Ninna graduated in economics from Cambridge University before spending 14 years developing a successful career in fund management with Hambros and Mercury Asset Management.
Upon leaving the City, she moved to Wiltshire, where in 1998 she became a chair in both the adult and youth criminal magistrates' courts in Swindon and Wiltshire. More recently, she also a became chair in the family bench, dealing with a variety of cases relating to children, child protection, and family breakdown.
In 2011, Ninna became a chair of governors at a both day and residential school for pupils with autism and complex emotional issues.
Ninna remains a director of, and company secretary for, a private investment company.
In these roles, Ninna has gained diverse expertise in the financial sector, corporate governance, and special needs education. She has extensive knowledge of SEN, particularly management and governance, as well as a depth of recognition as to the difficulties faced by vulnerable pupils, whether gifted or less able.
Ninna has also developed a comprehensive understanding of the approach of local authorities and regional schools commissioners to schools, and undertaken extensive due diligence into the multi-academy trust sector. These expertise make Ninna an extremely valuable member of the Board of Trustees.