Hart is now assistant manager at Luton.
The former Leeds United academy director is now assistant manager at Luton Town.
The former Leeds academy boss left at the start of April for personal reasons.
The pair worked together previously at Charlton Athletic.
The Leeds United midfielder is clearly rated by his coach at under-21 level.
The Jamaican international has been in fine form this season.
Leeds United’s Academy has recently been praised by a nationwide review.
Leeds United Under-21s lost to their Liverpool counterparts on Tuesday evening.
Paul Hart has urged the Leeds duo to be ready for first-team action.
Leeds have a number of fringe players who could be heading out on loan.