VP Worldwide Sales
Prior to joining Virtensys, Mr. Calkins served as Vice president of Worldwide Sales for Silverback Systems (acquired by Brocade in January 2007) where he was responsible for OEM and Channel sales. Before Silverback, Mr. Calkins was a Sales and Marketing Vice President for Adaptec, Inc., where he was instrumental in its OEM, distribution and reseller channels, and developed its reseller-partner program. Before Adaptec Inc., he served as Regional Vice President of Zenith Data Systems at which during his tenure reached the billion-dollar annual revenue mark. He has more than 28 years of sales and marketing experience. Mr. Calkins holds a bachelor's degree from Ferris State University.
