Parents are David Billings and Daphne Von Essen. His stepmother's name is Beth Berger. He also has a sister, Summer Billings and a brother, James Von Essen. He enjoys snowboarding, basketball, electronics, a little bit of golf, surfing and music concerts. One of the most defining moments in his life was being recruited and accepted to USC. Majored in public policy and management at USC. His off-court goals include finishing school, getting married and having a family. Considers real estate as a possible future profession. Most prized possessions are his family, his friends and his clothes. One of his fondest childhood memories is spending all day at East Beach in Santa Barbara with his friends. Would like to have seen Sublime in concert. Says "a million dollar car-with wings" is the first thing he would buy if he won the lottery. Chose "mind reading" as the superpower he wants. His pet peeve is "when people drive slow in the far left lane on the freeway." Brook is married to former UCSB Middle Blocker, Brett Quirarte. They are the parents of a baby boy named Ford Michael Billings born on May 23, 2013.
Earned All-Mountain Pacific Sports Federation (MPSF) honorable mention. Led the team in kills (386) and in kills per game (4,39).
Earned Asics/Volleyball All-American and All-MPSF honorable mentions. Led USC in kills (390) and blocks (68) and was second in digs (118). Finished eighth nationally in kill average at 4,88 (fourth in the MPSF at 5,21). Posted double-figure kills in 20 of his 22 matches, with nine matches of 20-plus kills.
Earned Asics/Volleyball All-America first team, AVCA All-America second team and All-MPSF first team honors. Led the team in kills (601) while hitting 0,339. Finished third on the team in digs (160) and had 73 blocks. Ranked fifth nationally in kill average (6.84) and third in the MPSF (6.83). Posted double-figure kills in 24 of his 25 matches, with 18 matches of 20-plus kills and six matches of 30-plus kills (including an MPSF and USC season-high 50 kills at Loyola Marymount, a career best).
Started all but two matches at opposite hitter as just a freshman and made an immediate impact. Garnered Asics/Volleyball National Co-Freshman of the Year and MPSF Freshman of the Year honors, as well as being an All-MPSF honorable mention selection. Led the team in kills with 640, the most ever by a USC freshman and the fourth-most by any Trojan ever, while hitting 0,317. Finished sixth nationally in kill average (6.17). He also had 169 digs (second on the team) and 92 blocks (fourth on the team). Posted double-figure kills 26 times, with 17 matches of 20-plus kills and six matches of 30-plus kills.
Brook was an alternate for the Olympic Team. Played in two World League pool play matches in Bulgaria and scored four points. Played in the Four Nations' Tournament in Leipzig, Germany and then scored 16 points in an exhibition victory over Germany played in Chemnitz.
Brook had a stellar run at the Pan American Games on August 23–28 in Rio de Janeiro, finishing as the United States' second-leading scorer, and fifth overall, with 61 points on 54 kills, six blocks and one ace. He led the U.S. Men in scoring in their matches against Argentina (12 points), Puerto Rico (14 points) and Cuba (16 points). Played in four World League pool play matches and scored 20 points.
Was on the preliminary roster for the World Championships. Scored seven points for the U.S. Men in their opening World League match against Poland. Helped the squad win the inaugural Pan American Cup.
Earned a gold medal as Team USA won its second-straight NORCECA Continental Championship with a four-set victory over Cuba on September 15. The USA Men qualified for the FIVB World Grand Champions Cup with the win. Also earned a gold medal in August at the FIVB Volleyball Men's World Championship Qualifying Tournament as the USA Men qualified for the 2006 World Championships.
Brook made his first-ever Olympic appearance in Athens, Greece as the USA Men finished fourth overall. Ranked sixth on the team in total points with 28 on 23 kills and five blocks. Team USA qualified for the 2004 Olympic Games in Athens, Greece by winning the NORCECA Olympic Qualifying Tournament in Caguas, Puerto Rico on January 10. The men posted a perfect record of 6-0 en route to the gold medal, which included a come-from-behind, 3-2 win over Cuba in the championship match. Scored a match-high 17 points on 16 kills and one block in a 3-1 pool-play win over Cuba after replacing starting opposite Clay Stanley.
Led Team USA in scoring and ranked third among all scorers with 73 points on 67 kills, five blocks and one service ace at the Pan American Games in the Dominican Republic. The Americans finished fourth (3-2) at the Pan Am Games after losing to Brazil in the bronze medal match. Saw action in just six of 11 matches at the World Cup and played 20 of a possible 37 sets but still scored 86 points on 73 kills and 13 blocks to finish fourth on the team in total points and tops in points per match at 14,33.
One of the team's biggest surprises during the 2002 season. Ranked first on the team in total points (266) and total kills (223). Also ranked third in stuff blocks (30), points per set (2,83) and digs (97). Scored a career-high 26 points (24 kills, one block, one ace) in a 3-2 upset of eventual World Champion Brazil on September 30 during pool play. Also scored 21 points (19 kills, one block, one service ace) in a five-set win over Australia on June 30 and 20 points (17 kills, two blocks, one ace) in a 3-2 win over Greece on August 30.FIVB World League (Gold Medal).
Four Nations' Tournament (Gold Medal).
Americas' Cup (Gold Medal).
Pan American Games (Silver Medal).
FIVB World League (Bronze Medal).
FIVB World League.
Pan American Cup (Gold Medal).
FIVB World Championship Qualifying Tournament (Gold Medal).
NORCECA Continental Championships (Gold Medal).
NORCECA Olympic Qualifying Tournament (Gold Medal).
USA Global Challenge (Gold Medal).
Serbia and Montenegro Tour (Silver Medal).
Olympic Games (Fourth Place).
Pan American Games (Fourth Place).
NORCECA Zone Championships (Gold Medal).
World Cup (Fourth Place).
Six-Nation Tournament (Italy).
Former teams he has played professionally on: Hot Volleys Vienna
Osaka Blazers Sakai
Caribes de San Sebastián
Al-Ahli Club Dubai
Suwon KEPCO 45