Staff

Mike Williams,

Ensemble Director & Co-Founding Artist

Hailed by The Boston Globe as “one of the city’s best percussionists,” Mike Williams is an advocate for contemporary music, a member of the new music sinfonietta Sound Icon, the Calithumpian Consort, and is a co-founding artist of Guerilla Opera as well as former co-artistic director, with whom he has commissioned and premiered many new chamber operas since 2007. Williams has worked directly with many of the leading composers of our time including Pierluigi Billone, Philippe Leroux, Salvatore Sciarrino, Gunther Schuller, and Roger Reynolds.

Yooree Losordo, Interim Executive Director

Yooree Losordo is an arts administrator, community organizer, and social entrepreneur. Everything she learned about work — and the conditions creators need to do their best work — she picked up at TADA!, the Drama Desk-winning theater where she was a resident ensemble member for six years. These days she works primarily in podcasting, with some of today’s leading audio creators. She is the managing producer of Radiotopia Presents, a limited series anthology including Shocking, Heartbreaking, Transformative (Best Podcasts of 2024, NY Times) and We’re Doing The Wiz (Tribeca official selection, 2025). She is a master urban gardener, Korea peace activist, and education advocate.

Rose Williams,

Development Coordinator

Rose Williams is a composer, arts administrator, and sometime-soprano with a passion for modern music and filling out application forms. Currently pursuing a Master’s in Composition at Longy School of Music (Cambridge, MA), Rose's previous experience includes a BA in music from Oberlin College, working in social services in small-town Appalachia (her native land), five years teaching ESL in Taiwan, and playing violin and viola in various ensembles, including an Interfaith ensemble specializing in Hindu devotional music. In her spare time, Rose enjoys knitting and watching Youtube demos for expensive FX pedals.

Keithlyn Parkman,

Director of Design and Production

Keithlyn B Parkman graduated the from Boston University College of Fine Arts with a BFA in Lighting Designer. During her time at BU she came across this crazy little opera family and the rest is history. Recent various Guerilla credits include Chrononhotonthologos, Loose Wet Perforated, and Beowulf. Upcoming project include Dancing Girl (SheNYC), Salvation (Shapeshifter Labs) and Black Inscription (Cotuit Arts Center)

Mia Joseph Marketing Coordinator

With extensive experience in marketing and event coordination, Mia brings a keen eye for graphics, a keen sense for marketing strategy, and a degree from Emerson University to her new role at Guerilla Opera. Mia is passionate about connecting audiences with impactful experiences, and is excited to bring these skills to her role at Guerilla Opera.