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Meet the Athletic Department

The primary goal and job of our coaches at Grace Brethren is to teach our athletes to love God and people. Sports is not just about winning and losing but about teaching young men and women life skills that will enable them to serve their God, family, church and community more effectively. All of our coaches share this common goal and seek to achieve it through the integration of Biblical principles within their specific disciplines. Grace Brethren coaches also have a desire to do everything with excellence, and have a solid tradition of building winning programs with numerous State, Section, County and League awards.

Athletic Department

RJ Blackwell, Jr/Sr High Athletic Director

I married the love of my life in 2008, and we have 2 children together. I am passionate about the discipleship of our students at Grace Brethren and how athletics can be used as a tool in this process. I became a Lancer in 1988 as a preschooler, and graduated from the Senior High School in 2002. As an athlete at Grace, I was on four CIF championship teams, and earned eight varsity letters in baseball and football. The lessons I learned as a student-athlete at Grace Brethren prepared me for my times as a college athlete, marine, husband, and father. Because I understand firsthand how being a Lancer can change lives, I am unbelievably excited and privileged to walk this journey with our student athletes.

Teri Allegra

Teri Allegra

Admin Assistant, Athletics
Jr/Sr High School
Deacon Dobbs

Deacon Dobbs

Assistant Director, Athletics
Jr/Sr High School
Deacon attended Grace Brethren High School starting his freshman year of high school. He played basketball and football earning 3 varsity letters with football. Fast forward a few years, he received a football scholarship to play at Sterling College, located in central Kansas. While at Sterling, he played middle linebacker helping the team win their first KCAC Championship in 2013. Upon graduating Deacon received a Bachelor's of Science in Business Entrepreneurship. He is married to his high school sweetheart and is a new dad. 
Dylan Suchomel

Dylan Suchomel

Faculty, Athletic Director
Elementary School
Dylan attended Grace Brethren from Preschool all the way through High School. During High School he was a three sport athlete playing varsity basketball, baseball, and football. He also participated in student council throughout High School. Dylan also worked as a daycare staff employee at the Elementary School throughout his years at the High School. After High School, Dylan went to Grand Canyon University in Arizona where he played right wing in rugby for the Lopes in their first season of D.1 play in 2015. Upon graduating, Dylan received a Bachelors of Science in Exercise Science with an emphasis in Health Education. Dylan has a passion for the Grace "family" and has even met his fiancé, one of the K1 teachers, while working for Grace Brethren.

Our Coaches

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Vincent Allegra

Vincent Allegra

Head Soccer Coach
Jr/Sr High School

Vince has enjoyed a very successful coaching career.

  • 2017 Tri valley League Coach of the Year
  • 2015 & 2016 CIF Coach of the Year
  • 2016, 2015 & 2011 Frontier League Coach of the Year
Heidi Bird

Heidi Bird

Head Coach, Softball
Jr/Sr High School
Heidi Bird (Knabe) graduated from SVHS and received a full athletic scholarship to play softball at Arizona State University. She was a four year starting catcher for ASU and went to the Women's College World Series twice. Coach Bird was placed on the 2006 WCWS All-Tournament Team. After graduating with her BS in Kinesiology and MA in Physical Education, Bird was asst. coach for the team and helped get them to the 2008 National Championship College Softball team. Coach Bird returned to SV where she held various coaching roles from 2009-2012 seasons before starting as Head Softball Coach for GBHS. Coach Bird grew up in a Christian household and was excited to be given the opportunity to be able to mentor our high schoolers, help to build better athletes and Christians.
Rob DiMuro

Rob DiMuro

Head Coach, Girls Basketball, Coach
Jr/Sr High School
Coach DiMuro has been coaching basketball for over 30 years. Rob began his career at Notre Dame High School as Girls varsity basketball coach. in the 90's, Rob served as the women's Head Coach at Los Angeles Pierce College and as assistant varsity girls coast at Alemany High School. In the mid-2000's, Rob as head girls varsity basketball coach at Louisville High School. In 2016, Rob took over at Grace and was named Frontier League Coach of the Year, won the Frontier League Title and took the team to the CIF Finals and State Playoffs in his first Season. Rob has been married to his wife, Kelli, for 20 years. Their 2 daughters, Aliya '20 and Alexis '21 both are current members of the Grace Varisity Basketball team.
Deacon Dobbs

Deacon Dobbs

Assistant Director, Athletics
Jr/Sr High School
Deacon attended Grace Brethren High School starting his freshman year of high school. He played basketball and football earning 3 varsity letters with football. Fast forward a few years, he received a football scholarship to play at Sterling College, located in central Kansas. While at Sterling, he played middle linebacker helping the team win their first KCAC Championship in 2013. Upon graduating Deacon received a Bachelor's of Science in Business Entrepreneurship. He is married to his high school sweetheart and is a new dad. 
Julius Griggs

