Holl was involved in the set-up and establishment of the Scottish Institute of Sport and believes he is taking on the role at an exciting time for athletics in Scotland.
Luck, who will join Balding for the big events such as the Cheltenham Festival, Derby, Grand National and Royal Ascot, called the role "an incredibly exciting opportunity".
Shadow education secretary Stephen Twigg said the scheme had his full support, calling it "an exciting opportunity that could play a major role in reforming children's social work".