Tim Janzen is a family practice doctor at South Tabor Family Physicians in Portland, Oregon. He has had an interest in genealogical research for 45 years and has particularly been involved in Mennonite genealogical research for the past 25 years. He has a web site that summarizes many different sources available for Mennonite genealogical research found at and has given many presentations about Mennonite genealogy in the United States and Canada. For the past 14 years Tim has been become very interested in using DNA analysis to help complement traditional genealogical research. Glenn Penner and he are the co-administrators of the Mennonite DNA project at www.mennonitedna.com. Tim has a strong interest in many areas of genetic genealogy, particularly in regards to phasing and autosomal DNA analysis. He has previously been a consultant to the genetics company 23andMe as one of their Ancestry Ambassadors. He has also been a consultant for Family Tree DNA, MyHeritage, and Ancestry.com. He periodically gives presentations on genetic genealogy and also does private genetic genealogy consulting on a case-by-case basis. Tim is married to Rachel Janzen and they have 4 children.
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