David Yost

David Yost is a writer for Power Rangers Galaxy Hunters.
==Biography==
===Doctor Who and related work===
====Work on spin-offs====
====Significant additions to the Doctor Who universe====
==Selected credits==
===Power Rangers===
*Reawaken Your Power - Co-Writer
*Return Of The Commander - Writer
*The Collector's Gambit / Beneath the Mask - Writer
*Episode 10 / 11 for Crystal Worlds - Writer
*Power Rangers Turbo vs Zeo: Legacy Of Tommy - Writer
*Episode 3 for Universal Gears - Writer
*Episode 4 for Universal Gears - Writer
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===Kamen Rider===
*Project Aid / Level 50 - Writer
*Splices Of Destiny / Scientist Of Hope - Writer
*Time's Tornados / Time Collides - Writer
*Metal and Fire / Data Invasion - Writer
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===Other===
*Regular column in Doctor Who Magazine.
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