Collaborative Pianist/Accompanists Susan LawrenceCollaborative Pianist Email: Susan.Lawrence@kzoo.eduSusan Lawrence Biography Mark PortoleseCollaborative Pianist / Violin Email: violiano225@gmail.com Mark Portolese’s Biography Christopher GrayCollaborative PianistEmail: christopher.t.gray@wmich.edu Christopher Gray’s Biography Wilson Casallas PalomoCollaborative PianistEmail: davidpianist94@gmail.com Wilson Casallas Palomo’s Biography