Coaches & Directors
Coaching Staff

John S Collis III, Ph.D. CSCS

Director of CSI Swim & CSI Athlete


John is a former All-American, Indiana University distance freestyler, US Olympic Trials qualifier and member of the 1984 Greek Olympic Swimming Team.  A former NCAA Division I, USA and High school Head Swim Coach, John has coached numerous Age-Group, USA, Olympic Trial Qualifiers and NCAA National Champions.  Collis currently serves as the Sprint & Strength Swim Coach for Brecksville-Broadview Heights High School, in which he designs and instructs both the Swimming and Dryland curriculum for the team. Within a five year span, the Brecksville Swim Team has gone from being unranked in the State to placing second in the State, with their Sprint relay placing First in the Nation.

As a competitive swimmer, John had the unique opportunity to compete for and train under three coaches who have all been enshrined in Competitive Swimming's highest honor, Swimming's International Hall of Fame. These three coaches include Jerry Holtrey, Lake Erie Silver Dolphins, John Trembley, High school National Champions Mercersburg Academy and the legendary "Doc Counsilman, seven time NCAA Division I National Champions, Indiana University.

John's All-American swimming accomplishments included being the top 500yd freestyler for High school National Champions Mercersburg Academy in 1981, a 4 year varsity distance swimmer for Indiana University, a 1984 United States Olympic Qualifier (200M and 400 M freestyle) and a member of the 1984 Greek Olympic Team (200 M freestyle, 400 M freestyle, 400 M freestyle relay, and 800 M freestyle relay). 

John has over 20 years of competitive swim coaching experience, coaching at the Division I NCAA, USA Club and High school levels. This coaching experience has resulted  in producing 14 High school State Champions, 11 age group National Champions and 7 NCAA National Champions, including 2010 NCAA sprint free-styling record holder, Zack Turk.

John is the founder and executive director of Cleveland Swim Institute and Cleveland Sports Institute, a multidisciplinary health, fitness sports enhancement and sports medical facility located in Broadview Heights, Ohio.   Since beginning his professional coaching career, John has remained steadfastly committed to providing all of his athletes with the same positive life lessons that he learned from his three coaching mentors. Most importantly, his commitment to passing on values like goal-setting, determination, and teamwork which is most evident through his selection of CSI Athlete's staff, whose team members exemplify these same standards of high-quality coaching and mentorship.

John lives in Solon with his wife Katey, two daughters Kacey and Laina Jane, and their three dogs, Pepper, Coal and Bailey.

Mark Krusinki

Assistant Senior Coach


Mary Ann Krusinski

Age Group & Developmental Coach


Eric David Dennis

Fairview Park Location


- NEON Swim Team Head Coach & Owner from 2007 - 2017 (Independently owned and operated, producing numerous Junior National, Sectional, State and Zones swimmers)

- Former elite swimmer for LESD, St Edwards and Cleveland State University

- Head coach of North Olmsted from 2002-2010

- Head Coach of St Edwards High school from 2010 - present

- Similar to the Krusinski-Collis relationship, the Collis-Dennis connection dates back to 1996, when Eric swam for John’s former USA Team (Team Viking) as well as St. Edward’s High School, again under John.

- Eric lives in Fairview and serves as the Director of Aquatics for the City of Fairview. He has been happily married for 13 years, with 3 kids and 3 dogs

Matthew Stephen Laughlin

Cuyahoga Heights Location


- 4 year varsity swimmer and team captain of Centerville High School swim team.

-13 year swimmer for USA Swimming’s WTRC Sharks .

- Graduate  of Baldwin Wallace College, with a major in Sports Management. 

- Four year varsity swimmer, Team Captain, Receiving three 2nd team All OAC Honors. 

- NEON Coach from 2009 - 2017, focusing on 10-14 year old age group, producing several Zone and Sectional Qualifiers and finalists. 

- Former Head Coach of Olmsted Falls. 

- Head Coach of Cuyahoga Heights High school from 2014 -  current

Katey Collis

Administrative Support


Kara Lynn Dennis

Fairview Park Location


Kyle Jakosh

Assistant Age Group Coach