Our People
2025 Faculty
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Anthony R. Green
COMPOSITION DIRECTOR
CO-ARTISTIC DIRECTOR -
Tina Tallon
COMPOSITION
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Anne La Berge
COMPOSITION
2025 SPECIAL GUEST -
Sarah Brady
FLUTE
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Gregory Oakes
CLARINET
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Geoffrey Deibel
SAXOPHONE
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Ari Streisfeld
VIOLIN
CO-ARTISTIC DIRECTOR -
Jason Calloway
CELLO
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Rachel Calloway
MEZZO-SOPRANO
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Michael Compitello
PERCUSSION
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Brianna Matzke
PIANO
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Winston Choi
PIANO
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Chris Younghoon Kim
CONDUCTING
the cortona collective
The Cortona Collective is the ensemble made up of current and former faculty from the Sessions. The Collective performs together in a variety of settings outside of the Sessions themselves.
The entire membership of the Cortona Collective is listed below. The year that each joined the Collective is listed after their name.
PERFORMERS
flute: Sarah Brady (2016) — Mary Fukushima (2010)
clarinet: Gregory Oakes (2011)
saxophone: h2 Quartet (2012): Geoffrey Deibel, Jeffrey Loeffert, Kimberly Goddard Loeffert, Jonathan Nichol
violin: Ari Streisfeld (2014) — Zeneba Bowers (2011)
cello: Jason Calloway (2025) — Mariel Roberts (2023) — Kivie Cahn-Lipman (2012) — Matt Walker (2011)
percussion: Michael Compitello (2017) — Ji Hye Jung (2015)
piano: Winston Choi (2022) — Brianna Matzke (2019) — Amir Khosrowpour (2011) — Michael Kirkendoll (2010)
voice: Alexandra Porter (2023) – Paul Chwe Minchul An (2022) — Jeffrey Gavett (2017) — Rachel Calloway (2014) — Laura Bohn (2013) – Sarah Tannehill Anderson (2012)
CONDUCTORS
Tim Weiss (2020) — Jeffrey Meyer (2020) — Chris Younghoon Kim (2017) — Eric Garcia (2014) — Jacob Wallace (2013)
COMPOSERS
Anne La Berge (2025) — Anthony R. Green (2024) – Jonathan Bailey Holland (2023) — Laurie San Martin (2023) — Evan Williams (2022) — Tina Tallon (2020) — Kay Rhie (2018) — Suzanne Farrin (2017) — David Rakowski (2016) — Beth Wiemann (2016) — Stevan Tickmayer (2011) — Gabriela Lena Frank (2010) — Forrest Pierce (2010)

Fellows

Leadership & Administration
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Brianna Matzke
EXECUTIVE DIRECTOR
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Anthony R. Green
CO-ARTISTIC DIRECTOR
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Ari Streisfeld
CO-ARTISTIC DIRECTOR
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Allie Porter
OPERATIONS MANAGER
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Brendan Sweeney
PRODUCTION MANAGER