Law firms Simpson Thacher opens in Chicago with five-partner hire from Kirkland Kate Peacock · 6 August 2026 · 2 min read United States Kirkland & Ellis Simpson Thacher & Bartlett Simpson Thacher & Bartlett has launched in Chicago, hiring a five-partner team from rival Kirkland & Ellis.Ryan Harris, private investment and family office practice lead at Kirkland, will serve as managing partner of the new office.Your limit of 1 article in 30 days is up. Please login for full access or subscribe. Corporate users - click here for simple access (no password needed). For more information, please contact [email protected] Related ContentMore in this categorySimpson Thacher continues Weil raid across London and New YorkLaw firmsKate Peacock2 Sep 2026Revolving Doors: latest hires for Eversheds Sutherland, HFW and Bird & BirdLaw firmsNews Editor2 Sep 2026Simpson Thacher hits Weil for London corporate partnerLaw firmsTom Cox26 Aug 2026US firms lead as Nvidia acquires Hugging Face for $13bnLaw firmsWill Lewallen4 Sep 2026Cahill to see three-partner banking team leave in New YorkLaw firmsWill Lewallen3 Sep 2026Sidley snaps up NY tax partner in latest Wachtell exitLaw firmsWill Lewallen3 Sep 2026In numbers: How Slaughters’ £110m fee haul doubles nearest rival on UK’s biggest dealsLaw firmsKate Peacock3 Sep 2026International expansion ‘priority’ as OC launches two new offices in a weekLaw firmsTom Cox3 Sep 2026HSF Kramer added to $1bn malpractice suitLaw firmsWill Lewallen3 Sep 2026