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William Posthumus

William Posthumus

Tempe, Arizona, US

William Posthumus Banner
William Posthumus

William Posthumus



Deep voice with experience in Live Sports PA work (basketball, baseball, hockey), as well as live play-by-play on the radio. Listener friendly voice and clean pronunciation. Have hosted two different sports talk shows on AM 1260 in Tempe, AZ.


English, English (North American), English (British), English (Australian), English (New Zealand)


Australian, British, New Zealand, North American

Special Skills

Audiobooks, Business, Cartoons, Documentaries, Educational, Internet, Jingles, Movie Trailers, Music, Podcasting, Radio, Telephone, Television, Videogames


2-5 years


  • Microphone

    Audio Technica Microphones: AT 2020, DR-CX1

  • Computer & Software

    MacBook Pro 17" HD, and a 500GB External Hard Drive

  • Special Equipment

    Pre-Sonus Blue Tube Dual Path 2 Channel all Tube Pre-Amp, M-Audio Firewire 410 Audio Interface, Logic Pro, American Audio FX-15

  • Turnaround Time

    1-7 days depending on the project demands

Payment Terms

Hire William as a voice actor. Payment is made through Voices.com SurePay, an escrow service that guarantees your work is done to your satisfaction. Send payment securely by Visa, Mastercard or PayPal through Voices.com then download your files from the website.

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Next Steps

To contact William Posthumus about your project, request a quote today. We'll walk you through the process step-by-step. It's fast and easy.

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    Request a quote for your project today.