A Long, Long Workday With Boston Ballet’s Boss DANCE Posted: June 3, 2014 9:45 pmJeffrey Gantz sees what’s involved in the 9:00 am-to-11:30 pm daily routine of artistic director Mikko Nissinen. Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to email a link to a friend (Opens in new window)