If you want to start your own restaurant then make sure that you know the basics of cooking and presentation. You have to visit some restaurants too so that you will get different ideas about the food and ambiance. When you visit a famous restaurant, you will notice that they give a lot of emphasis on the presentation of the food. This is because when something looks good to your eyes, you will yearn to eat that. It will increase your hunger and the desire to eat more even though you were full. For your restaurant you can hire a Food stylist to make your food look more desirable. You may look at more info about this here:

Original work: When you start your restaurant, visit other restaurants but you have to be original. Do not copy the style of any other restaurant because when people detect that your work is not original then they will start disliking your work no matter how good it is. You have to be original in all the things, whether it is food, ambiance, quality or serving style.

Chef: You have to hire the best chef in order to get the success. But first you should know about cooking. If you do not know about anything or quantities required of different spices then you will never get the desired work from the chef. No matter how professional he is and in this way you will lose your money and you will unable to run your restaurant. 

Food stylist: Even though most of the chefs know about the basic styling of food but to make them exceptional you have to hire a professional food stylist. These professionals know more than just the styling. They know about the color combinations to make food more eye-catching. They know about making different kinds of sauces to stylize the food. They know about the correct selection of crockery for different foods. In short they know almost everything to make the food striking and that is the reason people want to hire them. You should hire the one which has a proper diploma in this field and if he has some experience then it will be a cherry on top. You should not be reluctant to hire someone with experience in this area.