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Polsinelli
Am Law 100 #55
AI approach: Buy-and-deploy (CoCounsel, ChatGPT Enterprise)
Data as of · job boards refreshed Nov 3, 2026
Open AI positions
No open AI roles at Polsinelli right now.
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AI leadership
Regan Lemke
Chief Operating Officer (former AI Enterprise Program lead)
Larissa Marshall
Director of Practice Innovation
Started
Lemke COO Jan 2026
Background
Lemke: chief of staff/practice strategy (legal ops)
Team and structure
Innovation Department chaired by Jonathan Henderson; AI working committee ('viability check' for procurement)
Tools (publicly announced)
Thomson Reuters CoCounsel (firmwide); Enterprise ChatGPT; Fortress AI
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