​Marie Hadley Robinson earned her Doctor of Music and Master of Music degrees from Florida State University where she studied with Elena Nikolaide and Yvonne Ciannella. She earned a Bachelor of Science in Music Education at Florida A&M University. There she studied with Dr. Rebecca Steele. Her awards include prizes in the VI Internacional de Canto, the Palm Beach Opera and the Diuguid Fellowship Award. Her recent awards include membership into Phi Kappa Phi Honor Society and Delta Alpha German Honor Society. Dr. Robinson serves on the boards of the Delaware Valley Chorale, the Newark Symphony Orchestra, and the National Opera Association, where she is chairperson for the Legacy Fund.

Dr. Robinson is an associate professor of voice and opera at the University of Delaware. At the UD, she has co-directed The Medium, Gianni Schiccihi, Trial by Jury, and The Secret Marriage. During the fall of 2002, she produced the Marriage of Figaro with Leland Kimball as director and Patrick Evans as musical director.

Dr. Robinson made her operatic debut as Aida with the Graz Opera, where she was principal soloist for three years. During her tenure at Graz, she was hailed by critics as "the finest Tosca of her generation." Also at Graz, she became the first soprano of her race to portray the role of Sieglinda in Die Walkuere in a state performance anywhere in the world. Subsequent engagements took her to Vienna, Munich, Berlin, Frankfurt, Prague, Kassel, Zurich and a tour of Japan with the Deutsche Staatsoper Berlin. She also was principal soloist for five years with the National Theatre Mannheim. Her repertoire includes 33 major roles, and she has appeared in forty-two companies in Eastern and Western Europe as well as in South America.

In the United States, Dr. Robinson has performed with Michigan Opera Theater, Los Angeles Opera Theater and the Columbus, Cleveland, Toledo and Omaha operas and Opera Ebony. Dr. Robinson has appeared in recitals at Shenandoah University, Florida A&M University, the University of Iowa and the Kennedy Center in Washington, D.C., where she was the soprano soloist in Verdi's Requiem and Poulenc's Gloria with the Paul Hill Chorale and the Washington Oratorio Society. With Opera Ebony, she sang in the concert version of Fosca by Brazilian composer Carlos Gomes in New York and with the Saskatchewan Symphony in Saskatoon, Canada a concert version of Porgy and Bess. She has also sung Bess twice at Longwood Gardens in Pennsylvania with William Warfield and Raemond Martin and the Kennett Symphony Orchestra. Most recently, Dr. Robinson performed the role of Aida with Opera International in Mexico, Hong Kong, Marseille and Lyon, and with OperaDelaware. ​