Educational services for methods that teach real-world, revitalized strategies to buy, sell and manage closely held companies and multiply income for entrepreneurs using Quantum Stack Investing/QSI. Chad Peterson’s Quantum Stack Investing™ method teaches real-world, revitalized strategies to buy, sell, & manage closely held companies and multiply your income + wealth. Experience in the banking industry dramatically changed the way Chad Peterson bought, sold, & managed his own businesses. This also helped him forge a completely non-traditional path for buying & selling companies for others, which has made him the #1 business broker in the country.