James Di Naso
Police Performance Director
James Di Naso is co-owner of Police Kinesiology Company and serves as the company’s Police
Performance Director. Over the past several years, he has traveled to academies and agencies all
over the United States training thousands of federal, state, county and city law enforcement officers.
He is a nationally recognized subject matter expert on law enforcement physical preparation. James is
also a sought after speaker and has presented at several state, national and international law
enforcement conferences including ITOA, ASLET, and ILEETA. He has authored many articles on
police specific fitness for national publications and has a featured video series on policeone.com and
bluetube. James is also an instructor for North East Multi Regional Training (NEMRT), a regional
police-training academy in Illinois.
Prior to focusing his efforts on training law enforcement officers, James worked for eighteen years as
a sports performance coach training athletes at every level including professional athletes from the
NFL, NBA and MLB. He served as the Executive Sports Performance Director for Velocity Sports
Performance in Willowbrook IL and has owned and operated his own performance training business
for sixteen years. James holds a Masters Degree in Exercise Science from Eastern Illinois University
and professional certifications from the National Strength and Conditioning Association, and the
United States Weightlifting Federation.
Kate Kalnes is co-owner of Police Kinesiology Company and serves as the company’s
Technical Director. She is an instructor for North East Multi Regional Training, a
regional police training academy in Illinois, and has co-authored seven police
performance training courses. Prior to focusing her efforts on law enforcement training,
Kate served as the Assistant Director of Recreation at Huntingdon College and held an
intern position with the strength and conditioning program at Miami University in Ohio.
While at Miami University, she trained athletes of all sports in Miami’s Division I sports
program. Kate earned an undergraduate degree in Human Performance and
Kinesiology from Huntingdon College and a Masters Degree in Exercise and Health
Studies from Miami University as well as professional certifications from the National
Strength and Conditioning Association, and the United States Weightlifting Federation.
Brian Marvin joined Police Kinesiology Company in 2006 as an instructor and also serves as the company’s
law enforcement consultant. He is also an instructor for North East Multi Regional Training, a regional police
training academy in Illinois. Brian has instructed at numerous PKCO courses and brings years of law
enforcement experience to the company. Brian is a thirty (30) year veteran police officer and served his
entire career with the Coles County Sheriff’s Office in Charleston, IL. During his tenure, he worked in all
aspects of law enforcement and retired from the Sheriff’s Office in March of 2007 with the rank of
Administrative Captain. Brian not only brings his law enforcement background to PKCO, but he also brings
his own experiences of having trained incorrectly for years. His own experiences help officers understand
the importance of both injury prevention and using exercise science to train smarter and improve police
performance. Brian has trained with PKCO owner James Di Naso for several years and has assisted him in
coaching the youth members of the Olympic weightlifting club that James sponsors, as well as numerous
officers (both male and female) with their own fitness programs. He is currently pursuing certification from
the National Strength and Conditioning Association as a fitness trainer.
PKCO co-owner James Di Naso credits Brian for the direction and guidance he gave James earlier in his
career to develop law enforcement specific training programs. Brian’s influence led to the development of
James’s first police fitness course, which eventually became the PKCO Tactical Police Agility Practitioner
course several years later.
Maranda Rehg has been an instructor with PKCO for the past three years. She is also an
instructor for North East Multi Regional Training, a regional police training academy in
Illinois. Maranda has assisted with numerous PKCO courses including the Specialized
Fitness Training for Female Officers and the Tactical Police Performance Instructor
courses. She has an extensive background in sports performance training and Olympic
style weightlifting where she has competed and coached at the national level. Maranda
earned her undergraduate degree in kinesiology with an emphasis in preventive
rehabilitative exercise science from Northern Illinois University. Currently, Maranda is
pursuing a Master’s degree in exercise science from Eastern Illinois University. She holds
professional certifications from the National Strength and Conditioning Association and
the United States Weightlifting Federation.
Director of Police Technologies/Assistant Instructor
Dave Lewis is the newest member to join Police Kinesiology Company and serves as the Director of
Police Technologies. He oversees the technologies PKCO instructors use during all PKCO courses
and is responsible for collecting data and researching technologies to improve police performance.
Dave has been training with PKCO Police Performance Director James Di Naso and PKCO Lead
Instructor Brian Marvin for the past two and a half years. Dave earned his Bachelor’s degree in
criminal justice from Western Illinois University and currently works as a patrol officer with the Coles
County Sheriff’s Department in Charleston IL. He has assisted with many PKCO courses and
presentations including the annual ILEETA Conference in Chicago.