Julius Griggs

Head Coach, Boys Basketball
Jr/Sr High School
Coach Griggs is a Simi valley native and played basketball for Simi Valley High School. Griggs is a retired Fire captain from the Ventura County Fire Department, and has been coaching basketball for Grace since 2009, where he started at the Elementary School. Over the years, he coached Junior High and JV team. Since 2016, he has been the Boys Basketball Head Coach. Griggs attended Grace from k-12 and chose to coach at Grace in order to meet his goal of not only to teach the boys to be the best basketball players they can be, but also to prepare them to be good Christian men. Coach Griggs brings a great deal of discipline t his program from his time he spent in the military, where he served as a US Arm Ranger. Che is the President/CEO for a Safety Training and Consulting Company.
Brock Heerdt

Brock Heerdt

Head Coach, Baseball, Coach
Jr/Sr High School

Coach Heerdt comes to Grace after coaching stops at San Diego Christian College, Heritage Christian, Taft High School, ASAP Baseball and The Factory. Brock was a 4 year letter man at Santa Clarita Christian while earning Heritage League MVP and All CIF First Team honors as a catcher and pitcher. Coach Heerdt continued his playing career and education at The Masters College as a pitcher in 2009 before transferring to San Diego Christian College to play his final 3 years as a Closer and received his Bachelors of Science in Kinesiology in 2013. Prior to his Senior season SDC, Brock was invited to play for the Wisconsin Woodchucks in the Northwoods League, one of the nations top two collegiate baseball leagues. After graduation, Heerdt played for the San Diego Force in the CS World Series which led to a professional baseball contract with the Hawaii Stars. Due to injury, Coach Heerdt hung up the spikes in 2014 and began his coaching career.

Josh Henderson

Josh Henderson

Head Coach, Football, Head Football Coach
Jr/Sr High School

Josh Henderson was raised in Fontana, California where he played football under coaching legend Dick Bruich at Fontana High School. From there he received a full ride scholarship to play linebacker at Azusa Pacific University where he broke the single season tackling record and is now in APU’s Athletic Hall of Fame.  He immediately entered the coaching world as a grad assistant at APU for one year, and then moved on to a head coach position. Coach Henderson has been leading high school football teams since 1998 with the team philosophy of “God First”, using football as a vehicle to spread the gospel of Jesus Christ and to equip players to grow into their role as Christian men.  Coach Henderson’s teams have won 12 League Championships, 3 CIF Championships, 1 CIF SS Regional 2A Championship, and 1 State 2A Runner Up. Coach has been named League Coach of the Year 10 times, CIF Coach of the Year 3 times, inducted into Aquinas High School’s Hall of Fame for coaching, and was recently named Medium Schools State Coach of the Year. While always pursuing championships, Coach Henderson’s goal is to develop champions in the process. He lives in Simi Valley with his wife Amy and 5 children. 

Dustin Marvin

Dustin Marvin

Faculty, Head Coach, Boys Varsity Lacrosse
Elementary School

In high school Coach Marvin was a four sport athlete. He played varsity soccer and golf at Grace while playing lacrosse and ice hockey outside of school. After graduating from Grace, he attended Cal Lutheran University. While at Cal Lutheran he played lacrosse and ice hockey and received a Bachelor's of Science in Exercise Science. Dustin has a passion for coaching and training up young men in the fear of the Lord. he has been attending Grace Church since 2011 whee he currently serves as the Student Ministries Intern. He has been married to his high school sweetheart, Heidi, since 2015. Coach Marvin grew up playing lacrosse in the Conejo Valley area. He has over 10 years of playing experience and over 5 years of coaching experience. He has coached lacrosse at local high schools and is the first Varsity Lacrosse coach in Grace history.

Michael Michaelis

Michael Michaelis

Head Coach, Boys Golf
Jr/Sr High School

Michael Michaelis is married to Cyndi Michaelis for 25 years.  They have two boys and two girls and five grandchildren.  Michael started umpiring 1971 and retired in 2005.  He is a coach at heart.  Michael has coached baseball for 15 years, coaching golf for 18 years and has been working with Dan Martin golf for those 18 years.  Michael has worked with and was on the Board of Directors for Ventura County Junior Golf for approximately 8 years and worked with first tee for approximately 4 years.  He has also worked with and was on the Board of Directors US kids for approximately eight years and continues to work with them.  Michael looks forward to working with California Junior golf starting in April 2018, another Dan Martin golf project.

