Your browser does not support the video tag. Jānis Ozoliņš’ experience of JAMAHA Music School Jānis Ozoliņš shares his experience of managing people while working at JAMAHA Music School. Go to the video Your browser does not support the video tag. Accountability and change management Change management in a framework of accountability. Business expectations have increased. Good change management models: waterfall, agility and visual dashboard Go to the video