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CURRICULUM VITAE 

Jay Rosenzweig
Testifying Experience:

September 2018 - Administrative Hearing: Testified as an expert witness at the Santa Monica Rent Control Board to show the hearing officer that the occupants of a unit established residency out of the area before moving back to the unit.

 

August 2018 - Administrative Hearing: Testified as an expert witness at the Santa Monica Rent Control Board to confirm the current physical address of a tenant and showing the hearing officer that the tenant permanently moved out of State.

 

June 2018 - Jury Trial: 10th & Idaho, LLC vs. Friedman; Filed in Los Angeles County Superior Court Case #18SMUD00873. Testified as an expert witness for the Plaintiff in a jury trial to show the Defendant relocated out-of-state without the intentions of moving back to Los Angeles. Plaintiff verdict.

 

2010 - Courtroom Testimony: Los Angeles Superior Court Case #BF 011919. Testified as a rebuttal witness in a family law case regarding the Respondent's employment status

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2003 - Deposition: Volfson vs. Baker Street Group; San Diego County Superior Court, Case #GIC793644. Retained as an expert witness by the insurance carrier to show that a private investigator did not invade the Plaintiff's privacy.

 

2003 - Jury Trial: Volfson vs. The Baker Street Group; Filed in San Diego County Superior Court Case # GIC79364. Testified in the jury trial. Defense verdict.

 

2003 - Courtroom Testimony: Association of Pager Agents Inc. vs Edwin Martinez; Los Angeles County Superior Court, Case #LC061831. Testified as an expert witness at a default prove-up hearing to show fraud and identity theft was committed by the defendant.

 

2001 - Court Trial: Vandervort vs. Sullivan; Orange County Superior Court; Retained as an expert by defense counsel to show that the Plaintiff committed identify theft.

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Professional Experience:

July 2025 - Present

Managing Partner - IRL Investigations

Services include locates and backgrounds, investigate online harassment/cyberbullying,  investigate catfish and romance scams, social media investigations, covert surveillance, difficult service of process.

1990 - Present

Owner of JR Investigations

Services include Surveillance, background checks, locates/skip tracing, fraud investigation, identity theft investigation and family history research/heir searches.

 

2006 - Present

Owner of BirthParentFinder.com

A company that searches for birth parents and connects families through DNA results.

1988

Received California Private Investigator's License, No. PI 13143

1982-1988

Worked for various investigation agencies toward PI license

Certifications:

Certified Professional Investigator through the California Association of Licensed Investigators. Requires 4 credits (24 hours) of continuing education every two years.

Professional Associations:

California Association of Licensed Investigators

   Board of Directors 1991-1999; 2018-2025

   Association President 1997-1998

   Chairman of the Board 1998-1999; 2020-2025

World Association of Detectives

National Council of Investigation and Security Services

Association of Professional Genealogists

Media:

Featured on KTLA Los Angeles Weekend Edition News on the Topic of "Locating Birth Parents and Finding Relatives" April 2014

Executive Producer and Host of Finding Family DNA on YouTube, Spotify and Apple Podcast. 

Publications:

Ezine Articles.com as an expert author

What to Know When Searching for Public Records - Published 2016

Why Do Professional Birth Parent Searchers Charge a Fee? - Published 2015

Vital Record Searches - Where to find birth, marriage and death records online - Re-Published 2010

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