Trainer Bios

Matthew Alvin, Fitness Director

Matthew has been in the fitness industry since 1990. He started at the JCCNV in February 1996 as an SFA supervisor and now manages the cardiovascular Center and personal training program.

Training philosophy: "Fitness is forever."

Certifications:
May 2001:                     3^rd Degree Blackbelt; American Karate Institute/Kickboxing (Virginia)
July 1998:                     Certified Aerobic Kickboxing Instructor, Promise Enterprises
December 1997:            Certified Personal Trainer, American Fitness Professionals & Associates
February 1995:              2^nd Degree Blackbelt; American Karate System (Michigan)
February 1991:              1^st Degree Blackbelt; American Karate System (Michigan)

Allison Colman, Sports & Wellness Director
 

 Allison has been a personal trainer since 2008 specializing in youth fitness, sports conditioning and core conditioning. 

Training philosophy: "As a personal trainer, coach, and athlete, I believe in seeing each challenge as an opportunity to achieve a goal. I am dedicated to helping others reach their fitness and lifestyle goals through motivation, positive reinforcement, and a diverse knowledge of exercise. My physical fitness background has influenced me to engage in everyday challenges and build upon my goals, and I use a similar mentality when training others. I believe in treating each client as an individual and using a variety of exercise forms to train each muscle group and each aspect of physical fitness." 

Allison grew up in Centreville, Virginia and received her BS in Kinesiology from James Madison University with a concentration in exercise science and leadership, and a coaching education minor. She is certified through ACE as a lifestyle and weight management consultant.

Keri Roberts, Group Exercise Coordinator

Keri has been teaching in various styles of dance and fitness since 2002.  She has worked with a variety of levels but enjoys training in a corrective exercise style.  She believes she can instill a love of fitness and movement in those old and new to exercise while making it fun. 

Training philosophy: "My prime focus when I'm working with a client is re-aligning the body to prevent injury and reduce stress.  From there I work on building core strength to better perform everyday activities.  I believe that building core strength is the foundation that will result in a body that will move better and be resistant to injury -- at any age and any fitness level."

Keri is originally from New Jersey and came to VA where she earned a BFA in Dance from George Mason University.  She is a certified Personal Trainer (ACE) and certified Group Exercise Instructor (AFAA).

David Astrow, Personal Trainer

David is a second degree brown belt in Traditional Karate, holds a three-stripe blue belt and is a certified instructor in Level I Brazilian Jujitsu, and reached the second level in Krav Maga, the Israeli Defense Force martial art.  While working toward a fitness certification at Northern Virginia Community College he taught low impact cardio kickboxing to seniors.

David enjoys being a personal trainer, and has demonstrated his ability to work successfully with all clients from youth through seniors and has helped swimmers, wrestlers, and basketball players improve their performance.

Training philosophy: Dave believes every person can be a potential champion in their own way, and maintaining personal fitness is the first step. 

A native of Northern Virginia, David graduated from Annandale High School in 2006. While in school, he played several sports, wrestled all four years and was team captain his senior year. Currently he is an assistant varsity wrestling coach at Annandale and has coached two Virginia state champions. He enjoys working with youth and taught weight lifting at a summer school program at a local middle school.

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Jane Hansen, Personal Trainer

Jane has been with the JCCNV many years as a certified Jazzercise instructor. In 2008, her love of fitness inspired her to enroll at George Mason University to pursue a degree in Kinesiology and  become a personal trainer certified through NAFTA and AFAA. Jane is also one of the first in the country to be certified as a Biggest Loser^® Pro through AFAA.

Training Philosophy: Jane's passion is helping people increase their strength and aerobic capacity to become as functionally fit as they can be.

Rachelle Laskin, Personal Trainer

Rachelle has been a personal trainer since 2007 and has trained a variety of clients with different physical activity backgrounds and goals including: weight loss, recovery from injuries and medical issues and training with physical limitations.

Training philosophy: “It is very rewarding to see the progress that my clients have made. My programs are challenging and adaptable for those with physical limitations and injuries. I like to integrate all types of exercises to challenge the body and create programs that are interesting and prevent boredom and like to show my clients how much they are capable of with the right program, hard work and consistency. 

Rachelle is certified through NASM. In addition to her training background she has been an avid runner for 14 years and has competed in several triathlons including a half iron man.

Rachelle grew up in the Washington, D.C. area and received her undergraduate degree from University of Virginia, and attended the University of Denver for her graduate degree.

Kasha Williamson, personal trainer

Kasha has been a competitive athlete since attending high school in the Northern Virginia area, with her first athletic pursuits in downhill skiing and road cycling. Upon entering college at Virginia Tech, she switched her focus to running and competed with Virginia Tech’s cross country team throughout the state. As an adult juggling work, kids, and training, her sports interests are primarily in triathlons, running, and cycling. She has completed full and half Ironman distance triathlon races and is USAT age-group finisher (top 3 within age group) at the Olympic distance.

She is a certified Spin^® instructor and utilizes Chris Carmichael indoor cycling techniques. She has been a personal trainer specializing in running and overall improved endurance fitness for over two years.

Training philosophy: Kasha believes in understanding each person’s goals and their lifestyle to partner together to create an individualized workable plan. She believes in a holistic approach – food, fitness, and overall lifestyle habits – for a success life path of fitness. Kasha likes to help people find new interests that they might not have known existed!

Outside of the JCCNV, Kasha is the owner of Shared Results Inc., an employee wellness company.