"Mark worked for the RSPB for 25 years until standing down in April 2011 to go freelance. He was the RSPB’s Conservation Director for nearly 13 years.
"Mark lives in rural Northamptonshire and is a member of Cheltenham Racecourse, the RSPB, the Wildlife Trusts, the National Trust, Buglife, Plantlife, Butterfly Conservation, Pond Conservation, the BTO, the Wildfowl and Wetlands Trust and the Labour Party." 
Resources and articles
- Mark Avery About, organizational web page, accessed April 15, 2012.