The leader of Welsh National Opera (WNO) will step down next summer following five years in the role.
John Fisher, chief executive and artistic director, joined the company from the New York Metropolitan Opera.
He has spent his life in opera after starting his career at WNO in 1972 before taking on various roles around Europe.
WNO chairman Geraint Talfan Davies said Mr Fisher had made an "enormous contribution".
Mr Fisher said: "It has been a privilege to lead WNO over the last five years, and I am very proud of what we have been able to achieve.
"It is a wonderful company that is a great asset for Wales and the world of opera.
"In the next few years WNO will face very significant challenges, but I am confident that when I leave next summer the company will be in the hands of a very strong and accomplished team."
Mr Talfan Davies said: "Over the last five years John has made an enormous contribution to the development of the company through raising its musical and vocal standards to the highest level, and attracting to WNO the very best talent."
He said many fine productions had culminated in a "truly outstanding" Die Meistersinger that would "always have an honoured place in the company's history".
"The finest tribute that we can pay John is to do everything we can in the challenging climate ahead to sustain the standards that he has set," Mr Talfan Davies added.