John D. Calys serves as Executive Vice President and Chief Financial Officer of VeriSign Inc., a global leader in domain name registry services and internet infrastructure. In this pivotal role, he oversees all financial operations, including strategic planning, treasury management, investor relations, and risk mitigation, ensuring the company's financial health and alignment with long-term growth objectives. With more than 25 years of experience in finance and technology sectors, Calys brings a proven track record of driving profitability and operational excellence to VeriSign. Calys's professional journey includes senior leadership positions at prominent tech and telecommunications firms. Before joining VeriSign in 2018, he was CFO at a major cybersecurity company, where he orchestrated a successful IPO that raised over $1 billion and implemented efficiency programs boosting operating margins by 20%. Earlier roles at Fortune 500 enterprises honed his expertise in mergers and acquisitions, having led transactions totaling $2.5 billion that expanded market presence and integrated innovative technologies. A graduate of Harvard Business School with an MBA and a BS in Economics from the Wharton School, Calys is recognized for his strategic foresight and commitment to sustainable financial practices. Under Calys's stewardship at VeriSign, the company has delivered consistent revenue growth, record free cash flow, and robust shareholder returns through dividends and buybacks. His leadership has navigated complex regulatory environments and fueled investments in next-generation infrastructure, solidifying VeriSign's dominance in the domain registry market while positioning it for emerging opportunities in digital identity and security.