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Trish Lilley

Chief Marketing & Business Development Officer

New York
212 478 7417 212 478 7417 direct

Trish is an innovative, award-winning chief marketing officer who leads Firmwide marketing and business development programs for Thompson Coburn practice areas and attorneys.

A veteran legal marketing executive with 20+ years of industry experience, Trish is known nationally for her creative, highly effective approach to in client development, digital innovation, content-driven branding, market-entry strategies, and marketing operations.

Trish has launched client feedback and key client programs, designed and implemented marketing and BD professional development programming, and conceptualized and executed national advertising and branding campaigns. Her industry leadership in the areas of digital marketing and legal marketing innovation have earned national recognition by the New York Law Journal and the Managing Partner Forum. In 2023, Trish began her term on the Legal Marketing Association's International Board of Directors as Member-at-Large.

As Thompson Coburn's chief client development strategist, Trish studies firmwide data, including client feedback and satisfaction, service trends, pricing and hours, to develop responsive strategies for client development and acquisition. Trish is passionate about collaborating with C-Suite executives on firmwide innovation and culture initiatives that spur engagement, connection and collaboration — qualities strongly tied to successful business development strategies and deeper, more meaningful client relationships.

Supported by a national team of award-winning marketing professionals and technologists, Trish helps attorneys capitalize on their strengths, break into new and existing markets and build lasting relationships with clients.


"Digital Marketing – To the Metaverse & Beyond"
OnCon Annual CMO Conference January 2022

"Capturing the Attention of Decision Maker: Competitive Intelligence in the Modern Law Firm"
Ark Group - New York Law School September 2019


Panelist, "2024 State of the Legal Industry Webinar"
Leopard Solutions, January 24, 2024

Panelist, "How Personal Branding Contributes to Your Professional Success"
Legal Marketing Association Northeast Regional Boot Camp August 2023