Mike Humphrey, chairman of IP Group, will step down from his position once a replacement has been found, while Lynn Gladden will leave the firm to join a research council later this year.

Mike Humphrey (pictured), non-executive chairman of commercialisation firm IP Group, announced his wish to retire last week and will leave his position with IP Group once a suitable replacement has been found.

Humphrey joined IP Group’s board in 2011 as a non-executive director before taking his current position in 2015.

Humphrey said: “Since joining IP Group, the company has undergone a rapid period of growth which has seen a near ten-fold increase in the value of the portfolio as well…