Pete Larson, Steve Magness (recently hired by Alberto Salazar) and Newton Running's Ian Adamson. In the podcast I mentioned my positive experience attending Newton's Natural Running Clinic, and with the "Evolution Running" DVD. For further information or to download the episode visit the Runners Round Table blog post or iTunes.
Finally, on the subject of running form and injury prevention here are five good videos, three from Newton Running and two from Chi Running:
I listened this morning,