Modern office building, skyscraper, urban cityscape, RF shielding expert, middle-aged man, glasses, short brown hair, white shirt, black tie, formal pants, standing, pointing to a large metal mesh screen, architectural model on a table, blueprints spread out, various RF shielding materials, metal foils, copper sheets, electromagnetic simulation software on a computer screen, 3/4 composition, softbox lighting, warm colors, realistic textures.