Heidi MacEwen

Heidi MacEwen

Heidi is the owner of Total Body Yoga and Pilates. She offers a wide range of classes at her studio, and invites you to share her passion for fitness!

Heidi’s qualifications include:

  • Group Exercise Instructor through the Aerobics and Fitness Associates of America (AFAA)
  • Certified NASM Personal Trainer
  • Graduate of Mama Nirvana’s New Yoga 200 hour teacher training program
  • Divine Sleep Yoga Nidra teacher training progam by Jennifer Reis, held at Kripalu
  • Graduate of Embodyoga® 300 hour teacher training program
  • Certified instructor for the Balletone Sole Synthesis program
  • Master Balletone Ambassador (MBA) status as a Sole Synthesis Instructor
  • Certified instructor (MBA) status in Balletone Standing Flow
  • Certified BARRE above (TM) Instructor
  • Certified BOSU Instructor
  • Certified PiYO Live Instructor
  • Team Beachbody Health & Wellness Coach



Abby Dolgas

Abby has practiced yoga for five years. Her practice has helped her grow stronger and more flexible both on and off the yoga mat. She completed her 200 hour yoga certification, as well as YOGA ed.’s children’s yoga training at Kripalu. Abby’s classes place a special emphasis on listening to the wisdom of your own body, breath, and inner voice to find the right combination of exertion, release, and restoration for you. She seeks to help others thrive in life by nurturing their body and mind with yoga and hopes that you step off the mat feeling refreshed, nourished, and balanced.

Abby also shares her passion for wellness as a personal health and fitness coach for Team Beachbody.

Abby has her Early Childhood Teaching License (PreK- Grade 2) for Children with and without disabilities and a Reading Specialist License (Grades K-12). She currently teaches Kindergarten.


Michaela Driscoll

Michaela has practiced yoga for four years. She has been an avid exerciser for many years. She completed her 200 hour yoga certification at Mama Nirvana’s teacher training in 2021 of traditional Hatha Yoga. Michaela began yoga as a way to increase her flexibility in comparison to her traditional strength and conditioning training. She found a passion for yoga and wanted to deepen her knowledge.

Michaela offers a strong, energetic class focusing on strength and movement, yet inclusive for all abilities and levels. Expect a sequence of yoga postures designed to align, strengthen, stretch, and balance the body, mind and spirit. She also works for the Westfield school systems.

Lisa Helpas

Lisa Helpa

Lisa is a Group Exercise Instructor certified through the Aerobics and Fitness Association of America (AFAA). Lisa is a certified CIZE Live and Barre Above instructor. She has also completed a number of BOSU certification classes and is a Team Beachbody Coach.

Lisa enjoys bringing her knowledge of health and wellness into all aspects of her life including being a Certified Track and Field Official and working full time in the Insurance Industry.


Annie Stackhouse

For more than 35 years, Annie Stackhouse has been teaching people how to move, dance, and align their bodies in a way that helps them to achieve better health. Creator of the Stackhouse Technique™ – Annie utilizes yoga, Pilates, modern dance, functional anatomy and fun to help people achieve better posture alignment, freedom from chronic pain, and an improved sense of well-being!

As a Movement Educator, Annie embodies a rich history of training, practice, and research around movement and posture alignment and how proper attention to both can optimize health.


Jacqui Mastriani

Jacqui brings a warm smile and positive attitude as a Personal Trainer and Fitness Instructor with over 25 years experience. Her approach is a fun, balanced and a safe workout that helps people consistently improve themselves through a variety of exercise components. Every class provides exercises for improving strength, endurance, balance, and flexibility for all major muscles and muscle tendon groups.

She provides comprehensive instructions, modifications, and motivation for ALL participants to be successful. She is certified in: Personal Training, LesMills BodyPump, BodyStep, PIYO, Mossa Group Power & Group Core, Barre Above and Tabata.


Christina Mykytiuk

Christina discovered PiYo Live classes in early 2016 at her local recreational facility in Arizona. As a summer resident of South Hadley she learned about our studio and our PiYo Live classes from our website. In March 2018 she became a certified PiYo Live instructor.

Christina is an avid runner and has completed one marathon, six half marathons and several shorter races. In addition to running she and her husband enjoy hiking, biking, cooking and travel.

Christina grew up in the Pacific Northwest and is a graduate of the University of Washington. Prior to joining TBYP she was airfreight manager at a Swiss logistics company for 22 years. Christina looks forward to sharing her “Passion for PiYo” with you.


Celeste Surreira

After relocating back home to Massachusetts from Atlanta, GA, Celeste Surreira began her personal health and wellness journey in early 2016 and soon after attended her very first yoga class at TBYP.

As a healthcare provider for many years, she has always been passionate about promoting wellness and prevention for others. Now it was time, to practice the same and commit to a healthier way of living. Over the next several months, Celeste committed to eating clean and attending more and different classes at TBYP from yoga, to pilates, total body circuits and her favorite PiYo! By fall, she’d lost a total of 75 lbs and felt leaner and stronger. Since then, Celeste has continued to maintain her weight and increase her fitness and tone.

Celeste became a certified Barre instructor in 2017 and most recently completed her PiYo instructor certification in May of 2018.