diff --git a/netspresso/__init__.py b/netspresso/__init__.py
index 33f72544..558504da 100644
--- a/netspresso/__init__.py
+++ b/netspresso/__init__.py
@@ -1,6 +1,19 @@
+import sys
 from pathlib import Path
 
-from .netspresso import NPQAI, NetsPresso
+from loguru import logger
+
+# Configure logger format FIRST, before importing other modules
+# This ensures the custom format is applied before any module uses logger
+logger.remove()
+logger.add(
+    sys.stderr,
+    format="<green>{time:YYYY-MM-DD HH:mm:ss.SSS}</green> | <level>{level: <8}</level> | - <level>{message}</level>",
+    level="INFO",
+    colorize=True,
+)
+
+from .netspresso import NPQAI, NetsPresso  # noqa: E402
 
 __all__ = ["NetsPresso", "NPQAI"]