Triangle Coaching Staff

At Triangle, we seek to hire "good people first" who share a love for the game of volleyball and a passionate desire to invest in young people as they work to realize their athletic potential.

Triangle also believes strongly in creating an environment where everyone, from any background, can passionately celebrate sport and help young people develop. We seek and support diversity and recognize diversity as an asset for our culture, coaching staff, and athletes.

We are excited to introduce the 100+ talented and dedicated coaching staff who have committed to serving our mission and athletes.

Among them you will find...
- 55 current or former NCAA athletes, including 32 former Division I athletes and 6 All-America selections.
- 18 former or current college coaches.
- 19 Triangle alumni/former players.

AND a coaching slate who have collectively earned...
- 27 high school state championship titles.
- 41 total bids to USAV Junior Nationals, including 20 Open qualifications.

Julia Mainwaring

Mainwaring joined Triangle in 2012. She graduated from Elon University with a bachelor's degree in sport and event management in 2016, and while at Elon she was a three-year member of the club volleyball program, serving as the club’s vice president in her senior year. In the fall of 2012 Mainwaring was a defensive specialist at William Peace University and helped lead the team to one of its most successful seasons. While in high school she was a four-year varsity member, three-year starter, two-year captain, and two-year all-conference member at East Chapel Hill High School. She played seven years of club volleyball at CCVC, TCA, and NC Elite, and also helped to create a developmental volleyball program at the Chapel Hill-Carrboro YMCA. Currently Mainwaring serves as the assistant volleyball coach at Guilford College.

Davene Mainwaring

Davene joined Triangle in 2012 with a wealth of volleyball coaching experience. She first coached club when the juniors level was initially introduced in the Carolina Region and has coached with several local clubs and programs prior to beginning her time at Triangle. 

She has been the head volleyball coach at North Carolina School of Science and Mathematics for the past 17 seasons.  In 2011 Davene led her team to become the 1A East Regional champions and 1A State Runner-ups.  Her colleagues voted her the Conference Volleyball Coach of the Year in 2014 and 2018. She is an Accredited Interscholastic Coach, Gold Medal Squared certified, and Art of Coaching Volleyball Head Coach certified. She has served as the head coach of 14 White and has also been an assistant coach for 14 Blue, 14 White, and 15 White. In 2012 she helped to guide 15 White to an impressive season 43-3 record. 


Originally from the Chicago area, Davene is a graduate of Purdue University.  She works as a Quality Assurance Engineer and lives in Chapel Hill with her husband.  The couple have three adult aged children, one of whom (Julia) also coaches at Triangle.

Bruna Maraccini

Bruna is originally from Brazil and moved to Apex where she attended and played varsity volleyball at Apex High School. She was a member of USAV and an active club player in the Carolina Region throughout High School. She was recruited to NC State as a defensive specialist and setter where she played one season before opting to play NCSU Club volleyball. She has remained active in volleyball, both coaching and playing, since college.

Maraccini has prior coaching experience at Raleigh Parks & Recreation, Richmond Volleyball Club, and served one season as the Apex JV Head Coach. She graduated from NC State in 2007 with a Bachelor’s of Science in Business Management with a concentration in Marketing and a minor in Spanish. She has recently returned to the triangle area for a new job and to be closer to family and friends.

Katy May

Originally from Pennsylvania, May joined the Triangle coaching staff in 2014. She was a high school, club, and collegiate player in the greater Philadelphia area, and was libero and captain for Franklin & Marshall College from 2008-2012. May has both high school and club coaching experience in Pennsylvania and North Carolina, having worked with players from 10 to 18 years old. Since starting at Triangle, May has been the head coach of 15 Steel and 15 Silver, assistant for 16 White, resource coach for 13 Blue, and one of the leads for Triangle's Youth Volleyball Program (YVP).

May came to North Carolina for graduate school in 2012. She now works in an environmental health science center at NC State as director of community engagement, and is pursuing her doctoral degree in science education. When she's not coaching or talking science, Katy is actively involved in animal rescue, volunteering and fostering dogs for a local adoption group.

Katie McCullough '15

McCullough (fondly referred to as "Katie Mac") is a Triangle alumnae having played in Triangle blue for 5 years beginning at 14s through her senior year. McCullough was a two-sport athlete in high school finding success both on the volleyball court and the soccer field. McCullough, an outside hitter, was part of Triangle’s 18 Blue team who in 2015 ‘double qualified’ for USAV nationals by finishing third in the USA division at Big South and going on to win the USA division championship at Disney Volleyball Showcase (aka Sunshine Qualifier). When all was said in done, 18 Blue ended their season ranked among the top 100 18s teams in the country.

