Meet the 2018-2019 Coaching Staff

Michael Wantz – Head Varsity Coach

Michael Wantz begins his 16th year as the Roncalli boys' basketball coach. He owns a career coaching record of 223-110 and became the school’s all-time leader in wins when the Rebels defeated Brebeuf in the 2009 Sectional championship game. He has led the Rebels to their only four sectional championships in school history and to double figure wins in each of his first fifteen years. This marks the first time in school history that the Rebels have put together fifteen consecutive double figure win seasons.

Wantz is a 1993 graduate of Union City Community High School where he lettered in basketball, baseball and tennis. He received his bachelor’s degree from Ball State University where he was a student assistant with the men’s basketball team. Wantz has also served as an assistant coach at Wilberforce University and the University of Indianapolis.

Wantz has a master’s degree in curriculum and instruction from the University of Indianapolis and is currently teaching in the Business department at Roncalli. Michael is married to Abby Kramer, and they have a son, Eli, and two daughters, Zoey and Piper.

Ian Brown – Varsity Assistant

Ian Brown begins his sixth year on the Rebel staff after 20 years of coaching experience at the collegiate level, with 10 as the head men's basketball coach at Doane College in Crete, Nebraska. He left Doane with the second-most wins in the program's history, coaching six players who earned an all-american status at the NAIA level and 25 NAIA Scholar-Athlete All-Americans. Prior to Doane, Brown was an assistant at Lincoln Memorial University (TN) and the University of Indianapolis. Brown is a teacher in the Physical Education and Health department and resides in Brownsburg with his two children, Cameryn and Crew.

John Hasty – Varsity Assistant

John Hasty begins his fourth year on the Rebel coaching staff. Coach Hasty graduated from Roncalli in 2008, and was a four year member of the basketball team. The record of the varsity the two years he was a part of the team was 34-8. He attended Marian University, playing a significant role in the Knights’ national championship football team. Hasty served as a graduate football assistant at Walsh University in North Canton, Ohio. He currently teaches World History in the Roncalli Social Studies department and recently married Shelia Elsener (R ‘10) and has one son, Luke.

Jamin Wernke - JV Head Coach

Jamin Wernke begins his 11th year on the Rebel coaching staff, and eighth as head junior varsity coach. Coach Wernke’s two previous coaching stops were at St. Barnabas and Morristown High School. He is a 2002 graduate of Roncalli High School, where he was a four-year member of the basketball program. Wernke is currently the athletic director at Holy Name and is married to Angela Grant (R ’03). Together they have two daughters, Avery and Anniston, and a son, Jimmy.

Justin Agresta – JV Assistant Coach

Justin Agresta is in his 14th season as a coach in the Rebel program, and his seventh as a junior varsity assistant coach. Agresta is a 2003 Roncalli grad and was a two-year starter for the Rebels, graduating as the school record holder for assists in a game. He attended the University of Indianapolis and is currently employed at Agresta, Storms & O’Leary, PC as an accountant.  He and his wife Shawna reside on the southside of Indianapolis.

Justin Wernke - Freshmen Head Coach

Justin Wernke begins his 10th year on the Rebel coaching staff, and his eighth as the head freshmen coach. He played four years of high school basketball at Roncalli and was a starter on the 2006 Sectional championship team. Wernke has also coached at St. Barnabas and is a sales rep at Piazza Produce and is recently engaged to his girlfriend, Lauren Soza.

Tyler Peterman – Freshmen Assistant Coach

Tyler Peterman is in his eighth year helping the Roncalli freshmen team. Tyler is a 2008 Roncalli grad, where he was the sixth man on the 2006 Sectional Championship team and a starter on the 2007 team that went 20-2. Peterman attended the University of Indianapolis where he was a member of the football team. He is currently employed at Peterman Heating and Cooling.

Jim Wernke – Freshmen Assistant Coach

Jim Wernke will be in his seventh season as an assistant coach for the freshmen team. He is the father of two former Rebels, Jamin (R ‘02), and Justin (R ‘06). He graduated from Jennings County High School in 1976 and continued his playing career at the University of Indianapolis. He recently retired from Indianapolis Power and Light after 35 years of service.