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 90+ talented and dedicated coaching staff who have committed to serving our mission and athletes.

Among them you will find...
- 48 current or former NCAA athletes, including 27 former Division I athletes.
- 11 former or current college coaches.
- 22 Triangle alumni/former players.
- 16 current middle (1) and high school (15) coaches.
- 11 coaches who have coached AND qualified at the Open level

AND a coaching slate who have collectively earned...
- 30 high school state championship titles.
- 46 total bids to USAV Junior Nationals, including 23 Open-level qualifications.

Since 2010

Greg Kabbes

A native of the Raleigh area, Kabbes began his career at Triangle in 2010. He returned in 2021 after attending graduate school. Kabbes has served as an assistant coach for 14 Black, and 15 Black, and 17 Black. In the 2018 season, Kabbes was part of the 17 Black coaching staff when the team qualified in the Open Division and finished the season ranked 23rd in the nation by Kabbes has also spent time as a resource coach at multiple levels and is a lead coach for many camps and clinics, including working with Powercore 360.

Since 2022

Grant Kaestner '19

Kaestner is a Triangle alum, having played three seasons on Triangle 18U Boys. As an adept middle blocker, he was recognized as Triangle's first member of the "11 Foot Club", ultimately achieving an approach touch of 11'8". Kaestner was also active in the USA Volleyball Boys High Performance program. During his club career, he received both the Iron Triangle award for dedication to fitness and the Triangle award for Triangle 18U Boys.

Since 2020

Rob Kent

Kent joined the Triangle coaching staff in 2020 with over 10 years of youth coaching experience in the Triangle area. In total, Kent has coached over 40 different teams in three different sports (volleyball, basketball, and soccer). Before coming to Triangle, Kent coached two years at NC Elite. Rob has coached over 25 youth volleyball teams, with student-athletes ranging in age from 7 to 16 years old. His youth volleyball teams have won multiple regular season and tournament championships.

Since 2004

Katherine Koslowsky

Koslowsky (formerly Fleming), a native of North Carolina and graduate of Miami University in Ohio, joined Triangle in 2004. Koslowsky attended Cardinal Gibbons High School in Raleigh and led her team to state championship wins every year. She was named All-Conference and All-State, and set two records in her senior season for single season kills and digs. Koslowsky was a TISAC Co-Player of the Year in 2001 and her #9 jersey hangs retired at Cardinal Gibbons. She went on to Providence College for two seasons where she was an outside hitter and still holds the single season digs record.

Since 2013

Brendan Koslowsky

Koslowsky joined Triangle in 2013 and has served as an assistant coach in the 15s, 17s, and 18s age groups. In 2015 Koslowsky was an assistant coach of 17 Blue, which finished 12th in the Premier Division at AAU Junior Nationals. In 2016 he helped lead 17 Black to qualify in Open for USAV Junior Nationals, and in 2017 he helped guide 18 White toward a third-place finish in the Club Division at the JVA World Challenge.

Since 2021

Molly Krull '09

Krull (Triangle Class of 2009) returns to North Carolina and Triangle after beginning her post-graduate career in the DC area.

Krull was a three-year varsity setter for the powerhouse and state champion Cardinal Gibbons Crusaders. She received 2007 and 2008 All-Conference honors and named the 2008 Mid-State Conference Co-Player of the Year. She was a nominee for the NC Gatorade Player of the Year and Finalist for the prestigious Andi Collins award in 2008.