| Noted Subjects: |
General, Science, Literature, Mythology
|Current Collegiate Team||none|
|Past Collegiate Teams||Chicago (2005-2010), Berkeley (2000-2004)|
|High School Team||Albany, CA|
|Middle School Team||None|
Seth is known for his outstanding mastery of world mythologies in addition to his strength in the physical sciences and very high level of general knowledge, making him arguably the best player since Andrew Yaphe. He led the 2007 Chicago team to a national championship double crown, and repeated the feat in 2009 by leading the 2009 Chicago teams to victories over Brown and Illinois in the 2009 ACF Nationals and 2009 NAQT ICT championships, respectively, making his 2009 title his third straight ACF Nationals title championship. He was also a key player on the 2003 Berkeley ACF National and 2004 Berkeley NAQT ICT championship teams. He also led Chicago to a 2nd place finish at the 2008 NAQT ICT. He has also been on several winning teams at Chicago Open, including most recently in 2011 and 2013.
He is considered an "evil archvillian" by the University of Maryland.
Seth Teitler and Andrew Yaphe are tied for the honor of most decorated collegiate quizbowl player, as far as national championship titles are concerned; they each won 8 titles across their respective college quizbowl careers.
Tournament editing and writing
Seth helped edit and write the 2002 Science Masters, 2004 BLaST, 2005 ACF Fall, 2007 ACF Regionals and 2007 Chicago Open sets. He helped write the 2003 Subash Maddipoti Singles, John Stuart Mill Open and the 2006 EFT sets. He wrote the 2005 Myth Singles set. He may have written some science questions for the 2002 Chicago Open. He also served as an advisor to the 2009 ACF Fall set. 
NAQT brought Seth on to head-edit the 2009 SCT in an unprecedented arrangement while he was still an active collegiate player. Seth thereafter head-edited 2011 and subsequent ICTs, among many other tournaments. He became Chief Editor of NAQT in 2014.
He wrote the guide All Things Bonus, which originally appeared on HSQuizbowl.