Gayle Mumm Rossi

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Gayle Mumm Rossi is a Vice President in the New York Graphics office of DecisionQuest with a strong following of clients in the financial sectors. Ms. Rossi translates complex information into simple and compelling visuals. With over 24 years of experience, she has been involved in hundreds of cases, including securities, white collar, auditor liability, contract, securities, intellectual property, product liability and other complex civil disputes. Her responsibilities range from working with the trial team to develop strategic concepts for demonstrative evidence to overseeing the creative development and production of the exhibits.

Ms. Rossi has worked closely with hundreds of experts on their visual aids to ensure their testimony is clear to the decision-maker. She focuses on the key takeaway of every graphic to ensure the visuals are conveying the evidence in the most persuasive way to judges, jurors, arbitrators, mediators and other triers-of-fact in venues across the country.


Wellesley College
B.A., Political Science and Spanish


“Hits and Myths About the Use of Graphics at Trial,” Tort Trial & Insurance Practice, Business Litigation Committee, Winter 2010
“Judges Are People Too,” 2012

“More Than Pretty Pictures: How the Message Determines the Demonstrative,” Tort Trial & Insurance Practice, Business Litigation Committee, Summer 2015

“You’ve Come a Long Way, Baby, But There Are a Few More Things You Still Need to Know About Trial Technology,” July 2013 (with Ann Greeley, Ph.D.)


“Begin with the End in Mind–Developing Your Case from End to Beginning,” 2006

“Developing Effective Graphics,” 2007

“How Jurors Learn,” 2008 “Preparing for Securities Litigation,” 2016

“Persuasive Storytelling,” 2017

“Developing a Visual Strategy: The Message Determines the Demonstrative,” 2017

“Jury Psychology in Securities and White Collar Matters” 2017

“Effective Use of Exhibits and Demonstratives at Trial,” 2016 and 2017, National Institute for Trial Advocacy Training, Washington, DC


American Bar Association, Section of Litigation, Member