Complex sentence: Personal Chef's are often Chef's who have worked as Executive Chefs for restaurants or hotels that prefer the personal setting of intimate dinners but most personal chefs do not have culinary degrees but are excellent cooks.
Split into simpler sentences: Personal Chef's are often Chef's who have worked as Executive Chefs for restaurants or hotels that prefer the personal setting of intimate dinners. Most personal chefs do not have culinary degrees but are excellent cooks.