Gilean Alistair Tristram McVean FRS FMedSci[5] (born February 1973)[6] is a professor of statistical genetics at the University of Oxford,[7] fellow of Linacre College, Oxford and co-founder and director of Genomics plc.

[11] He completed his PhD in the Department of Genetics at the University of Cambridge supervised by Laurence Hurst[12][13] in 1998.

[3][14] McVean completed postdoctoral research at the University of Edinburgh from 1997 to 2000, supervised by Brian and Deborah Charlesworth.

[23][24] McVean developed a statistical method to look at recombination rate which helped to identify PRDM9 as a hotspot positioning gene.

[27][28] In 2010, McVean was awarded the Francis Crick Medal and delivered that year's lecture entitled "Our genomes, our history".