Ravi is the Managing Director of Ionn Ltd., manufacturing different varieties of cheese. He has an efficient team working under him consisting of Lalit at, the Production manager, Varun - the Marketing manager and Abhay - the Finance manager. They understand and interpret the policies made by Ravi, ensure that their departments have adequate manpower, assign them the necessary duties and motivate them to achieve the desired objectives. Identify the level of management they are working.