Alexander Trees, Baron Trees
British politician and Baron
Alexander John "Sandy" Trees, Baron Trees (born 12 June 1946) is a professor of veterinary parasitology and a Crossbench member of the House of Lords.
Early life
Trees was born on 12 June 1946, in Middlesbrough and spent his childhood in Scunthorpe, North Lincolnshire. He was educated at Brumby Junior School and then at Brigg Grammar School between 1957 and 1964. In 1969, he graduated from Royal (Dick) School of Veterinary Studies, University of Edinburgh with a Bachelor of Veterinary Medicine and Surgery (BVM&S) and therefore qualified as a vet.
Academic career
Upon graduation, Trees undertook a research expedition to Kenya in 1969 to 1970. He then spent a year as a practising veterinarian in Derby, England. This accumulated into completing a Doctor of Philosophy (PhD) on bovine babesiosis. He joined the veterinary pharmaceuticals company Elanco in Rome, Italy. He was veterinary advisor for the Middle East from 1977 to 1979, veterinary advisor for the Middle East, Turkey and Africa from 1979 to 1980, and finally Head of Animal Science in the Middle East and Africa in 1980.
In 1980, he joined the University of Liverpool as a lecturer of veterinary parasitology.
The public source identifies “Alexander Trees, Baron Trees” as british politician and Baron. This brief keeps that definition visible, then builds a research path around Alexander, Trees and Baron.
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Chronology provides the most reliable spine for this subject; interpretation should follow only after identities and dates are secure. The source revision retrieved here is dated Sep 1, 2026. The linked authority identifier is Q2643160. VIAF identifies the subject as 311299363. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 1 use preferred rank. The first chronological checks are 1946, 1957, 1964 and 1969.
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This entry incorporates text from “Alexander Trees, Baron Trees” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.