|Hometown:||San Anselmo, CA|
|High School:||St. Ignatius|
Before Brown: Liz Rosen was a four-year varsity letter winner on her water polo team and a three-year varsity letter winner on the swim team. Rosen was a CCS First Team All-League selection from 2009-2011, a WCAL First Team All-League honoree in 2010-2011, and a WCAL Second Team All-League selection in 2009. Rosen earned 2010 NISCA All-American Honorable Mention honors, and is a candidate for 2011 All-American status as well. Rosen holds the school record for career goals scored and most steals, and led her team to its first ever CCS Championship game in school history (2010). The squad went to the semifinals in 2009 and 2011. Rosen was a member of the Pacific Zone ODP Team 2009 & 2010, and was the MVP of the 2009 JO Gold Division). Earned five All-American honors for swimming 200 medley relay (twice), 400 free relay, 200 free relay (twice). Holds four school records at SI; 200 free, 200 medley relay, 400 free relay; 200 free relay, and anchored relays from 2008-2010 which placed in the top 8 in CCS each year. She was also a sectional and junior National Swimming Qualifier. She was an Academic All-American with Distinction for Water Polo (2009-10), a 2010 AP Scholar, a Life Member and a California Scholarship Federation honoree.