Melissa Chalsma
Artistic Director

Before co-founding ISC, Melissa acted as Projects & Education Coordinator at Young Playwrights Inc. (one of New York City’s preeminent educational outreach providers, founded by Stephen Sondheim.)

At California State University, Northridge, she teaches performance and has directed, among other plays, Tony Kushner’s adaptation of Corneille’s The Illusion, Chekhov’s The Three Sisters, and the Western premiere of Miyazawa Akio’s Hinemi.

Melissa directed many ISC productions, including A Midsummer Night’s Dream, A Christmas Carol With Charles Dickens, The Tempest, and Twelfth Night. She has also been seen onstage in many ISC productions, most recently Middleton’s The Changeling and Henry V. Other US and UK acting appearances include on Broadway in Hamlet (with Ralph Fiennes), in the American premiere of Harold Pinter’s Moonlight (with Blythe Danner and Jason Robards) at the Roundabout Theatre Co., A Lie of the Mind (BAC, London), The Rivals (Derby Playhouse, UK and Walnut Street Theatre, Philadelphia), Romeo and Juliet (Missouri Rep), Hamlet and Twelfth Night (both at Utah Shakespearean Festival), and Barry Kornhauser’s adaptation of Cyrano (Fulton Opera House). She received her MFA from The Professional Theatre Training Program at the University of Delaware.

Email Melissa

David Melville
Managing Director

As one of the co-founders of ISC, David has performed in many ISC shows including the title roles in Hamlet, Macbeth, and Richard II; Prince Hal in Henry IV; Touchstone in As You Like It and Sir Toby in Twelfth Night. Other theatre credits include Mother Courage at the Mermaid Theatre, London (with Glenda Jackson); Hamlet, Almeida at the Hackney Empire, London and Broadway transfer (with Ralph Fiennes); Ivanov at The Almeida Theatre, London and Maly Theatre, Moscow. David has appeared in several films including The Understudy (which will be arriving in cinemas later this year)and Perfection. David recently filmed the medieval siege drama Ironclad (starring Paul Giamatti as King John). On television, David appeared as the hopeless British travel correspondent Lawrence Beldon-Smythe in the Travel Channel series Lawrence of America.

David has also composed songs for numerous theater productions as well as film projects.

He received his acting training at the Webber-Douglas Academy of Dramatic Art in London.

Email David

Mary Guilliams
Business Manager

Mary Guilliams is the owner of Booking It, a green bookkeeping and consulting business. Her experience in non-profit finance, grants management and organizational administration is derived largely from her service at Screen Actors Guild Foundation, where she acted as the Financial Administrator for over four years. Mary received a dual BA in Liberal and Theatre Arts from Pepperdine University.

Mary has appeared in ISC productions of Love’s Labour’s Lost, The Merry Wives of Windsor, Much Ado About Nothing, The Tempest, Henry IV, Doctor Faustus, A Midsummer Night’s Dream, Hamlet, and A Christmas Carol With Charles Dickens. Other recent stage credits include Fifth Commandment at REDCAT at Walt Disney Concert Hall, The Mystery of Edwin Drood and Serial Killers at Sacred Fools Theatre and Heart of a Dog at Lillian Theatre.

Email Mary

Sarah Cronk
Office Administrator

Email Sarah

Marisa Johnston
Development & Communications Manager

Email Marisa

Xavi Moreno
Marketing & Media Manager

Email Xavi