Jarrett Shine came to Greenhill in 2019. He earned his BA in math and economics from Lafayette College. During his collegiate years, he was a four-year starter and captain of the football team. He coached multiple sports before becoming a head football coach at Brunswick School for over a decade. As head coach, he steered teams to numerous championships and etched his name in the history books with the most championship appearances as an assistant and head coach in school history.