In this expanded role Matt Kelly (pictured), currently Associate Editor of the Daily Mirror, and his team will be responsible for the creation and development of the division's growing portfolio of digital sites.
He will also work closely with the advertising and marketing teams to ensure that the division maximises revenues from the Nationals digital business.
Mark Hollinshead, Managing Director Trinity Mirror Nationals Division, said: "Matt has proved he has the perfect blend of skills for this position as he manages to balance creativity with strategic insight and commercial acumen. This is a key appointment as we look to further enhance and develop our digital ambitions."
Kelly led the development of mirrorfootball.co.uk and 3am.co.uk which both launched earlier this year.
In his new role Kelly will continue to report directly to Richard Wallace, Editor of the Daily Mirror.
