[2][3] Original head chef Curtis Duffy and his business partner Michael Muser opened Grace in December 2012.

Duffy had previously worked at Charlie Trotter’s and was chef de cuisine at Alinea when it opened in 2004.

In the years prior to opening Grace, he maintained a two star Michelin rating while the head chef at Avenues in the Peninsula Hotel until closing the restaurant in 2011.

[10] As of late 2016, Grace edged out Alinea as Chicago's most expensive restaurant and one of the most costly in the United States.

[11] In December 2017, Duffy and Muser abruptly left Grace after its investor and owner Michael Olszewski rejected their offer to buy the restaurant.