Satoshi Isshiki is a 91st Generation student of Totsuki Culinary Academy, a resident of Polar Star Dormitory and the current 7th seat of the Elite Ten Council.

    Satoshi is a benevolent senpai in Polar Star Dormitory and also a representative of the the dormitory. He cares deeply for his kouhai in the Polar Star Dormitory and often sticks out for them as many of the dorm residents are some of the best chefs in the Academy. During the 92nd Tōtsuki Friendship and Rapport Training, Satoshi had a nightmare regarding the results of the camp, worried that they all would change dramatically and that Zenji literally did not survive the camp. At times he is comical and silly especially while he's in the dormitory, usually walking around nude or in very little clothing as a gag in the dorm. However, this may be more of a natural habit as he often works in the field with only an fundoshi on and even sleeps naked. His carefree attitude makes his well liked by the residents of Polar Star and they all enjoy being around him.

    Behind his benevolence and slack personality however, Satoshi can be serious and cunning whenever he is challenged. During causal challenges, he holds back to preserve and hide his true skill from other gifted chefs. His pure focus and strong tenacity made him one of the Elite 10 champions due to not only his professional and cooking skills, but also his cunning strategy to which surpassed even the harsh situation had befall against him. Despite this though, he is unwilling to challenge a Polar Star kouhai to prevent them from leaving the school as a result of a Shokugeki, as shown by Sōma's declaration to Satoshi.

From Wikia (read more)