Lightly oil grate. Place steak on grill and cook for 3 to 5 minutes per side or until desired doneness is reached. Remove from heat and let sit until cool enough to handle. Slice steak into bite size pieces.
In a small bowl, whisk together the olive oil, vinegar, lemon juice, garlic, salt, pepper and Worcestershire sauce. Mix in the cheese. Cover and place dressing in refrigerator.
Onto chilled plates arrange the lettuce, tomato, pepper, onion and olives. Top with steak and drizzle with dressing. Serve with crusty grilled French bread. Enjoy!