01 - Pat the beef dry with paper towels and season all sides with salt and black pepper.
02 - Heat olive oil in a large skillet over medium-high heat and sear the beef on all sides until browned, about 2 to 3 minutes per side.
03 - Place the carrots, potatoes, celery, and onion in the bottom of the slow cooker.
04 - Position the seared beef roast on top of the vegetables.
05 - Sprinkle minced garlic, thyme, and rosemary over the beef, then add the bay leaves.
06 - Pour beef broth and Worcestershire sauce over the ingredients in the slow cooker.
07 - Cover and cook on LOW for 8 hours, or until the beef is fork-tender and vegetables are fully cooked.
08 - Remove bay leaves, shred or slice the beef, and serve with the vegetables and cooking juices.