The Founders

Erin Reilly (Artistic Director), a graduate of the University of Pennsylvania, Erin co-founded Theatre Horizon with Matthew Decker, recently leading a $1 million campaign to build and open a new venue for the company on Arts Hill in Norristown. Erin has directed over 15 productions, working with both professional actors and students. As an equity actress she has performed on numerous area stages including the Walnut Street Theatre and Wilma Theater. Theatre Horizon’s Education Department is near to her heart, and she draws on her experience teaching for education programs at the Wilma Theater, Lantern Theater, and Mum Puppettheatre, among many others. She serves on Creative MontCo and the Board of Theatre Philadelphia, and was named one of Philadelphia's 76 Creative Connectors by Leadership Philadelphia. Email Erin at

Matt Decker and Erin Reilly, Founders

Matthew Decker (Resident Director) is also the Associate Artistic Director at Arden Theatre Company in Philadelphia. He has directed over 15 productions with Theatre Horizon and favorites include Annie Baker's Circle Mirror Transformation, Steven Sater and Duncan Sheik’s Spring Awakening, Neil LaBute’s Fat Pig and Rachel Sheinkin and William Finn’s The 25th Annual Putnam County Spelling Bee, for which he was awarded the Barrymore for Outstanding Direction of a Musical. Other credits include Incorruptible, Pinocchio and Robin Hood (Arden), Love, Rose (Philly Fringe), InterAct Theater WRITE LOCAL Festival, Walnut Street Theater, PTC@Play, Villanova University and HERE Arts Center. As a professional teaching artist, Matthew has developed Theatre Horizon’s Autism Drama Program and teaches with Arden’s outreach program, Arden for All. He is a graduate of New York University’s Tisch School of the Arts where he studied at the Atlantic Theatre Company. Matthew resides in Philadelphia. Email Matt at

Theatre Horizon Staff

Leigh Mallonee (Education Director) received her MA in Arts Administration from the University of Oregon. In addition, she holds a BA in English and Theatre from Penn State University where she also earned her secondary education certification. Prior to joining the Theatre Horizon team, Leigh was Assistant Education Director at Philadelphia Shakespeare Theatre. Leigh began her theatre education career as Education Apprentice for Walnut Street Theatre where she taught Acting, Scene Study, and Improv, directed Summer Camp, and served as Interim Outreach Coordinator and Residency Coordinator. Leigh has also taught for after-school programs in North Philadelphia and Camden NJ, Philadelphia Young Playwrights, and Philadelphia Theatre Company. Email Leigh at

Rebecca May Flowers (Artistic Associate) hails from sunny Orlando, Florida. She holds a B.A. in Theatre from Florida State University and an M.A. in Theatre from the University of Central Florida. Rebecca teaches acting to all ages and has taught theatre history at the University of Central Florida. As an actor, Rebecca has performed on professional and community stages, as well as performing as an extra on such TV shows as Scrubs and The Drew Carey Show. Rebecca has directed and choreographed over 30 plays, musicals, and dance theatre pieces at universities, high schools, and professional & community theaters. Email Rebecca at

Jennifer Pratt Johnson (Development Director) is originally from Virginia, where she earned her BA in Theatre and History from The College of William & Mary before moving to Philadelphia by way of Portland, Maine. Prior to joining the team at Theatre Horizon, Jenny was the Marketing & Development Director at Lantern Theater Company, where she had worked since 2010. She is also a co-founder, former Managing Director, and former board member of Simpatico Theatre Project, a local theater company that builds community partnerships with social organizations whose missions are well-suited to each of the company’s productions. Jenny has her MS in Arts Administration from Drexel University and is passionate about arts marketing and fundraising as important means of building community and ensuring organizational stability. Email Jenny at

