The middle child of three, Sean was born in Massapequa, New York. His father worked as a firefighter for New York City while his mother maintained her work as a homemaker. Graduating from Massapequa High School, Sean immediately began his studies the following fall at the State University of New York at Binghamton where he eventually received a Bachelor of Science degree in biology. Since then, Sean has only been addressed as "Dr. Sean" and had the honor to become Jeff PrObst's proctologist. Dr. Sean joined Ovivor to prove the world his strategy was brilliant.
- Dr. Sean was played by Manatee.
- Dr. Sean finished fourth out of 10
but would have gone farther if the host hadn't given an idol to Brandon in the final 4 because he asked for it
- Dr. Sean voted according to the alphabet in every tribal council he attended to.
- Dr. Sean is a parody of Sean Kenniff from Survivor: Borneo.