a profile picture of a Mainframe Developer man named Rob with a light brown goatee, glasses, short light brown haircut with a touch of grey, brown button-down shirt with a red undershirt, simple flat stylized illustration style. The background color is a lighter shade of shirt color. The image should capture a professional setting or attire. Opt for a smiling headshot with a friendly expression, approachability, and a collaborative nature. 4k --v 6.0