![John Doe](https://qms2f4.p3cdn1.secureserver.net/wp-content/uploads/2016/04/t1-2.jpg?time=1722066679)
John Doe
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.
![Marlaina Capes](https://qms2f4.p3cdn1.secureserver.net/wp-content/uploads/2016/04/t2-2.jpg?time=1722066679)
Marlaina Capes
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.
![David Schenken](https://qms2f4.p3cdn1.secureserver.net/wp-content/uploads/2016/04/t4.jpg?time=1722066679)
David Schenken
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.
![Lonnie Radzinsky](https://qms2f4.p3cdn1.secureserver.net/wp-content/uploads/2016/04/t3-1.jpg?time=1722066679)
Lonnie Radzinsky
Lonnie is especially gifted working with clients in the early stages of a project to identify the root cause of their sales performance issues and crafting solutions that make sense in their unique situation. Tim is a sought-after speaker and author on advanced sales and marketing topics, and is co-author of The Solution Selling Fieldbook and The Collaborative Sale.
![Edgars Kronbergs](https://qms2f4.p3cdn1.secureserver.net/wp-content/uploads/2016/04/t5.jpg?time=1722066679)
Edgars Kronbergs
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.