Brent Adamson is a Principal Executive Advisor, serving heads of B2B and B2C sales and marketing. Mr. Adamson's work spans a wide range of commercial challenges, including customer buying behavior, sales performance, marketing excellence, commercial strategy, content marketing, customer/consumer experience and understanding, sales management, personalization, leadership and coaching, organizational productivity, and both in-person and digital customer engagement. He facilitates a wide range of executive-level discussions around the world, including global sales meetings, keynote presentations, board-level presentations, and hands-on best practice workshops. He is well known for his passion for productive disruption. He is a sought-after speaker and facilitator, with more than 25 years of experience as a professional researcher, teacher, and trainer. He is also the co-author of The Challenger Customer and the best-selling The Challenger Sale. In addition, he is a frequent contributor to the Harvard Business Review and a regular blogger for HubSpot's sales blog. He has also written for a wide range of business publications, including Forbes, Bloomberg Businessweek, and Selling Power.