In 1991, Willis showed new work at the Andre Emmerich Gallery, NYC, in an exhibition entitled Abstract Painting: the 90’s where art critic Barbara Rose chose to revisit certain painters from the 80s show.
A one-person exhibition of large scale Triangle paintings and oil stick on paper followed in 1993, at the Andre Zarre Gallery  where the artist employed a tight grid overridden by gesture and a plastic color palette.
In the 2001 catalogue essay for Painted in New York City: The Presence of the Past, art critic Robert C. Morgan noted Willis's Abstract Expressionist roots and the newer element of restraint.

In 2005, Willis teamed up with fellow painter, James Little  for a two-person show in Williamsburg, Brooklyn at the Sideshow Gallery working with owner-painter, Richard Timperio.
Since 2007, Willis has shown with the Elizabeth Harris Gallery in New York City, with one-person exhibitions in 2007, 2009 and 2011.
Willis has sustained a long-term relationship with art dealer Harris begun in 1980 when she co-founded Oscarsson Hood Gallery, on 57th street.
In 1991, Willis showed new work at the Andre Emmerich Gallery, NYC, in an exhibition entitled Abstract Painting: the 90’s where art critic Barbara Rose chose to revisit certain painters from the 80s show. A one-person exhibition of large scale Triangle paintings and oil stick on paper followed in 1993, at the Andre Zarre Gallery  where the artist employed a tight grid overridden by gesture and a plastic color palette. In the 2001 catalogue essay for Painted in New York City: The Presence of the Past, art critic Robert C. Morgan noted Willis's Abstract Expressionist roots and the newer element of restraint.
In 2005, Willis teamed up with fellow painter, James Little  for a two-person show in Williamsburg, Brooklyn at the Sideshow Gallery working with owner-painter, Richard Timperio. Since 2007, Willis has shown with the Elizabeth Harris Gallery in New York City, with one-person exhibitions in 2007, 2009 and 2011. Willis has sustained a long-term relationship with art dealer Harris begun in 1980 when she co-founded Oscarsson Hood Gallery, on 57th street.
Thornton Willis