Advertising Expert Witnesses in Florida

The SEAK Expert Witness Directory contains a comprehensive list of advertising expert witnesses who testify, consult and provide litigation support on advertising and related issues. Advertising expert witnesses and consultants on this page may form expert opinions, draft expert witness reports, and provide expert witness testimony at deposition and trial. The issues and subjects these advertising expert witnesses testify regarding may include: Advertising, Ad Servers, Algorithms, Artificial Intelligence, Big Data, Brand Reputation, Cloud Computing, Communications, Computer Science, Computer Vision, Consumer Survey, Crm, Data Analytics, Databases, and Defamation Of Character.

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Gregory Kohs

Research Biz, LLC

Jensen Beach, Florida
Marketing, Statistics - Market research, Survey research, Consumer survey, Product testing, User research, Qualitative, Quantitative, Population sampling, Web survey, Telephone survey, Focus groups, In-depth interviewing, Social science, Pricing, Survey software, Questionnaire, Polling, Advertising, Offers, Wikipedia
I am a market research practitioner and executive with 33 years of experience in the field. I own and manage the market research consulting firm, Research Biz, LLC. I hold a Master of Arts degree and was ABD toward the Ph.D. from Temple University, with my dissertation focused on how licensed motor designs influence military aircraft production. I also received a Bachelor of Arts degree, magna cum laude, from Emory University. I am an experienced expert witness in civil litigation, including multiple cases centering on technology patent infringement claims against Top 5 Internet companies. From 2012 to 2019, I was Director for Comcast Business where I headed the market research department, overseeing the design and execution of primary market research projects. I was selected for the role after having worked for five years from 2007 to 2012 with Comcast Xfinity’s product planning and pricing group, managing survey research, focus groups, and the overall budget for that department...
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Sanjay Ranka

Computer Science: IPR, Infringement, Invalidity

Distinguished Professor, Computer Science, University of Florida, Gainesville

GAINESVILLE, Florida
Computers, Information Technology - Databases, Algorithms, Parallel Computing, Distributed Computing, Distributed Systems, GPU Computing, High performance computing, Data Analytics, Big Data, Computer Science, Artificial Intelligence, Computer Vision, Machine Learning, Expert Systems, Cloud Computing, Marketing, CRM, Advertising, Optimization, Ad Servers
I am a Distinguished Professor of Computer Science at the University of Florida, IEEE Fellow, and AAAS Fellow, and I serve as an expert witness in patent litigation and other complex technology matters involving distributed systems, cloud infrastructure, data platforms, machine learning, GPU-accelerated and high-performance computing systems, and large-scale software architectures. My work focuses on helping counsel and courts understand how modern computing systems operate in practice—particularly where technical claims, system behavior, and real-world implementation diverge. This includes analyzing how systems behave under scale, latency, partial failure, and distributed coordination constraints. I provide clear, structured, and defensible technical analysis across all phases of litigation, including expert reports, depositions, PTAB/IPR proceedings, and trial testimony. I previously served as CTO and co-founder of Paramark, an ad-serving optimization platform (PILOT) that opera...
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Chuck Malkus

Defamation, Marketing, Communications, Advertising

Malkus Communications Group, Chuck Malkus Expert Witness

Jacksonville, Florida
Marketing, Defamation - Communications, Reputation Harm, Public Relations, Brand Reputation, PR/Marcom, Negative Media Exposure, Defamation of Character, PR Professional Practices, Reputational Damage, Media, SEO/Website, Strategic Branding, Public Opinion, Online/Internet Defamation, Online Reputation Management, Advertising, TV/Streaming, Film
A renowned communications professional, Chuck Malkus has 37+ years with leadership developing marketing and public relations strategies for Fortune 500 corporations. His specialization includes crisis management, reputation damage and defamation harm. His agency work includes serving as a chief strategy officer and he provides interviews for TV networks including CNBC, CNN, NBC and Fox Business. He currently lectures as a senior executive in residence at the University of North Florida and previously was a faculty member for Florida Atlantic University. He has worked broadly in advertising, branding, business development and reputation management. A prominent consumer behavior authority, he’s recognized for launching new brands and start-up businesses. Mr. Malkus has been described by The Miami Herald as a “public relations guru” and is a nationally recognized ethics authority. He has been a keynote speaker for organizations including the Kansas Government Finance Officers Associat...
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California, Florida, Maryland, Massachusetts, New York, Texas, and Washington