SANTA CLARA, Calif.--(BUSINESS WIRE)--Silver Peak, the leader in building software-defined WANs (SD-WAN), today announced the addition of John Vincenzo as the company’s new senior vice president and chief marketing officer (CMO). John comes to Silver Peak at an extremely exciting time, as the company continues to grow its existing business and accelerate the expansion into the budding SD-WAN industry. Leveraging his extensive marketing and enterprise networking experience, Vincenzo will lead Si