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Carol Rolnick, Genetic Genealogy Consultant

About Carol

Carol Isbister Rolnick is a professional genetic genealogist and leading researcher in the genetic genealogy community, specializing in the use of DNA to identify unknown family, solve violent crimes and identify John/Jane Does. 


Since 2014, Carol has helped hundreds of adoptees and others of unknown parentage to find their biological family. Since 2018, she has aided in the successful identification of dozens of suspects in violent crimes (both cold cases and active investigations), as well as John and Jane Does, for law enforcement agencies across the US and Canada. 


In 2015, Carol was part of the team who solved the widely publicized case of Paul Fronczak, who later published his story in a highly acclaimed book “The Foundling.” 


Carol specializes in autosomal DNA research, but is proficient in the use of both y-DNA and mt-DNA as well.  


Bitten by the genealogy bug from an early age, she discovered an even greater passion for genetic genealogy beginning in the very early days of testing. The field satisfies her love of science, big data and an insatiable desire to help solve mysteries.


Continuing Education

- International Symposium for Human Identification / ISHI (Sep 2019, Sep 2020)

- Genealogical Research Institute of Pittsburgh, Advanced Genetic Genealogy (Jul 2018)

- Institute for Genetic Genealogy / i4GG, San Diego, CA (Oct 2016, Dec 2017, Dec 2018, Feb 2020)

- Forensic Genealogy Institute, Advanced DNA Practicum, San Antonio, TX (2016)

- Forensic Genealogy Institute, Advanced Genetic Genealogy and Unknown Parentage, Dallas, TX (2015)

- Numerous local seminars and lectures​

Carol sharing her research

techniques at the 2016

UMDF conference. 

Upcoming Presentations

- North San Diego County Genealogical Society, DNA Interest Group, Carlsbad, CA (18 Sep 2021)

- San Diego Genealogical Society (date TBD)


Past Presentations

- North San Diego County Genealogical Society, DNA Interest Group, Carlsbad, CA (21 Nov 2020) 
  "Who Are You, John Robinson? Using DNA to Confirm the Identity of a Mysterious Alaskan Stowaway"

- International Genetic Genealogy Conference/i4GG, Las Vegas, NV (2/3 Feb 2020)

  "Who Are You, John Robinson? Using DNA to Confirm the Identity of a Mysterious Alaskan Stowaway"

- North San Diego County Genealogical Society, Spring Seminar, Carlsbad, CA (27 Apr 2019) 

  "Case Study: A Chicago DNA Mystery'

- North San Diego County Genealogical Society, DNA Interest Group, Carlsbad, CA (19 Jan 2019)
  "Adopted or Switched at Birth:  A DNA Mystery"
​  “Intro to the New DNA Painter Tool: What Are The Odds”

- North San Diego County Genealogical Society, DNA Interest Group, Carlsbad, CA (17 Mar 2018)

  "Genetic Genealogy Tips and Tricks"

- International Genetic Genealogy Conference/i4GG, San Diego, CA (9/10 Dec 2017)

  "Tips and Tricks from the Genetic Genealogy Trenches"

​  "Identifying the Man Known as Paul Fronczak through DNA Detective Work"
- Concerned United Birthparents Retreat, Carlsbad, CA (6/7 Oct 2017)
  "Searching for Bio-family using DNA: A Guide for Adoptees & Birth Parents"  

- North San Diego County Genealogical Society, DNA Interest Group, Carlsbad, CA (16 Sep 2017)
  "Mirror Trees Tutorial"

- San Diego Genealogical Society, German Interest Group, San Diego, CA (21 June 2017)
​  "Mirror Trees Explained"
​​- Questing Heirs Genealogical Society, Long Beach, CA (21 May 2017)
  "Navigating the Basics of AncestryDNA" 
​  "Using DNA to Identify Bio-Family"
​ - International Genetic Genealogy Conference/i4GG, San Diego, CA (Oct 2016)
  "Mirror Trees Explained"

- North San Diego County Genealogical Society, DNA Interest Group, Carlsbad, CA (Sep 2016)
   ​"DNA Testing: It's All Fun Until...  The Hunt for an Unknown Father"

United Mitochondrial Disease Foundation, Mitochondrial Medicine, Seattle, WA (June 2016)

  "LHON Genealogy Project"