This week on the GeekWire Podcast, we hear the pitches made by four startup CEOs in the 32 seconds it takes to get to the top of Seattle's historic Smith Tower, on their way to winning their respective episodes on this season of GeekWire's Elevator Pitch series.

It's a preview of the upcoming season finale, in which each of the four will make a final pitch at the GeekWire Summit next week, live on stage.

• Episode 1 winner: Amina Moreau, CEO of Radious, an online marketplace that turns houses, apartments and other residential properties into workspaces, rentable by the day.
• Episode 2 winner: Devin Miller, co-founder and CEO of SecureSave, a purpose built emergency savings solution designed to help people feel and be financially secure.
• Episode 3 winner: Erin Quick, co-founder and CEO of PairTree, a service that provides tools, resources and support to navigate and simplify the process of adoption.
• Episode 4 winner: Katherine Sizov, CEO & co-founder of Strella Biotechnology, creators of sensing technology that predicts the ripeness of produce.

More: GeekWire Elevator Pitch Season 3, and the GeekWire Summit, Oct. 6-7.

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