Quick answer — Shun Saeki worked on Food Wars! The Second Plate (Original Character Design), Food Wars! (Original Character Design), Food Wars! The Third Plate (Original Character Design) and 7 more anime.
Shun Saeki worked on Food Wars! The Second Plate (Original Character Design), Food Wars! (Original Character Design), Food Wars! The Third Plate (Original Character Design), Food Wars! The Third Plate: Totsuki Train Arc (Original Character Design), Food Wars! The Fourth Plate (Original Character Design), Food Wars! The Second Plate OVA (Original Character Design), Food Wars! The Fifth Plate (Original Character Design), Food Wars! The Third Plate: Erina at Polar Star Dormitory (Original Character Design) and 2 more.