DNA Test Surprises

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DNA Test Surprises

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Author of "Before and After the DNA Test: A Practical Guide to Genetic Privacy, Medical Risks and Family Secrets" (Bloomsbury 2027); TEDx Speaker on “What to Consider Before and After You Take a DNA Test.” See www.MariaLeonardOlsen.com for more info.

08/02/2026

Publication date is getting closer—February 4, 2027! Already booking speaking engagements. Contact me if you’d like me to speak at your group or organization.

07/13/2026

My upcoming book, "Before and After the DNA Test: A Practical Guide to Genetic Privacy, Medical Risks, and Family Secrets" (Bloomsbury 2027), is now listed on Goodreads' Listopia lists. I would be grateful if you would vote for the book on these lists! Look up the title on Goodreads, scroll to the bottom of the page, and see which lists the book is on so that you can enter a vote. Many thanks!

07/07/2026

Grateful that my TEDx Talk about DNA tests is included in DNAngels' resources:

https://dnangels.org/resources/ted-talks

Listen here:

https://youtu.be/LDl3B-TKSgA?si=yXPzVOfzu78e4hwG

Comments and shares appreciated. Thank you DNAngels!

07/04/2026

Honored that my upcoming book on DNA test surprises is listed as a resource by Right To Know, an organization that empowers individuals and families impacted by misattributed parentage, adoption, donor conception, and DNA surprises through education, support, advocacy, and community. The book is available to preorder at Amazon and Bloomsbury Publishing:

https://a.co/d/02LAsXQ9

https://www.bloomsbury.com/us/before-and-after-the-dna-test-9798216270560/

05/23/2026

Thank you, Finding Family DNA podcast, for having me on your show and for finding these wonderful photos!

05/19/2026

Honored to be on the Finding Family DNA podcast! “In this episode of Finding Family DNA, attorney, author, and TEDx speaker Maria Leonard Olsen shares the shocking DNA discovery that changed her identity forever. After taking a 23andMe test, Maria learned that the man who raised her was not her biological father. What followed was a years-long search that led her to an aging Hollywood actor, former NFL player, and legendary Del Mar horse handicapper living in California. Maria opens up about navigating a non-paternity event (NPE), meeting her biological father for the first time at a racetrack, and how DNA testing can uncover life-changing family secrets no one saw coming.

Subscribe on Apple Podcasts, Spotify, or wherever you listen — your support helps fund our pro bono DNA cases.

https://open.spotify.com/episode/46RcjOa34Jg9V63df8APPB?si=4dfcLH0vRvSYVST_SLyORg

https://podcasts.apple.com/us/podcast/finding-family-dna/id1742474915?i=1000768632067

https://youtu.be/9fgw0OmtUPc?si=_ybPz5YRlaQFcktF (video)

Hosted by Jay Rosenzweig of BirthParentFinder.com. Birth Parent Finder specializes in locating birth parents, children, and siblings through a combination of investigative research, DNA analysis, and personalized case support.

Address

Washington D.C., DC

Website

http://www.MariaLeonardOlsen.com/

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