O'Brien Group (O'Brien Family Office) is a family office - single based in Skokie, IL, United States, founded in 2009. Verified contact details, AUM data, and investment preferences on FindLPs.
O'Brien Group is a single family office based in Skokie, IL, United States, managing the private wealth and investments of the O'Brien family. Founded in 2009.
FindLPs holds verified direct email addresses and phone numbers for decision-makers at O'Brien Group (O'Brien Family Office). Contact details are masked on the free plan — start a plan to unlock full access and CSV export.
Unlock Contact DetailsSearch 25,850 limited partners with verified contact details.
LP firm data compiled from public regulatory filings (SEC Form ADV, FCA, AIFMD disclosures), company websites and press releases, LinkedIn public profiles, and verified outbound email testing. AUM figures reflect self-reported values from filings and may lag by 1–2 fiscal quarters; bands are normalized in USD. We do not publish personal residential information; firms or individuals may request removal at /contact. Methodology & sources · Updated July 2026.