Our Trainers

Jim Moore, Head Trainer

Jim began CrossFit in 2008 and has been a convert ever since. He holds a Ph.D. in School Psychology from the University of Southern Mississippi and is a Board Certified Behavior Anaylst. Jim holds the following CrossFit Certifications – Level 1, Crossfit Kids, Olympic Weightlifting, Running/Endurance Training. He received his Level 1 Certification at Brand X CrossFit in Ramona, CA. Jim also received the USA Weightlifting Level One Sports Performance Certification in Olympic Weightlifting under the direction of Coach Gayle Hatch and Matt Bruce.

Jim enjoys tennis, reading, and music. He has been married to Laura Lee for 20 years and they have three children: Alex (19), Kennedy (13), and JoJo (3). Jim aspires to have a squat as good as JoJo one day.

Jim is the lead trainer of the main Infragilis program. He writes the main programming, supplemental program, and teaches most of the main program classes.

Katie Graversen

Katie Graversen (aka, the Ragin’ Cajun) was born in Ponchatoula, La. just north of New Orleans.  She has a license in practical nursing, which she has held for 9 years.  She attended Southeastern Louisiana University School of Nursing before moving to Laurel, MS. two years ago.  Katie has been married to her husband Jens for four years.  In her spare time she enjoys traveling, being outdoors, and spending time with her husband and stepdaughter Olivia (6).

Katie began CrossFit in 2011 after many experiences with other forms of “training”.  She was certified in April 2012 at CrossFit Ethos in Laguna Hills, CA.

Katie is available for one-on-one training and Essentials training. She also teaches the Wednesday afternoon Infragilis classes. Contact Infragilis today to learn how to schedule an appointment with Katie.

Ellen Underwood

Ellen began CrossFit in 2011 and placed 3rd in the Women’s Scaled Divsion of the first-ever CrossFit-affliated event in the state of Mississippi (Crossroads of the South).  Originally from Jackson, she moved back to Mississippi two years ago after studying theater and dance at the University of Texas at Austin.  With a background in dance, Ellen still can’t believe how much she enjoys loading barbells and moving weight.
Ellen loves learning, living, and laughing…and putting green things in a blender with protein and watching magic happen. She completed her Level One Certification in March 2012 at Faction Strength and Conditioning, home of CrossFit Memphis.

Ellen is available for one-on-one training and Essentials training. She also teaches the Friday afternoon Infragilis classes. Contact Infragilis today to learn how to schedule an appointment with Ellen.

RayRay Lewis

Ray began Crossfit in November of 2011.  He has also been a Group Fitness instructor at Anatomies since he moved to Mississippi in 2002.  He was instrumental in starting the Group Power and Spinning programs when he moved to Hattiesburg.  Prior to relocating to Hattiesburg, he taught BodyPump in Toledo, OH, beginning in 1998.

Ray was born in Ohio and has been married to his wife, Tammy, since 1990.   He has two daughters, both active in sports, and has coached both of them in fastpitch softball over the years.  Kelsea (18) currently plays Softball for PRCC and Erica (16) runs Cross Country for Oak Grove.  Ray holds a BSME degree from Ohio University and is the Engineering Manager at Berry Plastics Corporation in Hattiesburg.

Ray has participated in two Garage Games competitions, placing 4th in the Team Competition in Panama City Beach, FL and 2nd in the Individual Masters Competition in Biloxi.  He completed his Crossfit Level One Trainer’s Course at Rogue Fitness in Columbus, OH in December, 2012.  The highlight of the training was having Matt Chan, 2012 Crossfit Games 2nd Place finisher, as one of the cert trainers.

Ray feels it is a honor to be an Infragilis Crossfit trainer and looks forward to helping others achieve their fitness goals. Ray is available for one-on-one training and Essentials training. He also teaches the Wednesday and Thursday evening Infragilis classes. Contact Infragilis today to learn how to schedule an appointment with Ray.

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