2009 on the influence of Plato and Aristotle on the Renaissance. Sanskrit language SES represents the largest body of Sanskrit students in the UK. SES currently teaches Sanskrit from beginner level to IGCSE Ayurveda SES has been an informal networking centre for individuals interested in Ayurveda, however, it has never taken any formal initiatives related to ayurvedic medicine. Since the 1970s some well-known ayurvedic practitioners have had loose associations with the SES. Administration (UK) Course fees are kept low to encourage recruitment; they are a small part of the organisation's income, while donations and wills have enabled the SES to own substantial properties. Donald Lambie is supported by a nine-member Executive Committee elected by the 230-person governing body of the SES, known as the 'Fellowship'. It has 240 'Ordinary Members' and 41 'Associate Members' in its Fellowship. The principal of SES is Ian Mason, a barrister and a global facilitator for the UN Harmony with Nature project. The Fellowship rules include by 6 objects the first and principal one being: To promote the study of natural laws governing the relations between men in society and all studies related thereto and to promote the study of the laws customs and practices by which communities are governed and all studies there to. Any person Enrolled on a Philosophy of Economics course can be invited by the Executive Committee to become an Ordinary Member of the Fellowship. In the UK courses are held in nearly 50 towns and cities. In 1972 the UK branch of SES purchased the Waterperry Estate in Oxfordshire, including its horticultural business, which it continues to run to generate revenue for the SES. In 1986 Nanpantan Hall in Loughborough was bequeathed to the SES, and it also owns Brinscall Hall in Preston, as well as eleven further freehold properties and one long leasehold. These include Mandeville Place in London, Belmont House in Stockport, Park House in Glasgow. Other properties are in London, Leeds, Croydon, Edinburgh, Guildford and Colchester. In 2005, the SES sold one of its mansions, Sarum Chase in Hampstead, for £9.3 million. In 2017 the UK charities commission shows the organisation had an income of £5.1m and spending of £4.0m. The organisation also has £15.5m of own use assets, £10.0m of long-term investments, and £2.3m of other assets. The UK organisation has 9 trustees, 98 employees, 500 volunteers and lists its area of operation as the UK.