Skip to main content
Coffman Group, LLC | Kansas City, Overland Park, KS and San Diego, CA

This website uses cookies to offer you a better browsing experience.
You can learn more by clicking here.

Meet Our Sandler Training Team

A local, regional and national company delivering extraordinary results.


Casey Coffman 

Connect with Casey on LinkedIn

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 

Connect with Eric on LinkedIn

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.

Sales and Training Director

Julie Sponagel 

Connect with Julie on LinkedIn

Julie has joined Sandler Training in a role that will help companies improve their bottom-line results, whether those needs stem from the lack of a sales process or the need for organizational effectiveness. Julie can provide sales enablement consulting, sales training, leadership development, business coaching, and professional speaking, all designed to propel organizations forward.

Director of Sales Enablement

Megan Shepherd

Connect with Megan on LinkedIn 

 Megan bridges the gap between people and process. Utilizing her extensive background in sales operations, she helps clients reduce friction within the sales process to get more out of their CRM. Megan uses her experience in system enhancement, sales analytics, and process efficiency to enable sales teams to focus on selling and maximize productivity.


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.