Sean turned professional in 1990 and stayed in South Africa playing on the Sunshine Tour and teaching.

As a result of the sporting boycott of South Africa during the apartheid era, the Pappas brothers represented Greece in the European Amateur Team Championship and the Eisenhower Trophy in the 1980s.

Pappas had a double-eagle in December 1999 at the Vodacom Players Championship on the 3rd hole at the Royal Cape Golf Club during the 3rd round.

[4] He played briefly again in the United States from 1994-95 finding limited success, with two mini-tour wins on the NGA Hooters Tour in 1994.

In 2010, Sean Pappas became the resident Club Professional at The Ranch Resort Executive Golf Course and Academy[5] – officially opened on 22 May by the Premier of Limpopo Province, Cassel Mathale.