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Staff Directory

President & Artistic Director

Marketing & Public Relations

Jean Hsu

Chief Operating Officer /
Vice President of Communications

Marie Songco-Torres

Senior Marketing & Public Relations Manager

Adaora Onyebeke

Marketing & Public Relations Associate

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Mark Saville

Vice President of Development

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Halim Kim

Senior Director of Development

Paige Frank

Development Associate

Fatima Rizvi-Flores

Patron Stewardship Manager / Board Liaison

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Artistic Operations

Emily Persinko

Artistic Operations Manager

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Kathy Smith

Piano Technician


Courtney McKinnon

Manager of Volunteer and Education Services

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Chloe Hopper

Education Associate

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Jennifer Niedringhaus

Education & Engagement Operations Manager

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Roan Alombro

Vice President of Finance

Patron Services

Jonathan Mariott

Director of Patron Services

Angelica Nicolas

Marketing & Patron Services Associate

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Randy Polevoi

Musical Concierge

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Orange County Youth Symphony

Johannes Müller Stosch

Music Director & Conductor

Dr. Yorgos Kouritas

Interim Conductor

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Cathy Olinger

General Manager & OCYSE Conductor

Danielle Culhane

Operations & Personnel Manager

Moni Simeonov

Coordinator of Strings

Mathieu Girardet

Coordinator of Winds

Jason Ezquerro

Assistant Manager & Librarian