William Posthumus


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About 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.

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Vocal Characteristics


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

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Australian, British, New Zealand, North American

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Voice Over Skills

Animation Movie Trailers Documentaries Audiobooks Elearning Radio Ad Telephone Videogames Jingles Podcasting Television Ad Video Narration Music Online Ad

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Turnaround Time

1-7 days depending on the project demands


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

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How do I work with William Posthumus?

You can start working with William Posthumus in three simple steps:

  1. Invite William to respond to your new or existing project.
  2. Review William's proposal, portfolio, and quote after they've replied to your invitation.
  3. Hire William Posthumus.

You can learn about how Voices works here.

How do I pay William Posthumus?

Payment to William Posthumus is managed through our SurePay™ payment protection service in a few simple steps:

  1. Pay securely by Visa, Mastercard, or PayPal directly through Voices.
  2. Voices holds your funds until you're satisfied with William's work.
  3. When the work is done, download your files.

What voice over skills does William Posthumus perform?

Animation, Movie Trailers, Documentaries, Audiobooks, Elearning, Radio Ad, Telephone, Videogames, Jingles Podcasting, Television Ad, Video Narration, Music Online Ad