About Us

Baseball Concepts is based in Zeeland, Michigan and exists to provide the highest level of baseball training in West Michigan. Owned by current assistant Hope College Coach, Devin Schaefers, Baseball Concepts is focused on the cutting edge of baseball technology (Rapsodo, HitTrax, data collection) and research to keep up to date with the modern game. The coaching staff are all former college and professional players who all care deeply about our players reaching their goals.

  • Devin

    As the Owner of Baseball Concepts, Devin will be working with our hitters and catchers in 4-man workouts on Mondays and Tuesdays. Coach Schaefers is a former player and now current Assistant Baseball Coach for Hope College. Devin is an infielder from Southern California making only 5 errors in 281 total chances during his time in college. His 15 years of experience behind the dish (coached by a former member of the Houston Astros pitching staff alongside Nolan Ryan) allows him to provide great pitching instruction too.  Devin has received several MIAA awards and accolades in his career, including 1st Team MIAA All-Conference member. Devin has a ton of experience working with youth players and is great at relating with kids!

  • Matt

    Matt is the Director of Baseball Operations at Baseball Concepts and a former pitcher at Hope College where he played under Stu Fritz and honed his pitching skills. Matt spent the past several years working as an Athletic Director and pitching trainer in the Indianapolis area. He has trained several players that are now competing at the collegiate level. Matt is the Lead Pitching Instructor for BC and enjoys using the Rapsodo to help pitchers understand pitch design and shape.

  • RBJ

    Ryan Blake-Jones is the Director of Player Development and a former power hitting 1st Baseman/Catcher who played his collegiate career at Grand Valley State University where he earned multiple All-GLIAC and All-Regional awards while hitting .370 over his college career. Ryan works with hitting training, infielding and catching work. He relates well with players of all ages, and has years of coaching experience!

  • Ryan Dorow

    Ryan Dorow is a former MIF in the Texas Rangers organization playing at the AAA level and current Head Coach at Hope College. He had a massively successful career at Adrian College and went on to climb the ranks of minor league baseball and get Major League at-bats between 2022-23. Ryan has an elite hitting and defensive mind and offers detailed training as an MLB player would have.

  • Kayla

    Kayla is a former collegiate softball player who played at Alma College! She is now the current varsity softball coach at Zeeland West high school and previously coached at Allendale high school. Kayla also coaches one of the premier travel softball teams in the midwest and consistenly helps players reach the next level after high school! Kayla specializes in hitting training and also provides pitching and defensive instruction!

  • Jarret Olson

    Jarret Olson is the current GVSU Pitching Coach and will specialize in Rapsodo Pitching Lessons for Baseball Concepts!

    Olson spent the last two years (2022 and 2023) as the pitching coach at Lansing Community College where the Stars won a combined 94 games and advanced to the NJCAA World Series twice. LCC finished third at the 2023 World Series and tallied a record of 50-12. The pitching staff ranked eighth nationally in both earned run average (4.20) and shutouts (8), while setting a program record for strikeouts with 455. In addition, he tutored the 2023 Junior College National Pitcher of the Year. The 2022 squad placed fifth at the World Series and finished with an overall mark of 44-11. The pitching staff ranked 10th nationally with an ERA of 4.16 and ninth in shutouts with seven. Two pitchers earned All-America honors in 2022.Olson pitched collegiately at Michigan State University from 2018-2021, tossing a combined 60.1 innings in 2019 and 2020. He struck out 55 batters and opponents hit just .194 off Olson in his 18 career appearances. He was 1-1 in 2020 with a 2.02 ERA in 26.2 innings pitched. Olson tallied 28 strikeouts and yielded just six earned runs and 13 hits during his junior campaign. Prior to the 2021 season Olson was tabbed as a preseason All-Big 10 performer, but an arm injury limited him to just one appearance on senior day. 

  • Nate Wargolet

    Nate Wargolet was a hard throwing relief/closer in his career at Kalamazoo Valley Community College and Grand Valley State University. He is the current Pitching Coach at Hope College. He earned multiple wins and saves while recording a no-hitter his sophomore season. Coach "Wargy" creates a fun atmosphere for players and has a high level of pitching knowledge. He works with players on all aspects of the game with a main focus of pitching. 

  • Kyle Houts

    Kyle Houts, a former utility player for Calvin University, where he honed his skills in hitting and defense. Houts spent his past several years climbing the ranks of collegiate baseball at Maryland Eastern Shore, yet is formally known for his time as a hitting trainer/youth academy hitting director at Driveline Baseball in Kent, WA. He also spent time with the Kalamazoo Growlers, residing as the hitting and third base coach. He has trained multiple major power-five and professional athletes. “Hooter” works with hitters on increasing their bat speed, bat-to-ball skills, and swing decisions, paired with understanding body awareness and understanding Hittrax, Blast Motion, and Rapsodo Data.

  • Tanner Tresemer

    Tanner Tresemer played locally through Zeeland East for all four years of high school while being a team captain and earning All District and All Conference awards. He went onto Muskegon Community College as a team captain and power hitting catcher who hit over .350 his sophomore year and was named to the All-MCCAA team. He will start his junior year on Grand Valley State's baseball team. Tanner specializes in working with hitters and catchers of all ages.

  • Alaina Adams

    Alaina Adams is a former Hope College Softball Pitcher who is fabulous with our youth and high school softball pitchers! Alaina's senior season at Hope she threw just 7 walks in 45.2 IP as the top relief option out of the pen for the Dutch. Alaina provides a warm, relational approach to the pitchers she works with and is great at teaching the basics for a young pitcher just learning softball for the first time.

  • Jennaka Bultman

    Jennaka Bultman is a former two-way player at Hope College. She has been pitching since the age of 10 and continues to do so for the Hope Flying Dutch and has experience as both a starter and reliever. Jennaka also played first base and was a regular hitter in the lineup. Before Hope softball, she played for the Kansas City Peppers softball organization. Jennaka enjoys working with young players and is excited about helping develop them and get them to the next level!

  • Joe

    Joe Huesing is a former pitcher from Grand Valley State University where he succeeded as a crafty right handed pitcher who filled up the strike zone with three great pitches. He decided on the pitching route late during his senior year despite being a successful hitter throughout his career. Joe has a ton of experience and success coaching ball players of all ages, and he specializes in pitching and hitting instruction. 

  • Cody Grice

    Cody Grice is a former GVSU Hitting/Defense Coach and eighth overall in the Laker baseball program. Grice, who is heavily involved in several off-season duties with the program, is responsible for coaching defense, bunting, base running and hitting.

    Grice, a former Laker, returns to GVSU after four-year career in the professional baseball minor leagues. Most recently, he enjoyed a 61-game stint with the Tampa Yankees in the Florida State League, which is at the A (Advanced) level. In his 188 at bats with the Yankees, Grice tallied 35 hits and 45 total bases.

    Part of his 2013 season was with the Scranton/Wilkes-Barre RailRiders at the AAA level and the Trenton Thunder of the AA's Eastern League. The year prior, with the Charleston RiverDogs at the A (Full) level, Grice hit .212 and toted a .264 on-base percentage.

    Grice's start in the minor leagues came after he was selected in the 12th round of the Major League Baseball Amateur Draft by the New York Yankees. His minor league career began with a one-year stint as a member of the Staten Island Yankees, where he hit .241 and got on base at a .341 clip. In 166 at bats, Grice amassed 40 hits, including seven extra-base hits, 18 walks and 23 runs batted in.