Meet our Team!
We work very closely as a team here at Results Fitness, so you’ll probably meet and work with each of our team at some point while you’re working out. The program you are given to train with remains exactly the same, and will change every 4-6 weeks - regardless of who the fitness coach you are working out with is.
Your schedule is the most important factor to us in determining who we assign to work with you. Check out each team member's bio below. Any problems or questions with regard to your training program or schedule; please do not hesitate to contact any member of our team.
Alwyn Cosgrove - Owner
Born in Scotland and initially exposed to fitness training through an intense competitive sport martial arts background, Alwyn Cosgrove began reading and studying any training related material he could get his hands on. This led Alwyn to formal academic studies in Sports Performance at West Lothian College and then progressed on to receiving an honors degree in Sports Science from Chester College, the University of Liverpool.
During his career as a fitness coach, Alwyn began with assisting in martial arts lessons in 1986 and teaching fitness classes in 1989, and has studied under all of the top fitness professionals and coaches in the world and has worked with a wide variety of clientele, from general population clientele to several top level athletes, World Champions and professionals in a multitude of sports.
A sought after 'expert' for several of the country's leading publications including a regular contributor to Men's Health magazine, Alwyn has co-authored three books in the "New Rules of Lifting" series and currently spends his time consulting on fitness training, training clients, training his staff at Results Fitness, speaking on the fitness lecture circuit and coaching fitness trainers worldwide in their businesses. For the past decade, with his wife Rachel, Alwyn runs Results Fitness in Santa Clarita, California - which has been twice named one of America's Top Gyms by Men's Health magazine, a gym which specializes in programs for real-world, busy people and prides itself on "changing the way fitness is done - period!"
Rachel Cosgrove - Owner
Rachel earned a Bachelors degree from University of California - Santa Barbara in Physiology, and is a certified strength and conditioning specialist by both the National Strength and Conditioning Association, and the United States Olympic Weightlifting Federation. She is also a USAT Level 1 Triathlon Coach and has been certified as a triathlon coach with Dave Scott and Triathletix. Rachel is also member of the American Dietetic Association and is one of only a handful of people in the country to be qualified as a Nutrition and Lifestyle coach from the prestigious CHEK institute. She is also a certified sports nutritionist with the International Society of Sports Nutrition.
Fitness Competitions
Rachel has competed in fitness competitions, and qualified for the Ms. Fitness America National Championships. Since then she caught the endurance bug and did her first triathlon in 2005 and completed Ironman USA in 2007, her first full Ironman. Always setting goals for herself, she believes that pushing her own athletic limits helps her to be a better business owner, coach and leader for her team of employees.
Fitness Magazines
Rachel has been featured in numerous fitness magazines including Muscle and Fitness Hers, Men’s Fitness, Men’s Health, Women’s Health, Oxygen and Shape magazine. She also speaks nationally and internationally on health, fitness and motivation.
Rachel is a columnist for Women’s Health magazine and had her first book published, The Female Body Breakthrough, by Rodale in November 2009. Her new book, Drop Two Sizes, is scheduled to be released in April 2013.
Team Effort
Rachel works with the team of fitness coaches here at Results Fitness to ensure that the clients are getting the absolute best there is in training programs, coaching, customer service and results. Rachel settles for nothing less than excellence when it comes to the quality of service her team gives to the clients of Results Fitness. She doesn’t coach as many clients as she used to, but instead spends the majority of her time coaching her team of employees. Through them she can reach and help far more people then on her own.
As a business owner overseeing her team of employees she leads the team with the mission statement, “Changing the way fitness is done - period!“ She and her team strive to become the best part of their members' day, achieving results, changing lives and changing the way fitness is done while having fun doing it!
Mike Wunsch - Fitness Department Manager and Program Design Specialist
Mike has devoted his life to his athletes, and to his clients. He believes anyone can improve in any aspect of their fitness. As a former college basketball player, he knows that hard work will yield great results, "As long as you try your best."
Mike has a Bachelor of Science degree in Kinesiology from California State University Northridge, is certified by the National Strength and Conditioning Association as a Personal Trainer and a Strength Conditioning Coach, and is a certified Sports Performance Coach through the United States of America Weightlifting Association. Mike completed a three year sports medicine internship with the National Athletic Training Association, a three semester staff assignment at the Center of Achievement for the Physically Disabled at California State University Northridge, and has over four years of experience in a physical therapy clinic.
With a passion for the human body and education, he strives to empower his athletes and clients with knowledge so that they may continue to improve throughout their lives.
Craig Rasmussen - Program Design Specialist
Craig has relocated back to Southern California after spending several years in Indianapolis, Indiana working as a fitness coach at a private training facility, and a strength coach at the high school level. Prior to that, Craig worked as a full-time Physical Education teacher at the middle school level in Santa Monica, California. Craig also received his BA in Physical Education from CSU Chico. He grew up in Ventura attending Buena High School with basketball being his sport of choice.
