PolyWave Voice
PolyWave Voice is a hands on voice-over training program designed to help aspiring voice actors launch their careers. Receive one-on-one coaching from industry professionals, learn how to record and edit professional-quality auditions, discover how to find and pitch for voice-over work, and graduate with a professionally produced demo reel ready for your website, resume, and casting profiles.
Program Details

1
5 One on OneVoice Coaching Sessions
With our Polywave Voice program, you will recieve five-on-one sessions with a highly experienced and recognized voice actor. This tailored approach ensures you receive the focused attention needed to sharpen your skills and master the voice-over process. Unlock your true potential and elevate your voice-over career with our expert guidance.
2
5 One on One
Audio Engineering Training Sessions
We recognize that studio costs can be expensive, that is why we provide you with five dedicated one-on-one sessions that dive into essential audio engineering and recording techniques. You'll confidently master the art of recording, editing, and mixing your own demos, enabling you to produce professional-quality tracks without the hefty studio fees. With these skills, you'll create impressive demos that significantly boost chances of landing the job.
3
Professional Voice Over Demo
Our Polywave Voice Program offers a comprehensive package that includes a studio-recorded professional demo, complete with custom music and expert editing. This unique feature ensures you stand out when applying for voice-over jobs and gigs. Elevate your portfolio and website with a polished voice over demo that highlights your skills and creativity. Make a memorable impression on potential clients.
Meet your
Vocal Coach
Erik Sandvold
Production Coach
Erik Sandvold is an award-winning American stage actor, voiceover artist, and audiobook narrator based in Denver, Colorado. He is best known as a long-standing Artistic Company Member at Denver's Curious Theatre Company and for narrating all seven books of the Harry Potter series for the Library of Congress.
Professional Highlights
Theatre Career: He has performed extensively across Colorado's top regional theatres, including the Denver Center Theatre Company, Arvada Center, Colorado Shakespeare Festival (CSF), and BETC. Notable performances include playing all 36 characters in I Am My Own Wife and winning a Denver Post Ovation Award for his solo performance in Bubs.
Audiobook Narration: Beyond Harry Potter, Sandvold has narrated roughly a thousand audiobooks. His work spans titles like Cyberdeterrence and Cyberwar and Jean-Jacques Rousseau's On the Social Contract, distributed across platforms like Audible and Rakuten Kobo.
On-Screen Credits: He has appeared in several independent films and film shorts, including Juncture (2007) and Killing Kevin (2004).
Education & Coaching: A Boulder native and alumnus of Northwestern University's Department of Theatre, he teaches voiceover classes through the Denver Center and Polywave.io.

