A native St. Louisan and the dean of St. Louis guitar teachers, Alan Rosenkoetter was trained in Europe from 1964 to 1966 at the Schola Cantorum in Paris in courses under the direction of Presti/Lagoya and studied subsequently with the Italian protegé of Segovia, Oscar Ghiglia. He was a member of Mr. Ghiglia's first class at the Aspen festival in 1969. While in Paris he was also active in theater, working with the La Mama Theater Company and directors such as Ellen Stewart and Tom O'Horgan. He was involved in technical work as well as providing music for various productions. He also provided music for performances of "An Homage to Gertrude Stein" at the American Embassy. He began to teach while in Paris as well: at the École Mozart and at the American Center for Students and Artists.
Since returning to St. Louis he has taught at several area schools, notably Washington University, the University of Missouri-St. Louis and Southern Illinois University Edwardsville. He has performed in recitals and with various ensembles in the St. Louis area: the St. Louis Symphony Orchestra, Opera Theatre of St. Louis, including a tour in 1985, and string orchestras of University City, Kirkwood and Washington University. He has also given performances of a wide array of chamber music from Renaissance to Contemporary.
He received an AB in Music from Washington University, has taught at Southern Illinois University Edwardsville, and is currently a part of the music faculties of Washington University and the University of Missouri-St. Louis, and heads the guitar departments at both schools.