In all, the 49ers have now received 65 All-American certificates since 1989.
Johnson, Okpala and Roenicke all named first-team All-Region.
Okpala becomes the third different 49er to earn the honor in 2012.
Long Beach State has a one-game lead for second-place with two games to play.
The 49ers will play three straight on the road.
Long Beach State (2011): An All-Freshman Big West selection after playing in every match for the 49ers in 2011 ... Ranked 27th in the nation with 1.32 blocks per set, and was second in the Big West behind teammate Haleigh Hampton ... Averaged 1.68 kills per set in her first season with the 49ers, fifth on the team ... Made four kills and seven blocks in her collegiate debut against Prairie View A&M on perfect 1.000 hitting (8/26) ... Hit .889 with eight kills on nine swings against Idaho (9/16) ... Set a career high with 12 kills against Pacific, the first of six double-digit kill matches (10/15) ... Made 11 kills on .688 hitting vs. Cal State Northridge (10/29) ... Had her first career double-double with 10 kills and 10 blocks against Central Michigan (11/25) ... That included three solo blocks ... Hit .385 with seven kills and four blocks in the NCAA Tournament against San Diego (12/2).
Capistrano Valley High School: A two-sport athlete at Capo Valley High School ... Earned four varsity letters in basketball and three in volleyball ... Named the No. 51 "Senior Ace" by Prep Volleyball after the 2009 season ... Went to the CIF playoffs in both sports in all seasons ... Earned First-Team all-league honors in 2008 and 2009 for volleyball ... Named the South Coast League MVP in 2009 as a senior ... Matched the feat in basketball, earning first-team all-league honors and being named the MVP as a senior.
Personal: Parents are Jamie Serna and Guillermina Arreola ... Her brother Jaime is a starter on the UC Santa Barbara men's basketball team ... Also recruited by UCLA, USC, Hawaii, Arizona and Pepperdine ... Majoring in Latin studies.