Molly Braverman (Production Manager) is a Philadelphia native, returning to the city after ten years working as a Stage Manager and Director in New York and on tour. Stage and Production Management credits include, Broadway: Wicked, Collected Stories; 1st National Tours: Wicked, Little House on the Prairie; Off-Broadway/Workshops: The Picture of Dorian Gray, Zorba, Scandalous, An Officer and a Gentleman; Benefits: Christmas Eve with Christmas Eve (NYC), Wicked Rocky Horror Show (Las Vegas, Denver). Regional directing credits include Zanna Don’t, Pippin, Boise Idaho, and 365Days/365Plays. She has served as Assistant Technical Director for off-Broadway’s Theatre Row Studios and is a graduate of Columbia University. Email Molly at

Jeannine Kienzle, (Marketing & Group Sales Manager), a graduate of Temple University, Jeannine received her BA in Communications. Prior to her current position as Marketing and Group Sales Manager at Theatre Horizon, she was the Marketing Manager at The Chamber Orchestra of Philadelphia and Reporting Coordinator at SEER Interactive, an Internet Marketing company, which focused on SEO results and client blogging. In addition, she has also worked in publishing as a Production Editor at Taylor and Francis and customized e-learning courses in her position at The Ed Comm Group. Email Jeannine at

Lyndsey Piecyk (Development Associate) is a Philly-based Jersey girl whose involvement with the arts has been a life-long journey. She is employed in this industry in a variety of roles from teaching to administration, from performing to composing & arranging. Before her recent transition to Development Associate, she was Theatre Horizon’s Audience Services Manager for the past two years and has been with the company since Spring of 2012. Lyndsey teaches voice and piano at Villanova University as well as teaching and performing privately all over the Philadelphia area. She holds a BA in Music from the Sunderman Conservatory of Music at Gettysburg College, a MM in Jazz Studies from the University of the Arts, and has studied improvisation at the Victorian College of the Arts at the University of Melbourne, Australia. For more information, please visit Email Lyndsey at

Angela Coleman (Program Associate) is a dramaturge, stage manager, lighting designer, and educator. She earned her BA in Theatre and Sociology from Kenyon College in Gambier, OH. Before Theatre Horizon, Angela was the Education Assistant at the Arden Theatre Company and is a proud member of Arden Apprentice class 20. Recent Credits include: ID:3 (Hybridge Arts Collective), Mufaro’s Beautiful Daughters (Camden Repertory Theatre Company), 2014 Young Voices Monologue Festival and New Voices Workshop Productions (Philadelphia Young Playwrights). Email Angela at

Josh Millhouse (Audience Services & Office Manager) has been involved in theatre since a 4th grade production of Rumpelstiltskin. He graduated from Susquehanna University in 2013 with a degree in Theatre performance. Favorite roles include Bottom in A Midsummer Night's Dream and The Baker in Into The Woods. After moving to Philadelphia, Josh started working for People's Light & Theatre Company and The Wilma Theater. He became part of the Theatre Horizon team in August 2014 and is very excited to join such a young yet successful company! Since becoming part of the Greater Philadelphia theatre industry, Josh has also worked for The Franklin Institute. He also contributes to Email Josh at

Jim Boerckel (Bookkeeper) comes to Theatre Horizon after a long accounting career in the Non-Profit arena. He most notably served for twenty five years in the Main Line Health System and at Bryn Mawr Hospital as Assistant Controller. Jim also was the Chief Financial Officer for seven years at Martins Run Life Care Community. More recently Jim was the Financial Director for Alex's Lemonade Stand Foundation for three years and currently works part time as the Business Manger for St. James School in Philadelphia. Jim lives in Havertown with his wife Mary and is the proud father of five children and seven grandchildren. Email Jim at

Steven P. Nemphos (Webmaster) has worked with Disney, SeaWorld, Yosemite National Park and many of the region’s professional theaters; both on and off the stage; and, in all major mediums including television, radio and film. Steve was previously the associate producer, casting director and production manager of Theatre Horizon. He is currently a casting associate at Philadelphia Casting, an adjunct professor of theatre at Montgomery Community College and serves on the Creative Montco Placemaking Subcommittee. Recent professional experience includes The Big Knife (Assistant Director) at Roundabout Theatre Company on Broadway under Tony-Award Winner Doug Hughes. BFA, NYU. Email Steven at