> How much time would it take for a smart, competent and self motivated person to get up to speed on this new but related field? I think the more appropriate q

> How much time would it take for a smart, competent and self motivated person to get up to speed on this new but related field? I think the more appropriate question is about the relative effectiveness of someone who has been leading Android development teams for 10 years and someone with the same experience but in a different (but related) field.