President and Co-founder, Neurostim Technologies; President, IPVision, Inc. Director Since: Age: Committee(s): Class: July 1998 Independent 74 Audit, Nominating and Corporate Governance (Chair), Finance III Director Qualifications Mr. Hadzima s experience with emerging technology companies, his legal experience, and his service on other boards provides NetScout with a valuable business perspective and insight into emerging technologies that may affect the business and strategies of NetScout. Director Skills Cybersecurity & Data Privacy Oversight Sustainability & Engagement Leadership Risk Management & Governance Strategic Planning Professional Experience and Biography From 1998 to 2023, Mr. Hadzima was a Managing Director of Main Street Partners, LLC, a venture capital investing and technology commercialization company. Since 2000, Mr. Hadzima has also been President of IPVision, Inc., a Main Street Partners portfolio company that provides intellectual property analysis systems and services. In 2019, Mr. Hadzima co-founded Neurostim Technologies, a company commercializing a low cost neurostimulation patch technology for the treatment of the symptoms of various chronic medical conditions. Mr. Hadzima was a partner at Sullivan & Worcester LLP from 1987 to 1996 and was Of Counsel from 1996 to 2024, where his practice consisted of counseling new ventures on business and legal matters and advising financial institutions and others on computer and technology licensing matters. Mr. Hadzima has been a Senior Lecturer at MIT Sloan School of Management since 1990 and serves as a director on two private company boards. Other Public Company Directorships None.