diff --git a/requirements.txt b/requirements.txt
index acfef3f..d3eaa17 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-dandi==0.58.0
+dandi
 hdmf==3.6.1
 colorcet
 cellpose
@@ -8,6 +8,4 @@ ndx-photometry @ git+https://github.com/catalystneuro/ndx-photometry.git@7ea9d75
 ndx-depth-moseq @ git+https://github.com/catalystneuro/ndx-depth-moseq.git@main
 pyarrow
 neuroconv
-nwbwidgets
-nwbinspector
 pre-commit
diff --git a/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/convert_dataset.py b/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/convert_dataset.py
index bf3ce46..fece989 100644
--- a/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/convert_dataset.py
+++ b/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/convert_dataset.py
@@ -1,11 +1,14 @@
+import traceback
+import json
 from pathlib import Path
 from typing import Union
+from concurrent.futures import ProcessPoolExecutor, as_completed
+
+import pandas as pd
 from neuroconv.utils import load_dict_from_file
 from tqdm import tqdm
-import pandas as pd
-import yaml
-from datta_lab_to_nwb.markowitz_gillis_nature_2023.convert_session import session_to_nwb
-import shutil
+
+from datta_lab_to_nwb.markowitz_gillis_nature_2023.convert_session import _safe_session_to_nwb
 
 folder_name_to_experiment_type = {
     "_aggregate_results_arhmm_03": "reinforcement",
@@ -32,73 +35,131 @@
 }
 
 
-def dataset_to_nwb(
+def get_all_processed_uuids(
+    *,
     processed_path: Union[str, Path],
-    raw_dir_path: Union[str, Path],
     output_dir_path: Union[str, Path],
-    skip_sessions: set,
-    num_sessions: int = None,
-):
+) -> set:
     processed_path = Path(processed_path)
-    raw_dir_path = Path(raw_dir_path)
     output_dir_path = Path(output_dir_path)
-    output_dir_path.mkdir(parents=True, exist_ok=True)
+
+    uuid_file_path = output_dir_path.parent / "all_processed_uuids.txt"
+
+    if uuid_file_path.exists():
+        with open(file=uuid_file_path, mode="r") as io:
+            all_processed_uuids = set(json.load(fp=io))
+        return all_processed_uuids
 
