Giovanni has been married to his wife Elisa for 23 years, and has three children, two of whom attend Carroll ISD schools, and one who attends Texas A&M University. After receiving his BS in Physics, he pursued his MBA in Finance from Santa Clara University. After school, Giovanni pursued a semiconductor design career in Silicon Valley before going on to work for a DFW-based venture capital/private equity firm.

Giovanni currently serves as Chairman of the House Committee on Pensions, Investments & Financial Services and Chairman of the Innovation & Technology Caucus. As a leader in technology policy that comes before the legislature, Giovanni is looked to for guidance on a multitude of different important topics. He has passed several key pieces of legislation such as the Texas Cybercrime Act, the Texas Cybersecurity Act, and the Texas Data Privacy and Security Act. He has also passed legislation creating an Artificial Intelligence Advisory Council, created harsher punishments for doxing, addressed IT workforce shortages, and thoughtfully regulated digital asset service providers. He has previously chaired several technology-focused committees, such as the Texas Data Privacy Advisory Council, the House Select Committee on Cybersecurity, the Joint Oversight Committee on Investment in IT Improvement and Modernization Projects, and the Appropriations Subcommittee on State Infrastructure, Resiliency, and Investment. In recognition of his work, Giovanni was awarded the 2023 Technology Champion Award from the National Association of State Chief Information Officers and the 2022 Champion of Innovation Award from TechNet.

Giovanni was elected to the Texas House of Representatives in 2012 and is serving his sixth term representing District 98 which encompasses all or part of Grapevine, Colleyville, Southlake, Keller, Westlake, and Euless.