Mark Henry Armour is on the board of Tesco Plc and Opera North Ltd. and Member of The Takeover Panel.

He previously held the position of Chairman of The Hundred Group of Finance Directors, Chief Financial Officer & Executive Director at RELX Plc Chief Financial Officer & Executive Director at RELX NV and Chief Financial Officer & Executive Director at RELX Group Plc (both are subsidiaries of RELX Plc) and Partner at Pricewaterhouse & Co.

He received a graduate degree from the University of Cambridge.