     photometry_uuids = pd.read_parquet(
         processed_path / "dlight_raw_data/dlight_photometry_processed_full.parquet", columns=["uuid"]
     )
-    photometry_uuids = set(photometry_uuids["uuid"])
+    unique_photometry_uuids = set(photometry_uuids["uuid"])
+    del photometry_uuids
+
     reinforcement_uuids = pd.read_parquet(
         processed_path / "optoda_raw_data/closed_loop_behavior.parquet", columns=["uuid"]
     )
-    reinforcement_uuids = set(reinforcement_uuids["uuid"])
+    unique_reinforcement_uuids = set(reinforcement_uuids["uuid"])
+    del reinforcement_uuids
+
     velocity_uuids = pd.read_parquet(
         processed_path / "optoda_raw_data/closed_loop_behavior_velocity_conditioned.parquet", columns=["uuid"]
     )
-    velocity_uuids = set(velocity_uuids["uuid"])
-    all_processed_uuids = photometry_uuids.union(reinforcement_uuids).union(velocity_uuids)
+    unique_velocity_uuids = set(velocity_uuids["uuid"])
+    del velocity_uuids
+
+    all_processed_uuids = unique_photometry_uuids | unique_reinforcement_uuids | unique_velocity_uuids
+
+    with open(file=uuid_file_path, mode="w") as io:
+        json.dump(obj=list(all_processed_uuids), fp=io)
+    return all_processed_uuids
+
+
+def dataset_to_nwb(
+    *,
+    processed_path: Union[str, Path],
+    raw_dir_path: Union[str, Path],
+    output_dir_path: Union[str, Path],
+    skip_sessions: set,
+    number_of_jobs: int,
+    num_sessions_per_experiment: int = None,
+):
+    processed_path = Path(processed_path)
+    raw_dir_path = Path(raw_dir_path)
+    output_dir_path = Path(output_dir_path)
+
+    log_folder_path = output_dir_path.parent / "logs"
+    log_folder_path.mkdir(exist_ok=True)
+
+    missing_folder_path = output_dir_path.parent / "missing"
+    missing_folder_path.mkdir(exist_ok=True)
+
+    all_processed_uuids = get_all_processed_uuids(processed_path=processed_path, output_dir_path=output_dir_path)
+
     experimental_folders = [
-        folder for folder in raw_dir_path.iterdir() if folder.is_dir() and folder.name not in skip_experiments
+        folder
+        for folder in raw_dir_path.iterdir()
+        if folder.is_dir() and folder.name not in skip_experiments and folder.name.startswith("_")
     ]
-    for experimental_folder in tqdm(experimental_folders):
+    for experimental_folder in tqdm(iterable=experimental_folders, position=0, description="Converting experiments..."):
         experiment_type = folder_name_to_experiment_type[experimental_folder.name]
         session_folders = [
             folder for folder in experimental_folder.iterdir() if folder.is_dir() and folder.name not in skip_sessions
         ]
-        if num_sessions is None:
-            num_sessions = len(session_folders) + 1
+        if num_sessions_per_experiment is None:
+            num_sessions_per_experiment = len(session_folders) + 1
         session_num = 0
-        for session_folder in session_folders:
-            print(f"Processing {session_folder.name}")
-            results_file = session_folder / "proc" / "results_00.yaml"
-            results = load_dict_from_file(results_file)
-            session_uuid = results["uuid"]
-            if session_uuid not in all_processed_uuids:
-                continue
-            session_to_nwb(
-                session_uuid=session_uuid,
-                experiment_type=experiment_type,
-                processed_path=processed_path,
-                raw_path=session_folder,
-                output_dir_path=output_dir_path,
+
+        futures = list()
+        with ProcessPoolExecutor(max_workers=number_of_jobs) as executor:
+            for session_folder in session_folders:
+                error_identifier_base = f"{experimental_folder.name}_{session_folder.name}"
+
+                results_file = session_folder / "proc" / "results_00.yaml"
+
+                if not results_file.exists():
+                    (missing_folder_path / f"{error_identifier_base}.txt").touch()
+                    continue
+
+                results = load_dict_from_file(results_file)
+                session_uuid = results["uuid"]
+                if session_uuid not in all_processed_uuids:
+                    continue
+
+                futures.append(
+                    executor.submit(
+                        _safe_session_to_nwb,
+                        session_uuid=session_uuid,
+                        experiment_type=experiment_type,
+                        processed_path=processed_path,
+                        raw_path=session_folder,
+                        output_dir_path=output_dir_path,
+                        log_file_path=log_folder_path / f"{error_identifier_base}_{session_uuid}.txt",
+                    ),
+                )
+
+                session_num += 1
+                if session_num >= num_sessions_per_experiment:
+                    break
+
+            parallel_iterable = tqdm(
+                iterable=as_completed(futures), position=1, description="Converting sessionsin parallel..."
             )
-            session_num += 1
-            if session_num >= num_sessions:
-                break
+            for _ in parallel_iterable:
+                pass
 
