Crystal partner
Brad & Tiffany Koettel
Partner Contact, Growth Mindset Sales

Growth Mindset Sales, a franchisee of Sandler Training, is the industry expert in sales training and team development. We help small to large companies and corporations, as well as individuals, in the Dallas-Fort Worth area achieve new levels of success. We specialize in sales management training, sales team training, customer service (inside sales) training, job skill assessments, online hiring evaluations, cold call training, content development for marketing and sales, and industry specific training.
Request a demo
Schedule your product demo
See how Crystal and Growth Mindset Sales can transform the way you communicate.
Explore the Crystal partner network
Browse certified Crystal partners, or apply to join the network and help your clients communicate more effectively using personality insights.