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Mellissa Perez

Director of Operations

Mellissa is an accomplished Director of Operations with 16 years of leadership experience across operations, HR, and organizational strategy. Known for aligning strategic vision with execution, she excels at collaborating across all levels to drive operational excellence. At Simatree, Mellissa leads company-wide initiatives to enhance efficiency, strengthen organizational effectiveness, and safeguard regulatory and contractual compliance. A trusted problem solver and business partner, Mellissa is recognized for building strong, values-driven cultures while delivering measurable business outcomes through process improvement and talent development. 

Education:

  • Bachelor of Arts, Psychology, California State University – East Bay

Our People

Jay Williams headshot

Co-founder

Jay Williams
Patrick McCreesh Headshot

Managing Partner

Patrick McCreesh

Managing Partner

Wesley Flores
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Director of Technology and Architecture

Juan Vega
Steve Kuo headshot

Principal Data Scientist

Steve Kuo
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Principal Advisor

Scott Kirby
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Senior Associate

Katie Lucas
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Senior Associate​

Catherine Quinn

Senior Associate

Anh-Thu Nguyen
Ryan Kirby Headshot

Senior Technology Manager, Application Architecture

Ryan Kirby

Senior Technologist

John Murdock
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Associate

Max White
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Technologist

Kevin Johnson
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Data Scientist

Miles Waggoner
Justine Hu headshot

Senior Consultant

Justine Hu

Senior Consultant

Beleyou Kebede​

Consultant

Declan Thinnes

Data Analyst

Andy Huynh

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