Sebastian’s Table Tennis Achievements
- 1984 – 1 Silver Team (Skip Wilkins) USA Paralympics/Stoke
- 1986 – Pan-American Championships, 2 Golds singles and doubles with Jerry D’avila
- 1988 – Paralympics (Seoul, South Korea) Bronze Medal team event (Skip Wilkins), Quarterfinalist in singles
- 1989 – 1st place National Championships (class 1-first time) and doubles champion (1 & 2 class combined)
- 1990 – World Championships (Holland) quarter-finalist in singles
- 1990 – National champion USA wheelchair championships
- 1991 – Irish National Open, champion singles class 1
- 1991 – National champion USA wheelchair championships
- 1992 – Paralympics Barcelona, quarter-finalist in singles
- 1992 – National champion USA wheelchair championships
- 1993 – Stoke Mandeville World Games, Gold medal class 1 singles and Silver team event
- 1993 – National champion USA wheelchair championships
- 1994 – National champion USA wheelchair championships
- 1995 – National champion USA wheelchair championships (singles and doubles)
- 1996 – Paralympics Atlanta, quarterfinalist, Team class 3 – Lost in second round
- 1996 – National champion USA wheelchair championships
- 1997 – National champion USA wheelchair championships
- 1998 – National champion USA wheelchair championships, Doubles Open, silver (all classes)
- 1999 – Hungarian Open, bronze medal
- 1999 – New Zealand Open, bronze medal
- 1999 – Sicily Southern Italy Open- Lost in quarterfinal class 1 and class 2
- 2000 – National champion USA wheelchair championships
- 2000 – Paralympics Sydney- Lost in quarterfinals singles, lost in class 3 team event first round
- 2001 – Got sick with hepatitis C and took a medical leave until liver transplant in 2006 – Started playing again
- 2010 – US Open Table Tennis Championships, silver medal class 1
- 2011 – 2017 National champion USA wheelchair division – combination of second and third places
- 2015 – National champion USA wheelchair class 1
- 2018 – National champion USA wheelchair bronze medal class 1 & 2
- 2019 – National champion USA wheelchair bronze medal class 1 & 2
- 1993 – USOC athlete of the year for table tennis