Genetic Technologies Limited announced that the Jerzy Muchnicki will maintain his current position as interim CEO and Peter Rubinstein a current Director will assume the role of Chairman. The company also welcomes Stan Sack as Chief Operating Officer. Sack has spent fifteen years in large listed entities in executive positions managing large business divisions. He has worked with a high net worth family managing all their operating businesses and private equity activities. Sack built an Allied Health Business in the aged care and community care space.