John Gellel is a General Manager at Kastle Systems President at Australian Security Industry Association Limited (ASIAL) at Kastle Systems. Colleagues describe them as "John is one of the few exemplary leaders who is not only a result oriented business leader but also a great mentor and human being. I have the privilege to work with him for 7 years where I have experienced his democratic and participative leadership in action. He has great understanding of the science and art of leadership, excellent people skills, change management and an innate capability of motivating his team. His passion for success and jovial nature are extremely contagious, you… Show more" and "John is a wise leader and manager who combines the ability to get results with a deep understanding of risk. He has managed to lead the business through transition and challenges while keeping his team motivated and productive. A very impressive leader who I have been fortunate to work with."