男子在白板上书写

A photorealistic editorial-style office photo of Sam Altman in left-profile, wearing a black sweater and writing on a large whiteboard with a black marker, the whiteboard filled with neat handwritten text reading “Model: ChatGPT” and “Company: OpenAI” with a signed note “Sam Altman, CEO, OpenAI,” clean modern workspace, minimalist background, soft natural daylight from the side, neutral white and gray palette with black clothing and black ink contrast, realistic skin texture and hair detail, crisp focus, shallow depth of field, medium shot, straight-on eye-level camera, high-resolution DSLR documentary photography