Medibio has appointed US-based Jack Cosentino as chief executive and managing director. Kris Knauer, former chief executive, will become interim chief financial officer until a permanent appointment has been made. After which Mr Knauer will remain on the board as non-executive director.
Geoff Jones has resigned as non-executive director of Energy Metals.
John Davidson has been appointed executive director of Carnegie Clean Energy. Mr Davidson was managing director of Energy Made Clean, which was acquired by Carnegie in December 2016.
George Cameron-Dow has been appointed non-executive director of CVCheck.