Westminster Seminary California has begun a new monthly mp3 installment that will be posted on their website or available through iTunes.
From their website:
Season I of Office Hours introduces you to the faculty of WSC through personal 30-minute interviews, discussing biblical and exegetical questions, historical and theological questions, pastoral matters, and Christian living.
The first two interviews are posted now, the first episode is an interview of WSC President W. Robert Godfrey. The second episode is an interview with Julius J. Kim, Associate Professor of Practical Theology.