Design of a new 5-story, 118,000 SF corporate office headquarters for National Interstate Insurance located on a sloped site in Richfield, Ohio. The lower level of the building includes a fitness room with a yoga studio, an activity / game room, and a 33 space parking garage. On the 2nd floor, there is a 290-seat cafeteria with coffee shop / cafe that leads to an outdoor balcony as well as a patio. This project also includes pedestrian bridges to the existing adjacent buildings, a 2-story atrium, and a 5th level executive conference room with outdoor balcony. This project was designed in three separate phases including site and foundations, shell building, and building interiors.