John Glennon
President and Senior Sales Consultant
With over 30 years in sales consulting, training, and coaching, John Glennon has worked with hundreds of businesses across North America to build high-performing sales organizations. His career spans executive sales leadership, consulting, and hands-on team development across a wide range of industries.
John spent years as a Sandler Training consultant, where he honed his approach to sales methodology and behavioral-based selling techniques. That experience, combined with decades of real-world application, led him to develop the 4D Methodology — a structured framework for Discovering the root causes of sales underperformance, Designing customized solutions, Deploying them with the team, and Debriefing to ensure lasting results.
He is a certified Extended DISC assessor and uses personality profiling extensively to improve hiring decisions, team dynamics, and individual coaching outcomes. His approach is direct, practical, and focused on measurable results.
Sandler Training certified consultant
How We Work
Diagnosis Before Prescription
We never prescribe a solution until we understand the problem. Every engagement starts with a thorough discovery process to uncover root causes, not just symptoms.
Customized, Not Cookie-Cutter
Generic programs produce generic results. Every strategy, training program, and coaching plan we deliver is built specifically for your business, your market, and your team.
Results You Can Measure
We define success in concrete terms before the engagement begins. Clear KPIs, regular check-ins, and a 100% guarantee on all programs. If you do the work, the results follow.
The Insight Ecosystem
Over the years, John has built a family of focused brands to serve the specific needs of growing sales organizations.
Develop My Sales Skills
Online workshops and webinar series for sales professionals at every level. Topics include business development, customer service, sales management, and goal achievement.
Hire Me A Salesperson
Full sales recruitment support — from defining the ideal candidate profile through assessment-based screening, behavioral interviews, and onboarding plan design.
Simple Sales Process
A focused program for building repeatable, scalable sales processes that your team will actually follow. From first contact to closed deal, documented and optimized.
Let's Talk About Your Sales Challenges
A 30-minute conversation with John is all it takes to get clarity on what is holding your sales team back and what to do about it.