diff --git a/src/datacustomcode/cli.py b/src/datacustomcode/cli.py
index 8f9d950..437674a 100644
--- a/src/datacustomcode/cli.py
+++ b/src/datacustomcode/cli.py
@@ -83,6 +83,7 @@ def zip(path: str):
 @click.option("--name", required=True)
 @click.option("--version", default="0.0.1")
 @click.option("--description", default="Custom Data Transform Code")
+@click.option("--profile", default="default")
 @click.option(
     "--cpu-size",
     default="CPU_2XL",
@@ -96,7 +97,9 @@ def zip(path: str):
 
     Choose based on your workload requirements.""",
 )
-def deploy(path: str, name: str, version: str, description: str, cpu_size: str):
+def deploy(
+    path: str, name: str, version: str, description: str, cpu_size: str, profile: str
+):
     from datacustomcode.credentials import Credentials
     from datacustomcode.deploy import TransformationJobMetadata, deploy_full
 
@@ -122,7 +125,7 @@ def deploy(path: str, name: str, version: str, description: str, cpu_size: str):
         computeType=COMPUTE_TYPES[cpu_size],
     )
     try:
-        credentials = Credentials.from_available()
+        credentials = Credentials.from_available(profile=profile)
     except ValueError as e:
         click.secho(
             f"Error: {e}",
@@ -192,7 +195,13 @@ def scan(filename: str, config: str, dry_run: bool, no_requirements: bool):
 @click.argument("entrypoint")
 @click.option("--config-file", default=None)
 @click.option("--dependencies", default=[], multiple=True)
-def run(entrypoint: str, config_file: Union[str, None], dependencies: List[str]):
+@click.option("--profile", default="default")
+def run(
+    entrypoint: str,
+    config_file: Union[str, None],
+    dependencies: List[str],
+    profile: str,
+):
     from datacustomcode.run import run_entrypoint
 
-    run_entrypoint(entrypoint, config_file, dependencies)
+    run_entrypoint(entrypoint, config_file, dependencies, profile)
diff --git a/src/datacustomcode/config.yaml b/src/datacustomcode/config.yaml
index 270640c..0ed02db 100644
--- a/src/datacustomcode/config.yaml
+++ b/src/datacustomcode/config.yaml
@@ -1,8 +1,12 @@
 reader_config:
   type_config_name: QueryAPIDataCloudReader
+  options:
+    credentials_profile: default
 
 writer_config:
   type_config_name: PrintDataCloudWriter
+  options:
+    credentials_profile: default
 
 spark_config:
   app_name: DC Custom Code Python SDK Testing
diff --git a/src/datacustomcode/credentials.py b/src/datacustomcode/credentials.py
index 1689512..d7db5e2 100644
--- a/src/datacustomcode/credentials.py
+++ b/src/datacustomcode/credentials.py
@@ -65,11 +65,11 @@ def from_env(cls) -> Credentials:
             ) from exc
 
     @classmethod
-    def from_available(cls) -> Credentials:
+    def from_available(cls, profile: str = "default") -> Credentials:
         if os.environ.get("SFDC_USERNAME"):
             return cls.from_env()
         if os.path.exists(INI_FILE):
-            return cls.from_ini()
+            return cls.from_ini(profile=profile)
         raise ValueError(
             "Credentials not found in env or ini file. "
             "Run `datacustomcode configure` to create a credentials file."
diff --git a/src/datacustomcode/io/reader/query_api.py b/src/datacustomcode/io/reader/query_api.py
index f41e767..b6b87fa 100644
--- a/src/datacustomcode/io/reader/query_api.py
+++ b/src/datacustomcode/io/reader/query_api.py
@@ -75,9 +75,11 @@ class QueryAPIDataCloudReader(BaseDataCloudReader):
 
     CONFIG_NAME = "QueryAPIDataCloudReader"
 
-    def __init__(self, spark: SparkSession) -> None:
+    def __init__(
+        self, spark: SparkSession, credentials_profile: str = "default"
+    ) -> None:
         self.spark = spark
-        credentials = Credentials.from_available()
+        credentials = Credentials.from_available(profile=credentials_profile)
 
         self._conn = SalesforceCDPConnection(
             credentials.login_url,
diff --git a/src/datacustomcode/io/writer/print.py b/src/datacustomcode/io/writer/print.py
index 7b9ffd4..87129d9 100644
--- a/src/datacustomcode/io/writer/print.py
+++ b/src/datacustomcode/io/writer/print.py
@@ -26,10 +26,17 @@ class PrintDataCloudWriter(BaseDataCloudWriter):
     CONFIG_NAME = "PrintDataCloudWriter"
 
     def __init__(
-        self, spark: SparkSession, reader: Optional[QueryAPIDataCloudReader] = None
+        self,
+        spark: SparkSession,
+        reader: Optional[QueryAPIDataCloudReader] = None,
+        credentials_profile: str = "default",
     ) -> None:
         super().__init__(spark)
-        self.reader = QueryAPIDataCloudReader(self.spark) if reader is None else reader
+        self.reader = (
+            QueryAPIDataCloudReader(self.spark, credentials_profile)
+            if reader is None
+            else reader
+        )
 
