01 - Pat the beef roast dry with paper towels. Season generously with salt and black pepper on all sides.
02 - Heat olive oil in a large skillet over medium-high heat. Brown the beef roast evenly on all sides, about 3 to 4 minutes per side.
03 - Place carrots, potatoes, celery, and onion in an even layer at the bottom of the slow cooker.
04 - Set the seared beef roast atop the vegetables. Scatter minced garlic, rosemary, thyme, and bay leaves over the roast.
05 - Pour beef broth and Worcestershire sauce evenly over the roast and vegetables.
06 - Cover and cook on LOW for 8 hours, until the beef is tender and easily shredded with a fork.
07 - Remove bay leaves and herb stems. Slice or shred the roast and serve with the cooked vegetables and pan juices.