Sermanni will finish his duties with the Westfield Matildas at the end of November 2012 and start in his new position on 1 January 2013. 

Today he admitted it was a tough decision to leave the team he had coached for the past eight years.

But he said he wanted the challenge of coaching the best side in the game at the moment when the opportunity came up.

“From a personal perspective, this was definitely not an easy decision to make and, in the end, it became quite an emotional one for me,” said Sermanni.

“In football, and in life, it’s all about timing, and with Australian women’s football quite settled at the moment with the national teams and the Westfield W-League, the timing of this challenge to coach the number one somen’s football team in the world was at the right time for me to accept.

“There is plenty of great talent coming through the Australian women’s football system and in the coming years I am confident that Australia will be a world force.

“But eight years is a long time for any coach to be in a position and now seems to be a  good time to bring in some new ideas and energy into the Matildas set-up.

“Undoubtedly, I had the best football coaching job in Australia with great support from FFA and the AIS, fantastic, dedicated and professional staff, full support from the club, State and Territory program coaches and a group of players that have been a joy to work with.

“I have many fond memories of my time with the Westfield Matildas and having spent the majority of the past 30 years in Australia, they will not be too far away from my thoughts.”

Football Federation Australia CEO Ben Buckley paid tribute to Sermanni and although disappointed with his decision to leave the Matildas wished him all the best for his new position.

“Tom Sermanni is a true gentleman of our sport and will be missed by all who have had the pleasure to have worked with him,” said Buckley 

“When Tom tendered his resignation, our immediate reaction was sadness that he would no longer be coaching the Matildas, but we understand the motivation behind his decision and wish him all the best for his new challenge ahead with the U.S. Women’s National Team

“Tom’s legacy for women’s football in Australia will be felt for many years to come as he has helped transform our Women’s national team to a very professional and competitive group of players.

“Tom will always be considered a close friend of Australian football no matter where he is in the world.”

Australian Institute of Sport director Matt Favier said few people have had such an impact on elite women’s football in Australia as Sermanni dating back to the mid 1990s when he coached the Matildas to qualification for their first World Cup in 1995.

“Tom has made an indelible mark on women’s football in Australia and I would like to thank him for his contribution to both the Matildas and the AIS program over many years,” said Favier.

“We have been lucky to have a person of Tom’s standing and passion involved in football for such a long time and we wish him all the best in his new role.”

Sermanni second’s  stint as the Matildas head coach began in 2005 and during his eight year tenure he oversaw two successful FIFA Women’s World Cup campaigns in 2007 & 2011 where the Matildas made the quarter-finals stage on both occasions, an Women’s Asian Cup Championship in 2010 and helped Australia’s women’s world ranking climb to their highest ever position of 9th (September 2010 and August 2012). Sermanni was also named the AFC Coach of the Year in 2007. 

Sermanni is no stranger to US women’s football having previously coached the San Jose CyberRays and New York Power in the WUSA from 2001-2003. Sermanni will replace Pia Sundhage who coached the U.S. Women’s National Team from 2008-2012.

Sermanni’s final coaching duties with the Matildas will be the East Asian Football Federation East Asian Cup Qualification tournament which will be held in Shenzen, China PR from November 20-24.