01 - Pat the beef dry with paper towels and season all sides generously with salt and pepper.
02 - Heat olive oil in a large skillet over medium-high heat. Sear the roast on all sides until browned, about 3–4 minutes per side.
03 - Place carrots, potatoes, celery, and onion in the bottom of the slow cooker.
04 - Position the seared beef on top of the vegetables in the slow cooker.
05 - Scatter minced garlic, rosemary, thyme, and bay leaves over the roast and vegetables.
06 - Pour beef broth and Worcestershire sauce evenly over the contents.
07 - Cover and cook on LOW for 8 hours, until the beef is very tender and easily shredded with a fork.
08 - Discard bay leaves and herb stems. Slice or shred the beef and serve alongside the vegetables and cooking juices.