Dave Vance has been a genealogist for more than 35 years and active in genetic genealogy since 2005. He is the author of “The Genealogist’s Guide to Y-DNA Testing for Genetic Genealogy” published in 2020. Dave is also the author of the SAPP tool (https://www.jdvsite.com) for Y-DNA phylogenetic trees and the editor for the Journal of Genetic Genealogy. He is currently administrator for the Vance surname project and co-admin for the R1b-L513 haplogroup project as well as the president and DNA advisor for the Vance Family Association, a traditional genealogy surname association.

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