Certificate Verification ID: 12D2790A8-127222202-1270484C9 Javascript must be enabled in the browser to see the certificate. See how to do it. recipient Samuel Yee instructor Tom Abbott Add to Profile Sales Grit - Attitude Advantage 12D2790A8-127222202-1270484C9 Issue Date: July 15, 2026 About The Course Sales Grit - Attitude Advantage read more Download PDF