McCullough went on to have a successful collegiate career at UNC-Wilmington. As a freshman she played in 25 matches finishing with 149 kills and helped the Seahawks earn a berth in the NCAA Division I tournament. Her junior year McCullough transitioned to libero and her senior year she was named CAA Defensive Player-of-the-Week and set a school record with 4.51 digs per set. She remains sixth on UNC-W’s all-time digs list with 1,138.

McCullough’s success followed her to the sand where she represented the Seahawks all four years on the beach. She played in every dual match during her four-year career and was named UNC-W’s Defensive Beach Player-of-the-Year in 2017. With 50 dual victories during her beach career, McCullough ranks first all-time for wins for the Seahawks.

After graduating UNC-W with a Bachelors of Science with a concentration in finance in 2019, McCullough attended Tusculum University where she served as the Graduate Assistant Beach Coach while pursuing her Master’s degree in Sports Administration (August, 2020).

Jessica McKeon

McKeon, who hails from Fuquay Varina, joined the Triangle staff beginning with the 2020 season and brings extensive volleyball coaching and playing experience. She competed for Person High School before attending Gardner-Webb University, where she played in 92 matches over her four-year career as a middle blocker was named Most Improved. She graduated from GWU with her degree in Elementary Education and returned to the Triangle area to work in Wake County Public Schools.

Before joining Triangle, McKeon spent five years on staff at NC Elite working with their 15s and 16s national and regional level teams. In addition, she has coached middle school volleyball for several seasons, including three years at Hawley Middle School and two years at Apex Friendship Middle School.

Andie McKinnon '16

McKinnon, a Triangle alumna, is a graduate of Orange High School where she was a 4-year contributor and 3 year captain on the women's volleyball team. She was named Big Eight Conference Player of the Year her senior season and helped her team to the third round of the state playoffs. Additionally, she was named MVP both her junior and senior year and garnered All-Conference honors on three occasions. 

McKinnon attended Emory University in Atlanta for 2 years and was a standout athlete for the Eagles. McKinnon averaged 3.38 digs per set and was named UAA Defensive Player of the Week. After deciding she missed North Carolina, McKinnon transferred back home and is currently attending the University of North Carolina at Chapel Hill. 

During her time at Triangle, McKinnon received the team award twice (16 Blue and 18 Black) and was also the recipient of the Mary Elizabeth Finegan Award for Service in 2016. 

Lauren McManus

McManus, originally from Raleigh, brings considerable club coaching experience to Triangle. She played as a setter/opposite in both club and high school at Garner Senior High School. She earned all-conference honors during her junior and senior season and was named conference player of the year her senior year. As a club player she helped her team win a Carolina Region championship and earn a bid to USAV Junior Nationals. She attended St. Andrews Presbyterian College where she was a four-year starting right side player. Her team earned a berth in the NCAA tournament in 2004 and McManus was honored her senior year with the prestigious Knights Award for exceptional leadership skills. McManus graduated from St. Andrews in 2004 with a bachelor's degree in business administration.

McManus began coaching during her junior year of college at a small club in Scotland County. After returning to the Raleigh area McManus began coaching at CCVC until it dissolved in 2009. McManus then joined NC Elite’s coaching staff where she served as both a head and assistant coach for numerous teams in the 14s through 18s age groups. McManus also has coached on the prep scene, serving one year as the JV head coach at Broughton High School in Raleigh. McManus currently resides in Knightdale and works for Guidant Group.

Olani (Allen) Mertz

Allen joined Triangle in 2014 and has worked primarily with the 14s-16s age groups. Allen began playing volleyball in 7th grade and continued at Apex High School and in club volleyball, including one year for Triangle. Upon high school graduation Allen attended Appalachian State University where she played three years of club volleyball. She graduated in 2013 with a bachelor's degree in psychology. After graduation she went on to earn a master's degree in global media and culture from Keele University in England. Allen has worked as a volunteer assistant at Apex High School and coached with the program every summer from 2009-2015. Allen currently works at the Duke University Career Center as the recruiting coordinator. 

Lauren (Truvillion) Montilla

Truvillion-Montilla hails from Chicago where she was a four-year varsity starting outside hitter at Plainfield South High School. She played at 1st Alliance, a perennial power-house club in the Chicago metro area. She attended and played at Butler Community College in Kansas until an injury sidelined her from the sport.

In In 2016 she transferred to University of Kansas and served as the women’s varsity volleyball team manager until graduation the spring of 2019. Throughout college she coached youth volleyball both in a team and camp setting. She’s been an effective and energetic camp coach at University of Kansas for many years.

Truvillion-Montilla graduated Kansas with a Bachelor of Humanities and Western Culture. She was recently married and currently lives in Fayetteville.