     def validate_dataframe_columns_against_dlo(
         self,
diff --git a/src/datacustomcode/run.py b/src/datacustomcode/run.py
index 031703b..f25136c 100644
--- a/src/datacustomcode/run.py
+++ b/src/datacustomcode/run.py
@@ -20,7 +20,10 @@
 
 
 def run_entrypoint(
-    entrypoint: str, config_file: Union[str, None], dependencies: List[str]
+    entrypoint: str,
+    config_file: Union[str, None],
+    dependencies: List[str],
+    profile: str,
 ) -> None:
     """Run the entrypoint script with the given config and dependencies.
 
@@ -28,7 +31,14 @@ def run_entrypoint(
         entrypoint: The entrypoint script to run.
         config_file: The config file to use.
         dependencies: The dependencies to import.
+        profile: The profile to use.
     """
+    if profile != "default":
+        if config.reader_config and hasattr(config.reader_config, "options"):
+            config.reader_config.options["credentials_profile"] = profile
+        if config.writer_config and hasattr(config.writer_config, "options"):
+            config.writer_config.options["credentials_profile"] = profile
+
     if config_file:
         config.load(config_file)
     for dependency in dependencies:
diff --git a/tests/test_credentials.py b/tests/test_credentials.py
index e9462e3..e2f1bcc 100644
--- a/tests/test_credentials.py
+++ b/tests/test_credentials.py
@@ -244,3 +244,70 @@ def test_update_ini_new_profile(self):
 
                 # Check that existing profile was not modified
                 assert mock_config["existing"]["username"] == "existing_user"
+
+    def test_from_available_with_custom_profile(self):
+        """Test that from_available uses custom profile when specified."""
+        ini_content = """
+        [default]
+        username = default_user
+        password = default_pass
+        client_id = default_client_id
+        client_secret = default_secret
+        login_url = https://default.login.url
+
+        [custom_profile]
+        username = custom_user
+        password = custom_pass
+        client_id = custom_client_id
+        client_secret = custom_secret
+        login_url = https://custom.login.url
+        """
+
+        with (
+            patch("datacustomcode.credentials.INI_FILE", "fake_path"),
+            patch("os.path.exists", return_value=True),
+            patch("builtins.open", mock_open(read_data=ini_content)),
+        ):
+            # Mock the configparser behavior for reading the file
+            mock_config = configparser.ConfigParser()
+            mock_config.read_string(ini_content)
+
+            with patch.object(configparser, "ConfigParser", return_value=mock_config):
+                # Test default profile
+                creds_default = Credentials.from_available()
+                assert creds_default.username == "default_user"
+                assert creds_default.login_url == "https://default.login.url"
+
+                # Test custom profile
+                creds_custom = Credentials.from_available(profile="custom_profile")
+                assert creds_custom.username == "custom_user"
+                assert creds_custom.password == "custom_pass"
+                assert creds_custom.client_id == "custom_client_id"
+                assert creds_custom.client_secret == "custom_secret"
+                assert creds_custom.login_url == "https://custom.login.url"
+
+    def test_from_available_fallback_to_default(self):
+        """Test that from_available falls back to default when no profile specified."""
+        ini_content = """
+        [default]
+        username = default_user
+        password = default_pass
+        client_id = default_client_id
+        client_secret = default_secret
+        login_url = https://default.login.url
+        """
+
+        with (
+            patch("datacustomcode.credentials.INI_FILE", "fake_path"),
+            patch("os.path.exists", return_value=True),
+            patch("builtins.open", mock_open(read_data=ini_content)),
+        ):
+            # Mock the configparser behavior for reading the file
+            mock_config = configparser.ConfigParser()
+            mock_config.read_string(ini_content)
+
+            with patch.object(configparser, "ConfigParser", return_value=mock_config):
+                # Test that no profile parameter defaults to "default"
+                creds = Credentials.from_available()
+                assert creds.username == "default_user"
+                assert creds.login_url == "https://default.login.url"
diff --git a/tests/test_run.py b/tests/test_run.py
index cadafd7..8f3f966 100644
--- a/tests/test_run.py
+++ b/tests/test_run.py
@@ -96,6 +96,7 @@ def test_run_entrypoint_preserves_config(test_config_file, test_entrypoint_file)
             entrypoint=test_entrypoint_file,
             config_file=test_config_file,
             dependencies=[],
+            profile="default",
         )
 
         # Check that config was maintained
@@ -180,6 +181,7 @@ def test_run_entrypoint_with_dependencies():
             entrypoint=entrypoint_file,
             config_file=config_file,
             dependencies=[module_name],
+            profile="default",
         )
 
         # Verify dependency was imported and used