Nottingham Forest chief executive Dane Murphy has left the Premiership Club less than 18 months after his appointment.
The American joined Forest in July 2021, aged just 35, after a two-year spell at Championship rivals Barnsley.
Since then he has been at the helm of a club which gained promotion to the top division last summer and is currently 15 th in the league.
The club said he was leaving by mutual consent to pursue other interests.
In a statement Mr Murphy said: “Never have I been a proponent of, nor in fact, have I ever been any good at goodbyes. It is much easier to give thanks and recognise those who made my time at Forest so special.
“Nottingham is a community of people who put the work in before the talk. Who pour themselves into what matters most and commit to the genuine causes that allow them to progress.
“The unbridled passion for this football club, passed down through generations, reverberates throughout the sport. That passion is the true north that guides the players, the staff and all at The City Ground.
“I would be remiss to not acknowledge those who helped make my time at the Club successful.
“Thank you, first and foremost, to [club owner] Evangelos Marinakis who allowed me to realize a dream I did not know I had.
“To [co-owners] Socrates Kominakis, Miltos Marinakis and chairman Nicholas Randall KC, thank you for believing in my stewardship.
"Finally, thank you to all the players, staff, and co- workers who over the last 18 months helped build the club to where it now stands. Everyone should take great pride in the achievement.
“My gratitude for the welcome received, and the treatment of my wife and I by this community cannot be bound by words. It has been the honour of my second career to serve this club and all of you.
“I’ll miss the mist rolling in the from the Trent. Forever and always, You Reds!"
Mr Murphy grew up on the east coast of America and played football at school and university.
He played professionally in the US in MLS before heading over to the German second division where he played for VfL Osnabruck.
He finished his playing career back in the States, but felt he didn’t have the temperament to go into coaching so followed his interest in the business side of football.
No news on a replacement has been made.