Grand Slam Instructors:

Grand Slam U.S.A. offers 9 instructors. All Grand Slam U.S.A. instructors have a minimum of 4 years college playing experience, and/or coaching experience, a year of instructional training in Grand Slam U.S.A., experience working with small groups and teams, continuing education throughout the year working camps around the country, going to sports conventions and working with local High School teams during the summer.  At Grand Slam U.S.A., we believe that its not what you’ve done, but how well you evaluate and communicate that will help a player improve their skills. Our ultimate goal is to help them get to the next level.

Grand Slam USA
Jim Hallman
Owner, Lead Instructor
Bio: Jim has an extensive background working with little league, high school, college and professional players. He has over 25 years experience as an instructor. Jim has worked camps, clinics, and individual lessons throughout the country. He also brings 20 years of experience as a college baseball coach (Johnson County Community College, UNI, and Grand View) and 5 years as a professional scout for the Chicago Cubs. As owner and Lead Instructor of Grand Slam U.S.A. for the past 19 years Jim has averaged 55 hours of lessons per week each year.

Grand Slam USA
Mick Delaney
Manager, Instructor
Bio: Mick has been an instructor at Grand Slam for the last 4 years. He attended Urbandale High School. After playing some baseball after high school Mick got into coaching. After coaching at Dowling Catholic for 2 years and is now the Head Varsity Assistant at Woodward Granger. Mick has also helped out with our 14U USSSA team for the past 3 years. He is also a coach for our High School Fall League.

Grand Slam USA
Carver Stokes
Manager, Instructor
Bio: Carver played his High School Baseball at Urbandale High School as a 2 year varsity letter winner. Carver played his college baseball at Grand View University for 3 years, he graduated in 2016, where he was the DH and 1st baseman. Carver has been doing lessons and clinics here at Grand Slam for 4 years and also is an Assistant Coach for our 14U Red team. Carver has led numerous clinics of youth and high school age players and runs our Summer, Winter, and Spring Break Youth camps.

Grand Slam USA
Devon Jacobus
Manager, Instructor
Bio: Devon played high school ball at Cedar Rapids Kennedy. Devon played 4 years as a utility infielder. He was part of the 2010 State Championship Team. He went on to play 4 years at Grand View University, primarily at second base. In his third year working at Grand Slam, Devon has been doing many lessons as well as running many of our youth and high school hitting clinics for both baseball and softball. He also coaches one of our 13u club teams as well as a High School Fall team.

Grand Slam USA
Sasha Frauenholz
Softball Instructor
Bio: Sasha is a gradaute of Iowa City High School where she lettered all 4 years as a pitcher. She is currently in her 3rd year as a Coach at Urbandale High School. She coaches the Freshman and is a Varsity Assistant. Sasha is finishing up college at Grand View University where she is getting a degree in Sports Management.

Grand Slam USA
Dalton Parrott
Baseball Instructor
Bio: Dalton played at Dowling Catholic High School. His junior year Dalton led the team with a .476 batting average, while also leading the team with 22 stolen bases. His senior year he started on their 2011 State Championship team. After high school Dalton went on to play college baseball at the University of North Dakota. He has been an instructor for three years at Grand Slam and is the head coach of one of Grand Slam’s 14U USSSA teams.

Grand Slam USA
Trey Cook
Baseball Instructor
Bio: Trey went to high school at Grandview Park Baptist. He then went on to play at Upper Iowa University, where he was a pitcher for 4 years. Trey has worked at Grand Slam for the last 2 years. In addition to being an instructor he has coached in our high school fall league for 2 seasons and is the Head Coach of our USSSA 14U Grand Slam Red team.

Grand Slam USA
Will Scholer
Baseball Instructor
Bio: Will has been an instructor at Grand Slam for 5 years. He attended Norwalk High School and was a 3 year starter for the Warriors. After graduating in 2006, Will moved on to play Short Stop at Kirkwood, and Mount Mercy.

Grand Slam USA
Dan Barnett
Baseball/Softball Instructor
Bio: Daniel is new to Grand Slam, and to the Des Moines Area. Daniel is from Chicago where he played at Whitney Young High School, Dan played his college ball at Maryville University in St. Louis which is a D2 school in the GLVC where he was a Team Captain. He has played in many Summer ball Leagues across the Nation during his time in college, specifically Illinois, Wisconsin, and Mississippi. Daniel is a catcher by trade, and has had a lot of experience giving lessons, coaching, and helping at camps in the Chicago area. He is a welcomed addition to the Grand Slam Team.

Benn Stockton: Benn has been an instructor at Grand Slam for 6 years. He graduated from Lincoln High School in 2005, then finished his baseball career at Grand View College. He has coached our fall League for 5 years, and enjoys Sunday night team clinics. Benn was the 14U USSSA head coach in 2012 and is a volunteer assistant coach for Dowling High School. Benn also leads our High School Hitting Clinics for numerous central Iowa Baseball and Softball teams.

Amy Houston:  Amy has been an instructor at Grand Slam for 2 years coaching individual lessons, group clinics and outdoor summer & fall clinics. She attended Sergeant Bluff-Luton High School earning a Varsity starting position at 3rd base and received All State honors for 5 years (began in 8th grade) and still holds the stolen base record. Amy played softball and graduated from South Dakota State University. After college, she was the Hoover High School Assistant softball coach and continued as the Roosevelt High School Assistant coach for 2 years.

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Central Iowa Strength and Conditioning

Central Iowa Strength and Conditioning is committed to developing our athletes both on and off the field. Our goal is to provide each athlete with the tools necessary to reach their athletic potential. Our Ultimate goal is to improve athletic performance, decrease the likelihood of injuries and increase mental and physical resiliency. Our goals are accomplished by utilizing ground based, multi-joint movements in an environment of positive reinforcement, great communication, and constant encouragement. We specialize in small group and team training. We feel this is the best way to facilitate a championship caliber atmosphere.

*Discounted Rates for members of Grand Slam baseball and softball clubs/Grand Slam Fall League players, contact Jim Hallman at Grand Slam USA to get signed up!
*Discounted rates for military, tactical operators (EMT’s, Fire Fighter, Law Enforcement)
*College athletes with valid ID are also eligible for discounted rates

Jared Fink
Director of Athletic Development
Central Iowa Strength and Conditioning
p: 515.897.8336

2018 Jan-Apr Clinics

Grand Slam USA announces January-April Softball and Baseball Clinics! Grand Slam will be offering Fall Youth clinics that will cover Hitting, Fielding, Pitching and Catching (positional) and Fundamentals for both Softball and Baseball.
Please see the Jan-Apr Clinics page to print off the registration form.

Pure Prep Academy

Grand Slam USA is glad to welcome Pure Prep Basketball Academy to the facility! Pure Prep Basketball Academy is built on the philosophy that development driven training produces future high level athletes. Hard work, perseverance, and dedication are the center of their relationship building concepts.

For more information go to -

Grand Slam Baseball Club

Upcoming Camp

Get In Touch!

Address: 4137 120th Street, Urbandale IA 50323

Telephone: 515.278.1070

FAX: 515.278.0848