Diana Glassman is Stewardship Director at EOS at Federated Hermes Limited, which engages portfolio company directors and senior executives on behalf of institutional investor clients with over $2 trillion in assets under advice. She focuses on business strategy, risk management, sustainability and systemwide AI oversight encompassing digital governance, human capital and organizational change, and datacenter energy considerations. Diana looks after the technology and oil & gas sectors, some of the largest financial institutions, and board effectiveness across sectors. She led the global team that won the 2024 International Corporate Governance Network’s Excellence in Stewardship Award.
Diana navigates growth and transformational change at the intersection of energy, technology and geopolitics across public and private markets. She has driven strategy, M&A and merger integration, privacy and data protection policy, employee engagement and organizational change in complex global enterprises. She is also an independent director of Helix Energy Solutions Group (NYSE: HLX), which provides underwater robotics services to offshore energy clients, a member of the US Public Company Accounting Oversight Board (PCAOB) Investor Advisory Group, INSEAD/KPMG AI Governance advisory council, and participated in the 2025 US Army War College National Security Seminar (NSS). She previously held positions of increasing responsibility at TD Bank, Credit Suisse, PwC and a private equity firm and its portfolio company. She earned her Bachelor of Science (Biology) at Yale University, MPA (International Political & Economic Development) at Harvard Kennedy School, and MBA at Harvard Business School.