ETHZilla names John Kristoff as SVP, Corporate Communications and Investor Relations

PALM BEACH, Fla., Oct. 16, 2025 /PRNewswire/ -- ETHZilla Corporation (Nasdaq: ETHZ), a leading technology company connecting traditional finance with decentralized finance, today announced the appointment of John D. Kristoff as Senior Vice President, Corporate Communications and Investor Relations. He will report directly to Chairman and CEO McAndrew Rudisill.

In this newly created role, Kristoff will lead ETHZilla's communications and investor relations strategies, shaping the company's narrative and deepening engagement with both the media and investors. He will also play a key role in elevating ETHZilla's public profile as the company continues to grow its position as a bridge between traditional finance and decentralized finance platforms.

"John is a highly accomplished executive with more than three decades of experience in investor relations, strategic communications, and corporate transformation within the fintech sector," said Rudisill. "His deep industry expertise, track record of repositioning brands, and strong relationships within the investment community make him an important addition to our senior leadership team."

Kristoff joins ETHZilla from EXL Service, where he served as Vice President of Investor Relations and played a key role in repositioning the company as a leader in data and AI services for the insurance, banking and payments sectors.

Previously, Kristoff held senior communications and investor relations roles at Adtalem Global Education and spent over 25 years at Diebold Nixdorf, an IDC top-10 global fintech leader, in a variety of leadership roles culminating in Chief Marketing and Communications Officer, where he contributed to corporate strategy, M&A initiatives and brand transformation.

Kristoff holds a bachelor's degree in public relations from Kent State University and an MBA from Ashland University.

About ETHZilla

ETHZilla Corporation is a technology company in the decentralized finance (DeFi) industry. ETHZilla seeks to connect financial institutions, businesses and organizations worldwide by enabling secure, accessible blockchain transactions through Ethereum Network protocol implementations. It generates recurring revenues through various DeFi protocols that improve Ethereum network integrity and security. ETHZilla believes it has the unique capability to bring traditional assets on-chain via tokenization. Through its proprietary protocol implementations, ETHZilla facilitates DeFi transactions and asset digitization across multiple Layer 2 Ethereum networks. ETHZilla is working to offer tokenization solutions, DeFi protocol integration, blockchain analytics, traditional-to-digital asset conversion gateways, and other decentralized finance services.

Media and Investor Contact:
John Kristoff
SVP, Corporate Communications and IR
[email protected]

SOURCE ETHZilla Corporation