Yes he does, he does. Independent MSP who very publicly split with the Greens recently, the Greens of course support the current government in most things. I'm currently reading his book on land reform in Scotland.
The Scottish Tories and the other opposition members of the committee have made a big mistake however. By concentrating on trying to make the FM the scapegoat, they have diverted attention from the real purpose of their committee which was to identify what went wrong with the processes of government. And we need to get that fixed, no question.