
Daniel Caesar
John has authored several bestselling books, including The New Solution Selling, The Solution-Centric Organization, and most recently, The Collaborative Sale. John is a prolific speaker, and has motivated thousands of professionals across the globe to rethink their sales and marketing approach.

Marlis Michael
Marlaina Capes is an expert in buyer-aligned sales process development and value-based customer conversations. She has led client relationships and served as a lead consultant to numerous large global clients. She is a regularly invited guest speaker in business school programs and a coach for technology startups.

Arthur Leinweber
David is an expert in business-to-business buyer behavior, content and digital marketing transformation, go-to-market strategy, and executive-level demand generation. He is a passionate researcher, publisher, and speaker on these topics, and actively consults with clients that offer professional services and SaaS technology business solutions.

Gordon Römmler
Edgars is a published author of distinguished thought leadership white papers, and articles in leading industry trade periodicals. Additionally, he teamed with Cosine founder, John Doe, in the co-authorship of The Solution-Centric Organization.