The former Liverpool boss was confirmed as the new Celtic manager last month.
The former Celtic man has been discussing the summer signing.
The Celtic summer signing has gone a little quiet of late.
Former West Bromwich Albion midfielder Scott Allan has been linked with both Scottish Premiership champions Celtic and Scottish Championship club Rangers.
Stefan Johansen is one of the best players in the current Celtic squad.
Former Celtic defender Tosh McKinlay has predicted Ronny Deila's likely approach over transfers for the rest of the summer.