Gunnar Wiedenfels
Summary
Gunnar Wiedenfels is Warner Bros. Discovery’s Senior EVice President and Chief Financial Officer, a role he has held since the WarnerMedia merger closed in April 2022 after serving as Discovery’s CFO from 2017.
Biography
Wiedenfels studied business informatics in Mannheim and earned a Ph.D. from RWTH Aachen University in Germany. Before joining Discovery, he spent seven years in executive management at ProSiebenSat.1 Media in Munich, including roles as Chief Group Controller, Deputy CFO and CFO. He joined Discovery as CFO in 2017. ([wbd.com](https://www.wbd.com/leadership/gunnar-wiedenfels/?utm_source=openai)) Wiedenfels became CFO of Warner Bros. Discovery when the WarnerMedia merger closed on April 8, 2022. His responsibilities include financial planning and analysis, accounting, treasury, tax, procurement, internal audit and investor relations, as well as several corporate operations. He has been closely involved in the company’s cost reductions, debt management, streaming investments and evaluation of structural alternatives for the business. ([wbd.com](https://www.wbd.com/leadership/gunnar-wiedenfels/?utm_source=openai))
Notable achievements
- Served as a key financial architect of Discovery’s agreement with AT&T that created Warner Bros. Discovery. ([wbd.com](https://www.wbd.com/leadership/gunnar-wiedenfels/?utm_source=openai))
- Helped manage WBD’s post-merger financial integration and efforts to reduce debt and improve cash generation.
- Supported the expansion of the streaming business, which generated $1.37 billion in adjusted EBITDA and reached nearly 132 million subscribers in 2025. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1437107/000143710726000046/wbd-20260429.htm))
- Helped oversee a reduction in reported net debt to $29.0 billion at the end of 2025. ([wbd.com](https://www.wbd.com/news/warner-bros-discovery-reports-fourth-quarter-and-full-year-2025-results?utm_source=openai))
- Led finance-related work connected with WBD’s proposed separation into Warner Bros. and Discovery Global and the company’s subsequent review of broader strategic options. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1437107/000143710726000046/wbd-20260429.htm))
Problem areas / controversies
- Wiedenfels has been part of management’s effort to control a substantial post-merger debt load while traditional television revenue has weakened. ([breakingviews.com](https://www.breakingviews.com/columns/considered-view/tv-burdened-wbd-will-struggle-cut-cord-2025-06-05/))
- The company’s cost-cutting program, including layoffs and reductions in corporate and streaming operations, has drawn criticism from employees and parts of the entertainment industry.
- WBD disclosed a securities class-action complaint naming Wiedenfels, Zaslav and the company; the filing describes allegations and procedural developments, not a finding of wrongdoing. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1437107/000143710726000020/wbd-20251231.htm))
- The finance organization has had to manage substantial restructuring, financing and transaction complexity while WBD considered a separation, potential asset transactions and other strategic alternatives. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1437107/000143710726000046/wbd-20260429.htm))