Our team of professionals cares about your experience and results! Each IM=X® Pilates Studio has certified instructors and personal trainers who have gone through the IM=X Pilates and Fitness Certifications. Our Master Trainers are available to ensure that you are achieving your goals. Whether you need to lose weight, reduce back pain, improve performance, reduce age-related incontinence or just feel strong, our trainers are available to help.

Rhonda Webber is the owner and manager of IM=X® Pilates Lake Oswego along with her husband Mike. Rhonda is a lifelong health and fitness enthusiast and has more than 20 years experience in customer service and business management, including many years with both Nike and Nordstrom. Rhonda is certified as both an IM=X® Pilates instructor and a Spin instructor, and will be certified as an IM=X Master Trainer in 2009. Rhonda along with her husband and son live in West Linn and purchased their IM=X franchise after hearing rave reviews from customers and trainers around the country about the IM=X® Pilates system.

Barbara Dieringer As a former Physical therapy aide and a current Licensed Massage Therapist, Barbara emphasizes the importance of building a strong core to prevent injuries. Teaching IM=X® Pilates for the past six years, Barbara has seen exceptional progress with clients by increasing their overall strength and flexibility. A fitness enthusiast in her spare time, Barbara enjoys hiking, biking, snowshoeing and kayaking as well as spending time with her children and her Lhasa Apso, Gracie.

Erin Zintek Erin has taught Pilates and yoga for over three years and as a current IM=X® Pilates instructor, Erin wants to help her clients achieve their "best self". Additionally, Erin is a professional modern dancer and received her BFA from the University of Iowa.   Her dancing career has taken her across the world including Brazil to study capoiera with Bale Folclorico.

Kathryn Elsesser After a snowboarding related back injury, Kathryn turned to both IM=X® Pilates and Yoga to help with her recovery.  As a result, Kathryn strongly believes in the benefits of IM=X® Pilates to prevent as well as aid in the recovery of physical injuries and hopes to encourage others as an IM=X® instructor.  Kathryn is also a professional photographer and an outdoor guru with a passion for running, hiking and cross country skiing.

Mandy Wilson A natural-born athlete, Mandy is an avid marathoner and a former competitive swimmer.  Her drive for competition and her passion for fitness led her to the completion of a physical education degree and a multitude of group exercise certifications including spinning. Mandy is also an AFAA certified group exercise instructor and NASM certified personal trainer.

Valerie Aita Valerie has been with IM=X® Pilates since January 2008 originating in the Helena, Montana studio.   During that time she completed three certifications and is currently working toward additional advanced certifications. Valerie began practicing pilates as a dancer and trained extensively in ballet, contemporary dance and traditional pilates for over 15 years. In her spare time, Valerie enjoys both quilting and sewing.

Eva Marcotrigiano As a certified Spinning® and Schwinn Nautilus Cycling instructor, Eva has years of experience teaching all age groups and people of various athletic abilities. Upholding the law as a civil litigation attorney during the day, Eva also enjoys most outdoor activities including backpacking, hiking, camping, skiing as well as century cycle rides in her spare time.

Stefanie Sullivan An avid pilates lover for the past eight years and former nutritionist, Stefanie has various certifications in a multitude of disciplines including Yoga, IM=X® Pilates as well as Tai Chi.   In her spare time, you will find Stefanie on the mountain with her fiancé Mike as well as enjoying quality time with her friends, family and her little boxer, Lola.

Monica Ensign is passionate about fitness and stays in shape by walking, hiking and biking. She fell in love with IM=X Pilates after her first session and was won over by the program’s amazing health benefits. She is certified in the Basic Xercizer program and is completing her certification for the IM=X Basic Floor program. Monica plans to continue her training with the IM=X Advanced courses to accommodate a larger range of clientele. Monica received her Bachelor’s Degree in Fine Arts and has been an Interior Designer for more than 10 years. She helped design the Lake Oswego IM=X studio and lives in Lake Oswego.

IM=X Pilates founder, Elyse McNergney, studied and was certified by Romana Kryzanowska at The Pilates Studio in NYC before obtaining a certification in the Alexander Technique and two Masters Degrees (M.A. in Movement Science and an M.Ed. in Exercise Physiology at Columbia University). Impressed with the versatility and overall benefits of Pilates-style training, Elyse and her team of Exercise Physiologists created the IM=X IM=X® Pilates program to reflect the changes and research of today's fitness and rehabilitation markets.