After graduating from Oxford, Fursdon joined the Civil Service, working at the Ministry of Defence in the Navy Department and on nuclear disarmament and as part of a British delegation at a United Nations Conference on Disarmament in Geneva in 1979. Fursdon left HM Civil Service in 1979 and transferred to Devon to take on the challenge of resuscitating the Fursdon Estate. To help this he firstly became a teacher at Blundell's School, serving subsequently on the school's board of governors for 27 years, the last 11 as Chairman.[4] He played minor counties cricket for Devon in 1981, making four appearances in the Minor Counties Championship.[11]
Fursdon attended the Royal Agricultural University (RAU) 1984/06 (elected Honorary Fellow in 2016), qualifying as a rural surveyor (FRICS) and worked as an equity partner, land agent and property auctioneer at Stags until 2003. He was Board Chairman (2003-05) and then President (2005-07) of the Country Land and Business Association (CLA), was a Commissioner of the Affordable Rural Housing Commission in 2005/06 and was a member of the Board of both the Crown Estate (2008-16) and English Heritage (2010-14).[4]
He volunteered as Chairman of the SW Board for the London 2012 Olympic Games which oversaw the torch relay in the SW and the sailing competition at Weymouth and Portland; as Chairman of the DEFRA/Industry Future of Farming Review in 2013 looking at opportunities for New Entrants in Agriculture and as Chairman of the SW Rural Productivity Commission for the four SW LEPs in 2015. Other voluntary roles include Trustee on the Board of the National Trust (from 2016); Trustee of the Prince's Countryside Fund (from 2019), rural non-executive for the Duchy of Cornwall (from 2008) and initially working on the agricultural skills agenda and then as the first Chairman of TIAH (The Institute for Agriculture and Horticulture).[12]
In 2014 Fursdon became Chairman of Dyson Farming[13] and in 2017, a Commissioner and subsequently (2019) a Trustee of the Food, Farming and Countryside Commission.[14]