We are experiencing the biggest shift in leadership training and professional development in decades. If not ever. And it is disrupting our entire approach to new manager training and leadership development.  The Association for Talent Development calls this shift ‘Revolution 4.0.’ If reality, we are experiencing a generational change and technology breakthroughs.     The Age of Millennial Management We all know that millennials are upon us. As baby boomers retire at a record pace, and millennials (age 25 to 35) come rushing in, they’ll form 50% of…