Simpson Thacher Adds Four Partners to Chicago Office
The firm is scaling operations to fill 100,000 square feet, increasing the local competition for senior professional talent.
Updated on Oct. 28, 2026 in Remote Work
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Simpson Thacher & Bartlett has added four new partners to its Chicago office as it continues to expand its local presence. The move serves the firm's broader plan to occupy 100,000 square feet of office space in the city.
Why it matters
The firm's rapid talent acquisition signals an aggressive scaling strategy to anchor a significant footprint in the Chicago market. Operators should monitor how this expansion influences legal service pricing and talent competition among high-end professional firms in the region.
Simpson Thacher added 4 new partners in October 2026, building on the 5 partners hired during its initial launch. The firm is currently working toward a 100,000-square-foot capacity in its Chicago location.
The players
Simpson Thacher & Bartlett
A global law firm headquartered in New York that provides sophisticated legal counsel to large-scale corporations.
Ryan Harris
The partner responsible for leading and directing the operations of the firm's Chicago office.
White & Case
A global law firm providing legal services to commercial and financial institutions.
Kirkland & Ellis
A major international law firm specializing in litigation, corporate, and intellectual property law.
The details
To execute its growth plan, the firm recruited Shiva Sandill and Trevor Currie from White & Case, alongside Dave Gremling and Lauren Cates from Kirkland & Ellis. The strategy focuses on centralizing high-level expertise within its Chicago office under the leadership of Ryan Harris. This build-out reflects an operational commitment to scaling physical and human capital assets in a concentrated timeframe.
Timeline
August 2026: Simpson Thacher launched its Chicago office.
October 2026: Firm announced four new partner hires.
Market Landscape
The firm's rapid scaling in Chicago follows the broader industry pattern of establishing large-scale regional hubs to capture localized market share. This activity mirrors a multi-year trend of professional services firms increasing their physical footprint in secondary financial hubs.
Operators in professional services should watch for tightened competition for senior legal talent as large firms continue to consolidate space in Chicago. Review existing talent retention strategies and service vendor contracts to ensure your business remains competitive during this period of market scaling.
The takeaway
Large firm expansion signals a high-demand environment for local professional services that may shift pricing for business support. Track firm growth and office occupancy rates in your sector as indicators of changing competition levels in your local market.
Further reading
For more on shifts in office space usage and regional commercial growth, see Remote Work.
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Do you believe major law firm expansions benefit the local professional business landscape in your city?