 
 if __name__ == "__main__":
-    processed_path = Path("NWB/DattaConv/processed_data")
-    raw_dir_path = Path("NWB/DattaConv/raw_data")
-    output_dir_path = Path("NWB/DattaConv/conversion_output")
-    if output_dir_path.exists():
-        shutil.rmtree(
-            output_dir_path, ignore_errors=True
-        )  # ignore errors due to MacOS race condition (https://github.com/python/cpython/issues/81441)
+    number_of_jobs = 4
+
+    processed_path = Path("E:/Datta/dopamine-reinforces-spontaneous-behavior")
+    raw_dir_path = Path("E:/Datta")
+    output_dir_path = Path("E:/datta_output/files")
+
     skip_experiments = {
         "keypoint",  # no proc folder for keypoints
     }
-    skip_sessions = {
+    temporary_skip_sessions = {
         "session_20210420113646-974717",  # _aggregate_results_arhmm_photometry_excitation_pulsed_01: missing everything except depth video
         "session_20210309134748-687283",  # _aggregate_results_arhmm_excitation_03: missing everything except depth video
         "session_20210224083612-947426",  # _aggregate_results_arhmm_excitation_03: missing proc folder
@@ -120,5 +181,14 @@ def dataset_to_nwb(
         "session_20210429135801-758690",  # _aggregate_results_arhmm_09: missing everything except depth video
         "session_20191111130454-333065",  # _aggregate_results_arhmm_05: missing proc folder
         "session_20191111130847-263894",  # _aggregate_results_arhmm_05: missing proc folder
+        "session_20200720110309-817092",
+        "session_20210115130943-880998",
     }
-    dataset_to_nwb(processed_path, raw_dir_path, output_dir_path, skip_sessions, num_sessions=1)
+    dataset_to_nwb(
+        processed_path=processed_path,
+        raw_dir_path=raw_dir_path,
+        output_dir_path=output_dir_path,
+        skip_sessions=temporary_skip_sessions,
+        number_of_jobs=number_of_jobs,
+        num_sessions_per_experiment=1,
+    )
diff --git a/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/convert_session.py b/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/convert_session.py
index 5ffc1ae..e7e177f 100644
--- a/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/convert_session.py
+++ b/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/convert_session.py
@@ -1,18 +1,42 @@
 """Primary script to run to convert an entire session for of data using the NWBConverter."""
-# Standard Library
-from pathlib import Path
 import shutil
+import traceback
+from pathlib import Path
 from typing import Union, Literal
 
-# Third Party
 from neuroconv.utils import dict_deep_update, load_dict_from_file
 from pynwb import NWBHDF5IO
 
-# Local
 from datta_lab_to_nwb.markowitz_gillis_nature_2023.postconversion import reproduce_fig1d
 from datta_lab_to_nwb.markowitz_gillis_nature_2023.nwbconverter import DattaNWBConverter
 
 
+def _safe_session_to_nwb(
+    *,
+    session_uuid: str,
+    processed_path: Union[str, Path],
+    raw_path: Union[str, Path],
+    output_dir_path: Union[str, Path],
+    experiment_type: Literal["reinforcement", "photometry", "reinforcement-photometry", "velocity-modulation"],
+    log_file_path: Path,
+    processed_only: bool = False,
+    stub_test: bool = False,
+):
+    try:
+        session_to_nwb(
+            session_uuid=session_uuid,
+            processed_path=processed_path,
+            raw_path=raw_path,
+            output_dir_path=output_dir_path,
+            experiment_type=experiment_type,
+            processed_only=processed_only,
+            stub_test=stub_test,
+        )
+    except Exception as exception:
+        with open(file=log_file_path, mode="w") as io:
+            io.write(f"{type(exception)}: {str(exception)}\n\n{traceback.format_exc()}")
+
+
 def session_to_nwb(
     session_uuid: str,
     processed_path: Union[str, Path],
@@ -139,7 +163,9 @@ def session_to_nwb(
     metadata = dict_deep_update(metadata, paper_metadata)
 
