Treva attended the San Diego Paralegal Institute in 1988–1989 and received her paralegal certificate. With more than 30 years of experience in family law, Treva currently serves as Senior Paralegal for JWB Family Law.
She has been a member of the San Diego Paralegal Association since 2005. She served as the President of the San Diego Paralegal Association from 2007 to 2010, and has served on the board as the Membership Director and Secretary. Treva was also the primary representative for the San Diego Paralegal Association, and served on the board of the California Alliance of Paralegal Associations from 2006 to 2010.