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Jonny Perl

DNA Testing Technology DNApainter.com

Jonny Perl is a genealogist, DNA enthusiast and web developer based in Swansea, Wales. He is the creator and founder of dnapainter.com, an award-winning web application for chromosome mapping. Jonny has also collaborated with leading genetic genealogists to create other popular tools that help people around the world interpret the results of their autosomal DNA tests. His passion is in exploring new ways of visualising DNA and family tree information to help make it more inviting and user-friendly. Born in Belfast, Jonny has family roots in Ireland, England and Germany.

Jonny's Upcoming Live Webinars (1)

DNA TestingTechnology
Shared DNA at a glance: the new DNA matrix tool
Jonny Perl
Fri, May 30 2025: 18:00 UTC
Register for free
Shared DNA at a glance: the new DNA matrix tool
Fri, May 30 2025: 18:00 UTC
Jonny will introduce and demonstrate a new tool at dnapainter.com that can help you analyze and showcase shared DNA.
DNA TestingTechnology
Shared DNA at a glance: the new DNA matrix tool
Jonny Perl
Jonny will introduce and demonstrate a new tool at dnapainter.com that can help you analyze and showcase shared DNA.
Fri, May 30 2025: 18:00 UTC
Register for free

Jonny's Webinars (6)

Advanced
1:12:20
DNA TestingTechnology
Practical chromosome mapping: gaining insights from segments of DNA
Jonny Perl
3.2K views
CC
Free
Practical chromosome mapping: gaining insights from segments of DNA
Chromosome mapping helps you understand how you inherited DNA from your ancestors and can be highly addictive. Join DNA Painter founder Jonny Perl as he explores hands-on examples demonstrating what you can learn from the segments you share with your matches.
DNA TestingTechnology
Practical chromosome mapping: gaining insights from segments of DNA
CC
Free
Jonny Perl
3.2K views
Chromosome mapping helps you understand how you inherited DNA from your ancestors and can be highly addictive. Join DNA Painter founder Jonny Perl as he explores hands-on examples demonstrating what you can learn from the segments you share with your matches.
Wed, September 18 2024: 18:00 UTC
Register for free
1:13:43
DNA TestingTechnology
Beginning with DNA Painter
Jonny Perl
4.6K views
CC
Free
Beginning with DNA Painter
Learn how the DNA Painter website can help decode your matches. In this introductory webinar, Jonny will explain how and why you would use the site’s main features, as well as explaining what information is needed for each.
DNA TestingTechnology
Beginning with DNA Painter
CC
Free
Jonny Perl
4.6K views
Learn how the DNA Painter website can help decode your matches. In this introductory webinar, Jonny will explain how and why you would use the site’s main features, as well as explaining what information is needed for each.
Wed, October 4 2023: 18:00 UTC
Register for free
Advanced
1:18:22
DNA TestingTechnology
What’s New at DNA Painter
Jonny Perl
5.2K views
CC
Free
What’s New at DNA Painter
DNA Painter is a popular website for genealogists who want to explore their autosomal DNA test results. Join site creator Jonny Perl for this update on new features for tree visualizations and chromosome mapping, as well as other recent releases and tools.
DNA TestingTechnology
What’s New at DNA Painter
CC
Free
Jonny Perl
5.2K views
DNA Painter is a popular website for genealogists who want to explore their autosomal DNA test results. Join site creator Jonny Perl for this update on new features for tree visualizations and chromosome mapping, as well as other recent releases and tools.
Wed, July 6 2022: 18:00 UTC
Register for free
1:17:18
DNA TestingTechnology
Four ways DNA Painter can help with your family history research
Jonny Perl
29.3K views
CC
Free
Four ways DNA Painter can help with your family history research
DNA Painter is a website that aims to help demystify your DNA matches via chromosome mapping, tree visualizations and other useful analysis tools. This talk will present four ways the site can be used, with examples that will be informative to beginners and experienced users alike.
DNA TestingTechnology
Four ways DNA Painter can help with your family history research
CC
Free
Jonny Perl
29.3K views
DNA Painter is a website that aims to help demystify your DNA matches via chromosome mapping, tree visualizations and other useful analysis tools. This talk will present four ways the site can be used, with examples that will be informative to beginners and experienced users alike.
Wed, December 2 2020: 0:00 UTC
Register for free
Advanced
1:29:18
DNA TestingTechnology
‘What are the Odds?’ An online tool that can help solve DNA puzzles
Jonny Perl
62.6K views
CC
Free
‘What are the Odds?’ An online tool that can help solve DNA puzzles
When working with DNA for family history research, there are many scenarios where a "mystery match" will emerge. This person will share DNA with several people within a known tree, while their genealogical connection to the tree is not known. They could be someone with unknown or mistaken parentage, or…
DNA TestingTechnology
‘What are the Odds?’ An online tool that can help solve DNA puzzles
CC
Free
Jonny Perl
62.6K views
When working with DNA for family history research, there are many scenarios where a "mystery match" will emerge. This person will share DNA with several people within a known tree, while their genealogical connection to the tree is not known. They could be someone with unknown or mistaken parentage, or…
Wed, June 3 2020: 0:00 UTC
Register for free
Advanced
1:24:57
DNA TestingTechnology
An Introduction to DNA Painter
Jonny Perl
157.6K views
CC
Free
An Introduction to DNA Painter
DNA Painter is a website that aims to help demystify your DNA matches. This talk will introduce the site's features and tools for chromosome mapping and relationship prediction. The concept of chromosome mapping will then be discussed, with detailed examples of how the site can be used to visualize your…
DNA TestingTechnology
An Introduction to DNA Painter
CC
Free
Jonny Perl
157.6K views
DNA Painter is a website that aims to help demystify your DNA matches. This talk will introduce the site's features and tools for chromosome mapping and relationship prediction. The concept of chromosome mapping will then be discussed, with detailed examples of how the site can be used to visualize your…
Wed, April 3 2019: 0:00 UTC
Register for free