Address and Phone

National Alliance for Musical Theatre
520 Eighth Avenue
Suite 301
New York, NY 10018
United States

Telephone: (212) 714-6668
Fax: (212) 714-0469

Our office is on the original homeland of the Munsee Lenape tribal nation. NAMT acknowledges the painful history of genocide and forced removal from this territory, and we honor and respect the many diverse Indigenous peoples still connected to this land on which we and our member theatres live and work.

Staff Direct Lines and Emails

General Inquiries

Betsy King Militello, Executive Director
(212) 714-6668 x11

Adam Grosswirth, Member Services Director
(212) 714-6668 x15

Mark Blankenship, New Works Director
(212) 714-6668 x14

Brittney Woolley, Development Manager
(212) 714-6668 x16

Diana Ly, NAMT Intern

Board of Directors & Committee Members


our Staff

BETSY KING MILITELLO (Executive Director) came to NAMT in August of 2011 from Outward Bound where she was Vice President of Development, responsible for an $8M annual fundraising goal. Prior organizations in which she served in non-profit administration and fundraising leadership roles include Hunter College, the NYU Child Study Center, Cooper Union and the Big Apple Circus, and she has also taught at Marymount Manhattan College as an Adjunct Professor in Non-profit Management. Following completion of her undergraduate degree at Harvard, she began her career in advertising; after receiving her Master’s degree in Public and Private Management (MPPM) from the Yale School of Management (with additional coursework in administration at the Yale School of Drama), she worked as a management consultant for Fortune 100 companies prior to moving to the non-profit sector. She also has theatre production experience, primarily in stage management and lighting, in both professional and volunteer musical theatre and opera organizations including Glimmerglass Opera and the Blue Hill Troupe. She is currently Treasurer of the Performing Arts Alliance Board of Directors.

ADAM GROSSWIRTH (Member Services Director) has been Member Services Director at NAMT since 2008, acting as a liaison to NAMT’s 200+ members, tending to their customer service needs and traveling to theatres across the country. He is responsible for planning, implementing and maintaining NAMT’s many member services, programs and benefits, including two annual conferences, surveys, publications, online services, and the Innovation & Exploration Fund. Adam previously spent ten years as a stage manager, during which time he worked on many Broadway, Off-Broadway, regional and developmental productions, including Spring Awakening, Zanna Don’t!Here Lies Jenny, Xanadu, Aida, The Green Bird, and Bright Lights Big City, and he spent three seasons as the Stage Management Supervisor at the Williamstown Theatre Festival under the artistic direction of Roger Rees. Adam is also currently Managing Director of the all-volunteer Upstart Creatures, creating “metaphysical feasts” several times a year. He is a native New Yorker and a graduate of Tufts University.

MARK BLANKENSHIP (New Works Director) joined NAMT in 2021. Previously, he founded the magazine TDF Stages for Theatre Development Fund, where he also created the Theatre Dictionary, helmed the Meet the Theatre documentary series, and helped lead the Triple Play audience research project. He founded The Flashpaper: Theatre’s Thoughts on Right Now, created and hosted the podcast The Showtune Countdown for iHeartRadio Broadway, and served as Director of Integrated Content at AKA NYC, where he worked on longform content projects for Broadway clients like The Band’s Visit, Once on This Island, and Be More Chill. He served as a key collaborator on SDC’s Next Stage project, and he regularly hosts live and online events for the Thornton Wilder Family, John Ridley’s NO Studios, Yale School of Drama, and others. He has contributed to The New York Times, NPR, Vulture, Fortune, Variety, American Theatre, and many others.  A native of Chattanooga, Tennessee, Mark is a graduate of Emory University and Yale School of Drama.

BRITTNEY WOOLLEY (Development Manager) joined the NAMT team in 2020 after 5 ½ years at ZACH Theatre in Austin, TX in various fundraising roles, where she spent the majority of her time as the Individual Giving Manager. Brittney holds a BFA in Theatre Performance from Baylor University and has taken numerous non-profit management and development courses over the past 6 years. Brittney grew up in northeast Texas and is thrilled to be living in NYC, as it has always been her dream. She loves musical theatre and is excited to get to know the NAMT community. Additionally, Brittney teaches yoga in her free time.

DIANA LY (Intern) joined the NAMT team in 2021 as part of CUNY Cultural Corps. She’s a Vietnamese-American screenwriter and playwright currently pursuing her MFA in Playwriting at Hunter College. She grew up as an ex-pat in the Philippines before studying Computer Science at Stanford and subsequently working at Google and the YouTube Space LA. She’s currently a Women in Film|Black List Feature Resident and an upcoming Ragdale Artist Resident. She was previously a member of the Sống Collective’s Inaugural Việt Writers Lab (Playwriting), a Project Involve Fellow at Film Independent and a participant in DreamAgo’s Plume & Pellicule Screenwriting Workshop. As someone who writes stories about dysfunctional families, immigrants, nerds, and women who defy stereotypes, Diana’s excited to be part of an organization that supports a diverse range of musicals and storytellers.