Scott Nandor

Scott Nandor

Vice Principal, Jr/Sr High, Head Coach, Boys Soccer
Jr/Sr High School

Coach Nandor has worked at Grace Brethren since 1996. He has worked as a teacher, a coach (four different sports), and as the athletic directory during his tenure. Scott played and coached at Biola University for 9 years. His time there was a season of rapid growth personally and spiritually. While at Biola, he also coached the JV and Varsity soccer teams for seven years at La Mirada HS. In 2001, he started the soccer program at Grace. Scott received his bachelor's degree in Christian Education from Biola and earned a Master's degree in Philosophy of Religion and Ethics from Talbot Seminary. Scott also holds a Master's degree in Apologetics. Coach has been married to his college sweetheart, Karen, since 1991 and they are the proud parents of Hannah '17, Daniel '19 and Joseph '22, all Lancers.

Jennifer Ota

Jennifer Ota

Head Coach, Boys and Girls Swim
Jr/Sr High School
Jenifer Ota joined Grace Brethrens staff in 2012.She has been coaching with Conejo Simi Swim Club since 2011 and took over Head Age Group in 2015. Jen graduated from Royal High school in 2001. Jen has coached swim for over 10 years now, previously with Clovis Swim Club Stroke Team, Swim America Swim School and currently with the Conejo Simi Swim Club.  Jen truly understands age-group development coaching, from learn-to-swim to high school, and she absolutely loves swimming and kids. 
Renee Reynolds

Renee Reynolds

Head Coach, Girls Cheer
Jr/Sr High School
Coach Reynolds grew up in Dallas, Texas where she cheered and attended Baylor University. Renee holds her Bachelor of Arts Degree in Communications and Radio/TV. After graduating she moved to LA where she worked in the television industry for over 20 years at the game shows, Jeopardy and Wheel of Fortune. Coach Reynolds met her husband, Ray, on the set of Jeopardy where they both worked. They have 4 children, three boys and one girl. Coach Reynolds coached softball for many years and worked in youth and Children's Ministries. Coach Reynolds has been our Activities Director for the Jr/Sr High and Cheer Coach here at Grace for several years. She is thankful that God has allowed her the opportunity to be at Grace with these amazing student and athletes.
Ryan Sevy

Ryan Sevy

Head Coach, Cross Country and Track & Field
Jr/Sr High School
Ryan worked as a substitute teacher at Grace for a few years while working full-time as an EMT 911 responder in Ventura County until God called him to Grace full-time. Ryan is passionate about discipleship and mentoring the students at Grace as a teacher and a coach. Ryan played sports all throughout high school and junior college football at Sierra College. He earned his Bachelor's degree from UC Davis In History, going on to earn his master's Degree in Education from National University and is a CA Teaching Credentialed instructor. Ryan grew up watching his dad play in the NFL for the Chicago Bears and Seattle Seahawks. Ryan is married to "the best woman he have ever known" and has a dog together.
Natalia Simmons

Natalia Simmons

Head Coach, Girls Volleyball
Jr/Sr High School

Natalia is a former collegiate volleyball player born and raised in Southern California.  She started playing volleyball in junior high and, although she was previously a basketball player, volleyball quickly took first place. She played at Grace Brethren all four years of high school and received a volleyball scholarship to attend The Master's College.  There, she played out her four years earning her BA in Communications.  She also played and coached for Pacific Volleyball Club before she got married and moved to France where her husband played professional basketball.  After returning to the US in 2015, Natalia began coaching again at Grace Brethren School as the Junior High Coach and Junior Varsity Head Coach for the last two years. She also coaches for Oaks Volleyball Club.  Natalia is excited to lead this very competitive program to many successful seasons as she teaches our volleyball players to love God and love people.

Dylan Suchomel

Dylan Suchomel

Faculty, Athletic Director
Elementary School
Dylan attended Grace Brethren from Preschool all the way through High School. During High School he was a three sport athlete playing varsity basketball, baseball, and football. He also participated in student council throughout High School. Dylan also worked as a daycare staff employee at the Elementary School throughout his years at the High School. After High School, Dylan went to Grand Canyon University in Arizona where he played right wing in rugby for the Lopes in their first season of D.1 play in 2015. Upon graduating, Dylan received a Bachelors of Science in Exercise Science with an emphasis in Health Education. Dylan has a passion for the Grace "family" and has even met his fiancé, one of the K1 teachers, while working for Grace Brethren.

Winning Records

All of our coaches have a rich history of success on the athletic fields combining 43 League Championships, 7 CIF SS Divisional Runner-Up, 7 Individual CIF SS Divisional Championships, 11 CIF SS Divisional Championships, 3 CIF State Regional Runner-Up, 1 CIF State Regional Championship, and 1 CIF State Runner-Up
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