Chief Marketing Officer
John joined the Sonim team as Chief Marketing Office in December 2019. An accomplished business leader, John will be responsible for corporate marketing, channel marketing, communications, product management and product marketing. Prior to joining Sonim, John served as chief revenue officer and vice president of marketing at Xplore Technologies. Following Xplore’s acquisition by Zebra Technologies, he helped integrate the business as vice president sales and marketing. Prior to that, Graff served in executive roles at National Instruments, where he built a reputation for capitalizing on new trends and technologies to drive growth and profitability.