high-resolution, one young adult male portrait, casual vibe, in his thirties, short casual dark hair, thick and bold modern glasses, confident and friendly smirk, embracing life, bright perceptive and insightful eyes, relaxed facial structure, natural complexion, warm soft lighting, approachable wide jawline, informal attire, soft-blurred background, charismatic facial expression, natural eyebrows with a gentle arch, healthy skin tone, clean-shaven, affable technical leader