John H. Hauser, President, 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 and joined the board. He succeeded Nora London as President in 2022. He was born and raised in Indianapolis, Indiana.

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

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Executive Board

John H. Hauser,
​President
Marina London,
Vice President
Eric Wollberg,
Treasurer
Marc D. London,
Secretary

​Nora E. London,
President, 1990-2022

Susan Appel
Harolyn Blackwell
Richard Gaddes
​Andrew Garvin
Matthew A. Horner
Katrina London
Susanne Mentzer
James D. Rigler
Ene Riisne
John Wollberg

Margarita Martinez
Administrator

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