Diane DiResta, CSP^®

Certified Speaking Professional · Emeritus

Staten Island, NY, United States

CSP since 2015

Expertise

Leadership & Achievement

About

Diane DiResta, Certified Speaking Professional, is the Founder and CEO of DiResta Communications, Inc., a premier consultancy based in New York City, dedicated to empowering business leaders to deliver high-stakes presentations—whether one-on-one, on stage, or virtually. With a reputation for transforming complex ideas into simple narratives, Diane helps executives, entrepreneurs, and lawyers engage their audiences with confidence and impact.

An acclaimed author, Diane's book Knockout Presentations: How to Deliver Your Message with Power, Punch, and Pizzazz is a go-to resource for those seeking to master the art of persuasion. Her work has earned widespread recognition, including a feature of her book on the iconic billboard in Times Square. Diane has spoken on four continents and worked with top-tier clients, including Fortune 500 companies, professional service firms and non-profits.

A former president of the National Speakers Association's New York City chapter, Diane has been a sought-after expert on communication, featured on CNN and quoted in The New York Times and The Wall Street Journal. Her LinkedIn Learning course, Speaking Confidently and Effectively, ranked among the top 20 most popular courses for two consecutive years. Additionally, she was named one of the Top 20 Speaker Coaches and Trainers by ZoneofGenius.com.

Listed in the Global CSP® Directory, checked against NSA records October 2026. Back to the directory