+    "* Edit reviewer attributes, i.e., the dict variable `reviewer_attrs` with your own initials and role.\n",
+    "* Excecute Cell."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Create branch metadata-review-by-NG\n",
+      "\n"
+     ]
+    }
+   ],
+   "source": [
+    "\n",
+    "#hdf5_file_path = \"output_files/unified_file_smog_chamber_2024-03-25_UTC-OFST_+0100_NG.h5\"\n",
+    "#yml_file_path = \"output_files/unified_file_smog_chamber_2024-03-25_UTC-OFST_+0100_NG.yaml\"\n",
+    "\n",
+    "hdf5_file_path = \"output_files/unified_file_smog_chamber_2024-03-25_UTC-OFST_+0100_NG.h5\"\n",
+    "yml_file_path = \"output_files/unified_file_smog_chamber_2024-03-25_UTC-OFST_+0100_NG.yaml\"\n",
+    "\n",
+    "reviewer_attrs = {'initials': 'NG',\n",
+    "                  'type': 'data-owner'}\n",
+    "\n",
+    "#output_filename_path, output_yml_filename_path = hdf5_lib.main()\n",
+    "\n",
+    "review_yaml_file_path = metadata_review_lib.first_initialize_metadata_review(hdf5_file_path, reviewer_attrs)   \n",
+    "\n",
+    "print(review_yaml_file_path) "
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Step 2: Submit metadata review. \n",
+    "\n",
+    "* Edit yaml file in review folder and save changes\n",
+    "* Excecute Cell."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[data-owner-review-by-NG accb271] Submitted metadata review.\n",
+      " Committer: Florez Ospina Juan Felipe <juan.florez-ospina@psi.ch>\n",
+      "Your name and email address were configured automatically based\n",
+      "on your username and hostname. Please check that they are accurate.\n",
+      "You can suppress this message by setting them explicitly. Run the\n",
+      "following command and follow the instructions in your editor to edit\n",
+      "your configuration file:\n",
+      "\n",
+      "    git config --global --edit\n",
+      "\n",
+      "After doing this, you may fix the identity used for this commit with:\n",
+      "\n",
+      "    git commit --amend --reset-author\n",
+      "\n",
+      " 2 files changed, 3 insertions(+), 3 deletions(-)\n"
+     ]
+    }
+   ],
+   "source": [
+    "metadata_review_lib.second_submit_metadata_review(review_yaml_file_path,reviewer_attrs)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Step 3: Update hdf5 file metadata w/ submitted review yaml file.\n",
+    "\n",
+    "* Make sure previous step was carried out properly.\n",
+    "* Excecute Cell."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "\n",
+    "metadata_review_lib.third_update_hdf5_file_with_review(hdf5_file_path, review_yaml_file_path, reviewer_attrs)\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Step 4: Complete data-owner review. Update remote repository\n",
+    "\n",
+    "* Excecute Cell."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "metadata_review_lib.fourth_complete_metadata_review(reviewer_attrs)"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "test_atmos_chem_env",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.11.6"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
diff --git a/workflow_metadata_reviewer.ipynb b/workflow_metadata_reviewer.ipynb
new file mode 100644
index 0000000..709d82c
--- /dev/null
+++ b/workflow_metadata_reviewer.ipynb
@@ -0,0 +1,18 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "language_info": {
+   "name": "python"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}