Brokerage Rankings: Sotheby's International Realty agents AI recommends in Milwaukee, WI

Sotheby's International Realty has 3 of the 43 agents that ChatGPT, Claude, Gemini and Grok have named for Milwaukee, WI — ranked 4th of 18 brokerages — across 13 responses collected between Sep 2026 and Sep 2026. The engines name individual agents rather than firms; this page groups the named agents whose brokerage resolves to Sotheby's International Realty, so offices, teams and franchise affiliates count toward the brand. Each agent below shows which engines named them, in how many responses and when; the order reflects that evidence, never payment. The count measures presence in AI recommendations, not sales volume or headcount.

Updated Sep 10, 2026 · 4th of 18 brokerages · 3 of 43 named agents (7%) · 13 responses · sothebysrealty.com

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Named agents

  • Lisa Ashley

    Sotheby's International Realty

    Claude Gemini

    Named by Claude and Gemini · named in 6 responses · Sep 2026–Sep 2026

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  • Curt Downes

    Mahler Sotheby's International Realty

    ChatGPT Gemini

    Named by ChatGPT and Gemini · named in 5 responses · Sep 2026–Sep 2026

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  • David Kaster

    Mahler Sotheby's International Realty

    Gemini Grok

    Named by Gemini and Grok · named in 2 responses · Sep 2026–Sep 2026

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Other brokerages AI recommends in Milwaukee, WI

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How this list is built

GeoGenius asks ChatGPT, Claude, Gemini and Grok the questions a buyer or seller would ask about Milwaukee, WI and records every agent each engine names. A person is listed once at least two responses, or two different engines, have named them; their brokerage, as the engines state it, is resolved to its core brand. The method mirrors our published 36-market study at https://geogenius.ai/ai-report.

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