Jacqueline Steele is Executive Headteacher of Ark Priory Primary Academy, Ealing, which opened in September 2013 and Ark Byron Primary Academy, Ealing, which opened in September 2015. Jacqueline was the founding headteacher of Ark Primary Academy in Wembley which opened in 2008 and was graded outstanding by Ofsted in 2010.

Fiona Kaplan is Head of School for Ark Byron Primary Academy in West London, which opened in September 2015. She brings a wealth of experience, having previously been Assistant Headteacher and Early Years Leader at nearby Wendell Park Primary School. 

Joshua Perry is the Director of Programme Support for Ark, and the writer of a blog called "Bring More Data."  In this post, reprinted from his site, he argues that schools in the developing world would greatly benefit from computerised information systems, if the price was right. Joshua became Chair of Governors for brand new school Ark Byron Primary in September 2015.