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Our Chicago Team

  • Jim Mattei
    Jim Mattei has more than 20 years of extensive sales experience that he brings to his clients. As a Sales Force Development Specialist he uses his passion for helping companies develop and grow their sales teams using the Sandler methodology.
  • John Martin
    John Martin is not your typical corporate sales trainer. He has distinguished himself as a passionate and vibrant sales leader who inspires sales teams to up-level their engagement with customers, prospects, colleagues.
  • Karen Meracle
    Karen Meracle helps sales organizations restructure their selling process so they can quickly determine where and with whom to invest their time and resources, in order to obtain the greatest return on that investment. They Close More Sales, More Quickly and More Profitably.
  • Benjamin Williamson
    Benjamin Williamson spearheads multiple departments including IT, Customer Success, AR/AP, and Marketing as Director of Operations. During his 6 years at Sandler, he has significantly enhanced operational efficiency and marketing impact, achieving top SEO rankings and facilitating a seamless transition to remote work. Skilled in HubSpot and process optimization, his leadership promotes growth and innovation.
  • Sullyena Kowalski
    Sullyena Kowalski, a Strategic Support Partner at Sandler since 2018, excels in project management with a knack for detail. She equips teams for success, laying a meticulous groundwork for coaches to shine. A true team player, her exceptional communication and organizational skills enhance team cohesion.
  • Jason Caywood
    Jason is a sales executive with over 19 years of experience leading and developing teams. He was also a client of Sandler Training for over 12 years where he experienced the transformational impact of the Sandler System on his personal and professional life. He has built territories and teams from the ground up, all over the country, regularly outgrowing the market by 4X-7X. On average, his clients receive a 10X ROI with him while his top clients have experienced a 35X ROI, or more. His company’s mission is to help their clients achieve their most important personal goals through better performance in their business.Jason is a proud native of Utah and loves helping others reach their maximum potential.
  • Tiffany Koettel

    Tiffany Koettel is a dedicated Sandler Trainer passionate about helping sales professionals reach their full potential. Her career is rooted in Sandler Training principles, guiding organizations to transition from traditional selling to consultative, problem-solving approaches. Tiffany’s success stems from her ability to connect with people and her commitment to growth. She customizes training to address specific challenges, empowering sales teams to adopt a customer-focused mindset. Tiffany thrives on working with growth-minded individuals and organizations, making a significant impact through her expertise and enthusiasm. Outside of work, she engages in charitable activities, Vistage groups, and her community, reflecting her belief in continuous learning and helping others excel in sales.

  • Jody Williamson
    Jody Williamson is a best-selling author of The Contrarian Salesperson, sales and management thought leader, keynote speaker and leader for sales training and consulting engagements. His key areas of focus are sales leadership, strategy and client satisfaction.