Craig became passionate about weight training following his freshman year in college when his Junior College basketball coach listed that two of his weaknesses were his strength and size. This proved to be a great motivation for him and he now is a competitive powerlifter and is a Certified Strength and Conditioning Specialist through the National Strength and Conditioning Association.
Cody Bartosh - Fitness Coach
Cody is a SoCal native with a creative mind and a passion for fitness. He believes that average people will achieve above average results with hard work, determination and the right help. He is a Certified Sports Performance Coach through the USA Weightlifting Association and is currently working towards his National Strength and Conditioning Association Certified Personal Trainer credential while finishing up his internship at Results-Fitness.
He brings to the team a positive attitude and a healthy desire to help people succeed. His motto, “We all have habits, some good some bad, the good thing is we can change them as soon as we decide”.
Brian Gilbert - Fitness Coach
Brian relocated from San Francisco to come work with Results Fitness and is an invaluable member of the team. Brian is a gifted coach with a passion for people and helping them to reach their goals. A competitive powerlifter Brian recently placed second in his weight class at a USPL raw competition event.
Amy Wunsch, MSPT - Head Physical Therapist
Amy Wunsch, MSPT graduated from Ithaca College, NY in 2003 with a Masters of Clinical Science and a Masters of Physical Therapy where she was also captain of the New York State Champion Women’s Track and Field teams and a member of the NCAA Finalist Women’s Soccer Team. She is licensed in the state of California through the Physical Therapy Board and is a proud member of the American Physical Therapy Association with special interests in orthopedic rehabilitation and sport rehabilitation. Amy has a passion for helping others meet their physical goals reach their full potential. Dedicated to excellence and continuing education, Amy has participated in many conferences around the United States and has taught local lectures in her community. She and became the youngest Assistant Clinical Director at a prominent Southern California Physical Therapy facility where she gained experience treating patients with orthopedic, lymphedema, cardiac and neurologic conditions ranging from 7 wks to 94 years of age. Amy then moved on to treat in a leading sports medicine facility, voted, “Best place to go for a sports injury,” in Competitor Magazine and, “Best place to go for physical therapy in LA,” by the LA Times. Here she treated recreational, professional and Olympic athletes, stunt-people, celebrities, Cirque de Sole performers and patients ranging from 4 months to 89 years of age. At this time Amy Wunsch, MSPT also treated patients at UCLA Orthopedic Hospital gaining experience in the treatment of systemic disease, cardiac conditions, neurological conditions and post-surgical conditions of the extremities and spine. As a resident of the Santa Clarita Valley, Amy believes in the importance of working within her own community and, therefore, founded Results Physical Therapy in February, 2011. Teaming up with the Results Fitness (the industry leaders in weight loss and personal training) has enabled Amy to influence her local community and reach a national audience. Results Physical Therapy exists to make a difference in the local and global communities through supplying the highest quality of care and educational opportunities. Amy Wunsch, MSPT and the Results Team are focused reaching patient goals and exceeding expectations.Elias Scarr - Membership Director
Our membership director, Elias, has been with us for a little over a year, and what a year it's been! His energy and enthusiasm has been a welcome addition to our team. If you have any questions about your membership or becoming a member, please don't hesitate to contact him at elias@results-fitness.com.Kathy Mascaro - Fitness Coach
Kathy has been married for 21 years with two girls ages 20 and 19. She became a member of her first gym at the age of 16. Being a child of the “aerobics” era, she didn’t actively start weight training ‘til many years later. Enjoying the benefits of weight training, she decided to become a trainer and received her certification from ACE in 2006. Kathy enjoys riding quads & buggies. She also enjoys both snow & water skiing, and camping with family & friends. Her love of fitness, along with a 10 year background in retail management, makes Kathy a definite asset to the Results Fitness team.
Melanie Ferrell - Member Service Rep
Beth Wilke - Member Service Rep
Allison Thomson - Member Service Rep
Kristina Clark - Member Service Rep
Kristina came on board as a Results Fitness team member after being a member for one year. She was born and raised here in the Santa Clarita Valley, is dedicated to her husband James, and their beautiful and healthy daughter, Molly. Kristina comes to us with a bachelor's degree in Business, an extensive Human Resources background, a passion to help people, and the desire to learn more about fitness. Kristina's newfound hobby, working out at Results Fitness, has become a priority in her life; so she can set a great example for her daughter, and so she can lead a healthy and rewarding life.
Jennifer Kniss - Director of Results Fitness University
Jennifer has been a Results Fitness member since 2005. She has worked for the DMV and the Newhall School District as a substitute teacher. Jennifer was happy and excited to join our front desk team and is now the director of Results Fitness University where fitness professionals find the opportunities and resources to learn exactly how we built and run one of the Top Ten Gyms in the United States as voted by Men's Health magazine.
Results Fitness improved her golf game and helped her get ready for her 1st 5k. Jennifer is the busy mother of two boys, both in college, and she has been married to her husband Greg for 28 years!
Cheryl Clift - Administrative Assistant to Rachel Cosgrove
Donna Bent - Results Fitness Project Manager


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