Aug 16 (Reuters) - Constellation Software Inc CSU.TO :
* CONSTELLATION SOFTWARE INC. ANNOUNCES CHANGES TO ITS MANAGEMENT TEAM
* CONSTELLATION SOFTWARE - RESIGNATION OF JOHN BILLOWITS, CEO OF VELA OPERATING GROUP AND APPOINTMENT OF DAMIAN MCKAY AS HIS REPLACEMENT
* CONSTELLATION SOFTWARE INC - JOHN BILLOWITS WILL CONTINUE TO ACT AS A DIRECTOR TO CONSTELLATION