Stuart Lancaster has admitted he is "honoured" to be named England head coach on a permanent basis.
Lancaster had been working in the role on an interim basis after stepping up to replace Martin Johnson following a disastrous World Cup - on and off the pitch.
And having guided England to four wins in the RBS Six Nations, Lancaster has now been handed the reins until January 2016.
Lancaster, who played and coached at Leeds before joining the RFU, said: "I am immensely honoured and proud to accept this role. From the hundreds of messages I received during the Six Nations I know what supporting England means to millions of people and I am privileged to be involved.
"The players, coaches and the management were superb during the tournament and it's down to them that we made such positive steps from when we first met up in Leeds.
"The challenge now is to take this squad and the players we will see emerge forward to 2015. It is one that I can't wait to get stuck into.
"We have a massive task ahead of us in South Africa this summer and we have 37 games before that first World Cup match on home soil, so every second counts in developing players who can win that tournament - which has to be the ultimate aim.
"I want to thank Ian and the panel for giving me the chance to explain my vision for England Rugby and, with their backing, I feel very positive about the future."
Lancaster beat off competition from Nick Mallett for the role, with RFU chief executive Ian Ritchie pleased with the appointment.
Ritchie said: "We have been through a rigorous and global selection process and are confident that Stuart is the right person to lead England Rugby forward into the 2015 Rugby World Cup.
"He has shown throughout the RBS Six Nations and subsequently in both interview and other conversations I, as chairman of the advisory panel, have had with him that he has the skills and vision needed in the England head coach.
"I would also like to thank the advisory panel for their time and invaluable advice during the course of the process. I have been very lucky to be able to draw upon great rugby expertise and for that I am grateful.
"I am sure everyone in England will join me in congratulating Stuart on his appointment. He can be assured of my support and everyone in the Union as he embarks on what we all hope will be a successful period for English rugby."