Developing…

UPDATE: Seiken speaks:

“I’m proud of how the Telegraph has become a digital leader, and I’m gratified that the Telegraph has seen such a large growth in its digital audience. The company has a great future and will continue to thrive. I wish all my colleagues at the Telegraph the very best for the future.”

And TMG chief executive Murdoch MacLennan says:

“We completely understand Jason’s regrettable decision to move on to new opportunities now that he has completed his work here. He has been a much valued colleague, providing a great deal of input into identifying future strategy for the Telegraph Media Group to ensure we remain a world-class and commercially successful media organisation. We wish him well.”