     # Run conversion
-    converter.run_conversion(metadata=metadata, nwbfile_path=nwbfile_path, conversion_options=conversion_options)
+    converter.run_conversion(
+        metadata=metadata, nwbfile_path=nwbfile_path, conversion_options=conversion_options, overwrite=True
+    )
 
 
 if __name__ == "__main__":
diff --git a/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/optogeneticinterface.py b/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/optogeneticinterface.py
index a26efda..cc8c150 100644
--- a/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/optogeneticinterface.py
+++ b/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/optogeneticinterface.py
@@ -115,6 +115,12 @@ def add_to_nwbfile(self, nwbfile: NWBFile, metadata: dict, velocity_modulation:
             ],
         )
 
+        # Reconstruct optogenetic series from feedback status
+        if pd.isnull(metadata["Optogenetics"]["stim_frequency_Hz"]):  # cts stim
+            data, timestamps = self.reconstruct_cts_stim(metadata, session_df, session_timestamps)
+        else:  # pulsed stim
+            data, timestamps = self.reconstruct_pulsed_stim(metadata, session_df, session_timestamps)
+
         device = nwbfile.create_device(
             name="OptoEngineMRL",
             description="Optogenetic stimulator (Opto Engine MRL-III-635; SKU: RD-635-00500-CWM-SD-03-LED-0)",
@@ -127,11 +133,6 @@ def add_to_nwbfile(self, nwbfile: NWBFile, metadata: dict, velocity_modulation:
             excitation_lambda=635.0,
             location=metadata["Optogenetics"]["area"],
         )
-        # Reconstruct optogenetic series from feedback status
-        if pd.isnull(metadata["Optogenetics"]["stim_frequency_Hz"]):  # cts stim
-            data, timestamps = self.reconstruct_cts_stim(metadata, session_df, session_timestamps)
-        else:  # pulsed stim
-            data, timestamps = self.reconstruct_pulsed_stim(metadata, session_df, session_timestamps)
         id2sorted_index = metadata["BehavioralSyllable"]["id2sorted_index"]
         target_syllables = [id2sorted_index[syllable_id] for syllable_id in metadata["Optogenetics"]["target_syllable"]]
         ogen_series = OptogeneticSeries(
diff --git a/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/rawfiberphotometryinterface.py b/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/rawfiberphotometryinterface.py
index fd76cd8..1fbb2fb 100644
--- a/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/rawfiberphotometryinterface.py
+++ b/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/rawfiberphotometryinterface.py
@@ -132,7 +132,7 @@ def add_to_nwbfile(self, nwbfile: NWBFile, metadata: dict) -> None:
             ),
             data=H5DataIO(commanded_signal, compression=True),
             frequency=metadata["FiberPhotometry"]["signal_freq"],
-            power=metadata["FiberPhotometry"]["signal_amp"],  # TODO: Fix this in ndx-photometry
+            power=float(metadata["FiberPhotometry"]["signal_amp"]),  # TODO: Fix this in ndx-photometry
             timestamps=H5DataIO(timestamps, compression=True),
             unit="volts",
         )
@@ -144,7 +144,7 @@ def add_to_nwbfile(self, nwbfile: NWBFile, metadata: dict) -> None:
             ),
             data=H5DataIO(commanded_reference, compression=True),
             frequency=metadata["FiberPhotometry"]["reference_freq"],
-            power=metadata["FiberPhotometry"]["reference_amp"],  # TODO: Fix this in ndx-photometry
+            power=float(metadata["FiberPhotometry"]["reference_amp"]),  # TODO: Fix this in ndx-photometry
             timestamps=commanded_signal_series.timestamps,
             unit="volts",
         )
diff --git a/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/requirements.txt b/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/requirements.txt
deleted file mode 100644
index 458b8a2..0000000
--- a/src/datta_lab_to_nwb/markowitz_gillis_nature_2023/requirements.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-nwb-conversion-tools==0.11.1   # Example of specific pinned dependecy
-some-extra-package==1.11.3  # Example of another extra package that's necessary for the current conversion
-roiextractors @ git+https://github.com/catalystneuro/roiextractors.git@8db5f9cb3a7ee5efee49b7fd0b694c7a8105519a # Github pinned dependency