The third and final round is on Tuesday at the San Diego Country Club.
Pepperdine's next tournament is its own Jones Invitational next week at Saticoy Country Club.
Pepperdine's 5-under 279 was the second-best round of the day.
The Prestige at PGA West has two rounds left, while the Folino Invitational will finish on Tuesday.
The Waves were playing in their final fall event and will be back in action in February.
Jeff Golden photos of the first and second rounds at CSUN's Bill Cullum Invitational.
Photos from the third and final round of the Cullum Invitational in Simi Valley, Calif.
PEPPERDINE 2012-13: Transferred to Pepperdine in January 2013 and appeared in four tournaments during the spring season as a redshirt freshman ... Averaged 74.17 strokes in four rounds ... Tied for 15th in his debut at the North Ranch Intercollegiate (78-73-72=223) ... Best round was a 2-under 68 in the second round of the Stanford U.S. Intercollegiate ... Was the top-finishing Wave at the U.S. Intercollegiate, tying for 44th ... Earned WCC Commissioner's Honor Roll "silver" honors.
CALIFORNIA: Spent the 2011-12 season as a freshman at California, as well as the fall 2012 season before transferring to Pepperdine ... Did not see any action for the Golden Bears ... Cal reached the semifinals of the 2012 NCAA Championships and was the nation's #1 team after the fall 2012 season ... Was a Cal scholar-athlete.
JUNIOR/AMATEUR GOLF: Tied for third at the 2013 San Diego City Amateur Championship ... Qualified for the 2011 U.S. Amateur ... Was a quarterfinalist at the 2011 Pacific Northwest Amateur ... Won the 2010 Thousand Oaks City Championship, the 2010 Toyota Tour Cup La Costa and the 2009 Toyota Tour Cup East Valley ... Ranked as high as #75 on the Junior Golf Scoreboard.
HIGH SCHOOL: Graduated from Chaminade College Prep, located in Chatsworth, Calif., in 2011 ... A three-time All-Mission League selection ... Helped his team to a league title as a 2011 senior and a section crown as a 2010 junior ... Tied for sixth at the state championship as a sophomore and was named the Area Player of the Year by the L.A. Daily News ... Team won a CIF title his junior year and a Mission League title his senior year ... Graduated with highest honors.
PERSONAL: Born in Van Nuys, Calif. ... Son of Tom and Ann Thomas ... Father played basketball at Wayne State ... Has one sister, Michelle ... Majoring in business administration.
FAVORITES: Enjoys finishing and basketball ... Lists his sports hero as Jim Valvano ... Favorites include Henrik Stenson (pro golfer), San Francisco Golf Club (golf course), The Great Gatsby (book), Anchorman (movie), Seinfeld (TV show), Macklemore (musical artist), pasta (food) and basketball (sport other than golf) ... Favorite thing about golf is "it's a challenge mentally and physically."