About Global Sales University
At Global Sales University (GSU), we are on a mission to redefine how sales professionals and businesses approach revenue growth. Founded by Mr. Bunmi Jembola, CEO of SalesRuby Limited, GSU was born out of a bold vision: to create a world-class platform where individuals and organizations can access practical, transformative sales education tailored to today’s fast-changing business landscape.
Backed by SalesRuby’s nine years of experience training over 10,000 professionals and 1,000+ companies across 50+ industries, GSU combines deep industry knowledge with cutting-edge learning methods to help our learners thrive and excel.
Our Mission
To empower individuals and organizations with globally relevant, practical sales education that drives measurable business growth and career transformation.
Our Vission
To become the leading global platform for sales and revenue excellence, transforming how sales professionals and organizations grow, compete, and succeed.
Our Story
SalesRuby has spent nearly a decade helping businesses across Africa and beyond build powerful sales teams and achieve consistent revenue growth.
Through this journey, Mr. Bunmi Jembola saw a clear need: a scalable, accessible, and modern platform where salespeople and business leaders could gain the exact skills needed to compete globally.
Global Sales University was created to meet that need. GSU offers a dynamic online learning experience for both individuals seeking career growth and companies looking to train their teams at scale.
What We Offer
Why Choose GSU?
Message from Our Founder
Sales is the lifeblood of every business, yet many professionals and companies lack the skills and systems needed to sell effectively.
Global Sales University was created to bridge that gap—to empower people everywhere to close deals, grow revenue, and achieve sustainable success.
My goal is to make world-class sales education accessible to anyone, anywhere.”
Mr. Bunmi Jembola
Founder & CEO, Global Sales University
Meet Our Lead Instructors
🇳🇬 Bunmi Jembola
Bunmi Jembola is Africa’s leading sales trainer with a decade-long history training Africa’s biggest brands including MTN, SeamlessHR, Coca Cola, Flour Mills PLC etc. BJ has had the opportunity to train over 10,000 sales people and business owners as well as over 1,000 organizations.
Winston Nolan 🇿🇦
Wnston Nolan is one of Africa’s best trainers on sales execution and revenue growth. For almost two decades he has helped over 10,000 sales people win. South Africa’s. Brings nearly 18 years of frontline sales experience, spanning both B2B and B2C environments
Number Speaks
10+
Awards
5+
Countries
12+
Partners
7K+
Students
What Our Students Have to Say
Join the Movement
Whether you are an individual looking to boost your career or a business ready to transform your sales team, GSU is here to guide you every step of the way.
Start your journey today and become part of the next generation of sales leaders.
Explore Our Programs >