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Coffman Group, LLC | Kansas City & Overland Park, Kansas

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Meet Our Sandler Training Team

A local, regional and national company delivering extraordinary results.


Casey Coffman 

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Casey Coffman brings drive, passion and decades of goal-breaking experience to what he and his organization, Coffman Group, Inc., do best: create world-class sales professionals and help CEOs drive lasting growth through training, counsel and ongoing support.


Eric Dunn 

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Eric Dunn joined the company in 2003 as an associate and soon became a partner in 2005. Since that time Dunn has been instrumental in growing the company’s corporate sales division. His unique communication skills and coaching abilities stem from a wealth of knowledge and experience in both the corporate and entrepreneurial sectors.

Managing Director

Tom Mulligan 

Connect with Tom on LinkedIn

Tom Mulligan brings to the Coffman Group a record of uninterrupted success in sales and sales training. He is an award-winning performer at the fortune 500 level and has helped thousands of small businesses achieve their goals. He understands business owners because he is one.

Client Success Manager

Caylee Knox 

Connect with Caylee on LinkedIn

Caylee is the quarterback for customer satisfaction and understands that your success is our success. She brings over 9 years of experience in sales operations and believes her clients are the #1 priority through each engagement. She is a true customer advocate and a front-line problem solver to maximize customer value, build authentic relationships and work together to drive positive organization impact.

Sandler Books

The Sandler library of books includes two Amazon and Wall Street Journal best sellers, as well as the best-selling sales classic for any sales book ever.