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Our Oklahoma City Team

  • Mike Crandall
    Mike Crandall is the Owner and Principal of Sandler Custom Growth Solutions in Oklahoma City, which specializes in sales, management, and leadership development for visionary, growth-minded clients in Oklahoma City and across the United States. Using psychological principles, Mike works with business owners and motivated individuals to create and implement professional development strategies to foster the growth of individuals, teams, and organizations.Over the last twenty years, Mike has been a proven leader in sales, marketing, communications, management, training, business development, market development, and client relations, which has allowed him to lead business growth regionally, nationally, and internationally across 45 states in the US and 5 provinces in Canada. He has held leadership positions with companies such as DeWalt/Black and Decker, James Hardie Building Products, and Propex. In addition to coaching, training, and consulting, Mike is a sought-after speaker and the author of Motivational Management the Sandler Way.
  • Doyce Crandall
    Doyce Crandall is a Consultant, Coach and Trainer focused on Sales, Management, and Leadership Development. She specializes in sales professional recruitment, assessing, and finding the right fit for your organization. We talk about Behaviors, Attitudes, Techniques, and Guts needed to be more Successful in Business Improvement, Sales Growth, and Employee Development. Our firm specializes in helping identify the Blind Spots and Obstacles that are holding you back and then implementing Systems, Behaviors, and Guts to become more Successful. Clients ultimately develop new Habits that lead to Proactive Growth professionally and personally.
  • David Curran
    David Curran serves as a Trainer, Speaker, Consultant, and Director of Business Development for Sandler Custom Growth Solutions in Oklahoma City, OK. He helps Business Owners and Executives work on the behaviors, attitudes, techniques, and guts they need to be more successful in business improvement, sales growth, and employee development.Before working at Sandler, David has served as the Vice President of Enrollment and Student Services for a multinational company working with universities to increase student enrollment and retention. He has led triple-digit expansion at multiple universities through enhanced communication, improved closing rates, shortened sales cycles, and systemized growth strategies garnered from the Sandler Selling System. David has also served as a business consultant for universities, think tanks, and start-ups, owned his own business tech and furniture firm, and for over 10 years led an iconic Southern California retail organization with annual revenue in excess of $45M.
  • Krystle Evans
    Krystle Evans, Director of Client Services and Administration, coordinates and handles all our administration needs, along with producing our live-virtual, interactive workshops and boot camps. She handles the technology and finesse of comfortable connection for hundreds of clients. After spending 20 years in the hospitality and management industry, Krystle knows what truly creates the ultimate client experience with the anticipation of client needs and a level of care she would want her own family to be treated with.“Sandler is the best place that I have ever seen for individual and organizational growth. Being able to have the pleasure of seeing our clients professional and personal lives change, knowing I helped in even the smallest way, is my ultimate passion.”
  • Autumn Ackerman

    As the Client Success Manager at Sandler Custom Growth Solutions in Oklahoma City, Autumn Ackerman plays a crucial role in ensuring our clients have a smooth experience and are happy with our services. She truly understands what our clients need and works hard to meet those needs, showing empathy and excellence, which are important values for Sandler. Autumn loves seeing how Sandler's methods can make a big difference for people and companies. She believes in listening carefully to clients and staying proactive in helping them succeed.

    Before joining Sandler, Autumn was recognized as UCO's Outstanding Professional Sales Student of the Year for 2017 based on her exceptional performance in sales competitions and coursework. She was also named School Champion in the Great Northern Sales Warm-Up Competition, came in second overall in the American Marketing Association Sales Competition, and was a Quarter Finalist in the National Collegiate Sales Competition, where she competed against 72 other universities and 144 competitors.