WISeKey International Holding Ltd. announced that it has appointed Ben Stump as its Chief Revenue Officer with global responsibility for sales and marketing. Mr. Stump brings nearly 25 years of experience and proven success in sales, marketing, innovation and technology. Mr. Stump was most recently WISeKey's VP of Business Development, Brand Protection & Customer Engagement for the U.S. Prior to joining WISeKey, Mr. Stump was Chief Technology Officer at OpSec Security where he developed and implemented OpSec's digital transformation and introduced SaaS offers for supply chain management with blockchain technology, consumer engagement and license management, as well as managed service offers for online brand protection. Prior to OpSec, he held executive management positions with Westell Technologies, Kentrox, Digicel, and Telcordia.