Gregory Mumford serves as the Chief Financial Officer at Cipher Mining Inc., a leading Bitcoin mining company focused on industrial-scale operations and sustainable energy practices. With over 20 years of experience in finance, capital markets, and strategic leadership within the energy and technology sectors, Mumford brings a proven track record of driving growth and operational efficiency. Prior to joining Cipher in 2023, he held the CFO position at TeraWulf Inc., where he spearheaded the company's public listing on Nasdaq, raised over $200 million in capital, and optimized financial structures to support rapid expansion in high-performance computing and Bitcoin mining. Mumford's career highlights include his tenure at NRG Energy, where as Vice President of Finance, he managed investor relations, treasury operations, and mergers and acquisitions valued at billions, contributing to the company's transformation into a diversified energy leader. Earlier roles at Deloitte and other financial advisory firms honed his expertise in complex financial modeling, risk management, and regulatory compliance. His achievements have been recognized with awards for financial innovation, and he holds an MBA from the University of Texas at Austin and a Bachelor's degree in Accounting from Texas A&M University. At Cipher Mining, Mumford oversees all financial operations, including capital allocation for fleet expansion, debt financing, and investor communications. He plays a pivotal role in the company's strategy to scale to over 25 EH/s of mining capacity by 2025, emphasizing cost discipline and ESG-aligned growth. Under his leadership, Cipher has strengthened its balance sheet, securing strategic partnerships and positioning the firm for long-term profitability in the evolving digital asset mining landscape.