Voice Box Mission & Our Voice Coaches

Our Mission is to build voice actors and assist them on their journey in the voice over industry. Through a creative approach that is both informative and inspiring, we help each student realize their potential in a way that is realistic, effective, and specific to their needs and goals. As industry professionals, we seek to use our decades of experience in giving aspiring voice actors the tools and the mindset they need to succeed, while avoiding potential pitfalls. We are honored to do this work and approach it with respect for all, a reverence for the art, and a joy in the creative process.

Voice demo producer Rob HoltRob Holt - Casting Director, Audio Engineer, Producer, and Instructor

Rob created Voice Box in 2011 after spending 10 years at one of the Philadelphia area's largest casting companies. Voice Box focuses primarily on Casting and Recording voice over projects as well as providing a one of a kind training environment. The hundreds of jobs Rob has worked on as Casting Director and Engineer (and sometimes even as the voice talent) and a lifetime of music production allows him to create inspiring voice over demos. Rob maintains solid relationships with many of the area’s top voice talent and producers, and he has taught many VO workshops throughout the years for kids, teens, and adults. He has also given numerous lectures on the subject of voice over for organizations such as the Screen Actors Guild and Backstage Magazine with 50 to 100 attendees.  Rob is an instructor in our 6-week voice over class, and our advanced class


 Neill Hartley - Actor, Director and Educator

Neill Hartley is professional actor, director and educator.  He has principal roles in The Sixth SenseFirst Freedom (PBS documentary) and in seasons two and three of the Netflix series House of Cards.  For over seven years, Neill was seen on QVC as a spokesperson for two national companies.  He works regularly in industrial and voice over projects, and has appeared in regional and national commercials for PA Lottery, PA Tourism, Auto Lenders, Benari Jewelers and TaxSlayer.com

Neill is an assistant professor of voice and speech at The University of the Arts in Philadelphia, and has acted as a speech/dialect coach for several professional theater productions. He holds an MFA in Acting from Temple University.

Neill is also the artistic director of Acting Without Boundaries, a theater company for young adults with physical disabilities.  In addition to AWB, he has directed for University of the Arts, University of Pennsylvania, Arcadia University, Ursinus College, Luna Theater, Isis Productions, and New City Stage Company. Neill is an instructor in our 6-week voice over class, and our voiceover for animation workshop


voice over marketing seminar

Sharon Geller - Voice Over Artist, Actor, Coach

Sharon has been a full time actor and voice over artist for over 27 years with a list of credits a mile long. You would be hard pressed for find a producer in this market that hasn’t worked with her.

Sharon’s voice over credits include DISH Network, PA Lottery, Pandora Jewelry, Comcast, Johnson & Johnson, her character voice work has landed her roles animation and even those spooky animatronic figures  you see in the Halloween stores!

On TV, Sharon has been on Saturday Night Live (4 times!), the TODAY show, Sex and the City, and is a frequent guest host on QVC. She has appeared in feature films for M. Night Shayamalan (The Sixth Sense & Wide Awake), Jonathan Demme (Philadelphia), and United Artists (Rocky V). A gifted performer, Sharon has had major roles in award winning theatre performances in New York, Philadelphia, as well as several tours…Oh, did I mention she’s also hilarious! Sharon is the main presenter at our VO Marketing Seminar and an occasional instructor in our 6-week voice over class