At Indian River
Member of two NJCAA champion squads (2009, 2010) ... Was a part of three champion relay squads at the 2010 NJCAA Championships (400 medley, 200 medley and 400 free) ... Set NJCAA individual records in the 100 and 200 free and was a part of the record-breaking 200 free, 400 free and 800 free relays at the 2009 NCAA Championships ... Named 2009 NJCAA Female Swimmer of the Year ... Captured individual titles in the 100 free, 200 free and 500 free at the 2009 national meet.

High School
Earned multiple national championship titles in Venezuela ... Junior Olympics champion in 2007.

Personal
Full name is Yennifer Luisana Marquez Mendoza ... Daughter of Jenny Mendoza and Luis Marquez ... Has three siblings: Luis, Daniela and Jenfry.