Staff / Executive Board

John H. Hauser joined the George London Foundation in 2015 as the Artistic Director. From 2008 to 2015, he was the Director of the Rehearsal Department at the Metropolitan Opera. Prior to that, he collaborated with Matthew Epstein at CAMI, representing artists including James Morris, Isabel Leonard, Dimitri Pittas, Meredith Arwady, Mark Delavan, and Christine Schäfer.

He has served as the Associate Artistic Administrator at Lyric Opera of Chicago and spent 15 years at American Airlines as both a Purser and Manager in Flight Service. He studied vocal performance and opera at Southern Methodist University and The University of Cincinnati College-Conservatory of Music. In 2017, he was named the Executive Director of the foundation and joined the board. He succeeded Nora London as President in 2022.

Margarita Martinez joined the George London Foundation in 2017. She is a graduate of the Manhattan School of Music. An active choral artist, she has frequently appeared with the New York Philharmonic, the Mostly Mozart Festival, and the Orchestra of St. Luke's. She is a soloist at the Church of the Blessed Sacrament and Church of the Ascension.