Physiotherapy Team

Leigh de Groot, B.Sc. Kin., DPT., Registered Physiotherapist

Leigh began her yoga journey in 2010, while completing her Doctorate in Physical Therapy at D’Youville College. Leigh has been a practicing Physiotherapist for 11 years.

Leigh is excited to be blending her Physiotherapy training with her love of yoga and Pilates to offer clients Physiotherapy Reformer Pilates at Lost ‘n Found Yoga. Leigh provides a hands-on assessment, treatment plan, manual therapy as needed, essential oil support as needed, ultrasound treatment as needed, and partners with the Lost ‘n Found Yoga certified instructors to provide treatments using Reformer Pilates.

Leigh is excited to meet you and help you on your journey towards increased strength, mobility and well-being!

Karen Tausendfreund, PT, B.Sc. (PT), Registered Physiotherapist

Karen Tausendfreund graduated with a Bachelor of Science in Physiotherapy from the University of Toronto in 1979. A well-seasoned physiotherapist with over 40-years of experience and long time
practicing yogi, she is excited to join the passionate team at Lost and Found Yoga and Pilates to offer a comprehensive physiotherapy service that considers the whole person.

Having clinical and leadership experience across the spectrum of care (acute, long-term care, home care and private out-patient practice) she understands the complexity of health care system and the
challenges clients face in their recovery journey. To complement her strong interest in orthopaedics and spinal rehabilitation, she certified as a STOTT Pilates instructor in 2008, added Pelvic Health to her
repertoire of skills in 2009 and certified in Medical Acupuncture in 2013.

With a biopsychosocial lens, assessment and treatment is holistic and focused on finding the potential underlying drivers of the problem. Goal oriented treatment is collaborative, based on the current best practices. Where appropriate physiotherapy treatment sessions will include motor control relearning for the area of injury following the Pilates repertoire allowing clients to get back to what they love with greater confidence and self-awareness. In addition, various hands-on techniques, modalities for pain and mind body disciplines may be used to improve movement, pain management, restore function, and health.

Karen is a lifelong learner and believes that providing clients with knowledge on their condition not only reduces the threat value and fear but also puts them back into the driver’s seat to manage their own
health and wellness recovery. She believes in the resilience of the human body and spirit.

She lives in the beautiful rowing community of Port Dalhousie along with her husband and her 2 loveable dogs. With her dressage loving daughter now married and living in Switzerland, keeping fit and active is necessary if she wishes to enjoy her trips abroad in that mountainous country.

Matthew VanLeeuwen, M.Sc. PT, B.Sc. (Hon), Registered Physiotherapy Resident

Matthew is the newest Physiotherapy Resident to join our team at Lost’n Found! He is a current member of the College of Physiotherapists of Ontario and holds an Honours Bachelor of Science in Medical Sciences degree from Brock University. He obtained his Master’s in Physical Therapy at Western University in 2022.

Matthew was born and raised in the area and worked as a Head Lifeguard with the City of St. Catharines for multiple years before transitioning to pursue Physiotherapy. Throughout his educational journey, Matthew has had the opportunity to work with a wide variety of patient populations. He has volunteered extensively with athletes and sports teams at the Waterloo Sports Medicine Clinic, Woodstock Sports Medicine Clinic, and Brock University Don Lorimer Athletic Therapy Clinic. He has also worked with neurological patients at the renowned London Parkwood Institute in their Inpatient Acquired Brain Injury Program and Brock-Niagara Centre for Health & Well-Being in their Heart Strong and Power Cord Exercise Programs.

Matthew aims to inspire and assist individuals to maintain a healthy and active lifestyle. He does so by promoting, resorting, and maintaining physical well-being through evidence-based interventions such as pain neuroscience education, exercise prescription, and manual therapy. Matthew is committed to providing attentive, individualized, patient-focused care that ensures each client understands their injury and is an active contributor in their recovery.

Matthew is passionate about continuing to further his education and expand his practical skills in advanced manual therapy, dry needling, acupuncture, soft tissue release, and vestibular & concussion rehabilitation. He also stays up-to-date and well-informed on continuing changes to the profession by reading valid and reliable scientific literature.

Outside of the clinic, Matthew enjoys staying active through running, yoga, and strength training. Matthew believes in being a hybrid athlete who can excel simultaneously in all domains of exercise and physical activity. However, on the weekend you will see him glued to the tv screen cheering on his favorite football and soccer teams. GO DOLPHINS & MAN CITY!!  Matthew is an avid traveller who loves going everywhere from beaches to mountains, but will also make time to watch his favourite tv shows: Game of Thrones, Peaky Blinders, and The Office. He also loves food (especially Indian and Asian cuisine) and spending quality time with his family and friends. Some of his favourite physiotherapy quotes he likes to share with his patients are, “Do something today your future self will thank you for” and “A doctor saves lives, a physiotherapist makes that life worth living”.

Haley Bucknall, Physiotherapy Assistant

Haley has always been an active person, from soccer to dance all the way to gymnastics. Haley has always found an outlet in working out or doing some kind of sport.

Haley has trained with Allison Kares at Movement Unlimited in her Comprehensive Pilates Instructor program. She is also a Yoga Instructor and is passionate about helping others find a healthier body and mind.

Dawn Byers, Physiotherapy Assistant

Photo and bio coming soon!

Jesslyn Froese, Physiotherapy Assistant

Photo and bio coming soon!

Diana Harpwood, Physiotherapy Assistant

Diana began her journey with yoga and pilates in 2003 while completing a degree in Contemporary Dance at York University. Yoga and pilates helped her build strength and balance in her body and also helped her become more mindful and aware of her breath and the connection it has with her movements.

Diana’s qualifications include a Bachelor of Fine Arts in Dance from York University, CDTA Nationally certified Jazz/Ballet/Modern Dance teacher, a 200 hour Yoga Teacher Training from Yoga By Sarah, and a 475 hour Comprehensive Pilates Certification.

Diana wants people to feel better in their own bodies and her pilates certification has helped her take her teaching to the next level. She not only teaches a variety of group classes and private lessons, but also works as a Physiotherapy Assistant to help individuals in a rehabilitation setting.

Stephanie Niessen, Physiotherapy Assistnat

Stephanie has a passion both for Yoga and Pilates. Steph strongly believes that the practice of both Yoga and Pilates is extremely beneficial for mental, physical, emotionally and spiritual health.

She was first introduced to Pilates in her early teens and found that it kept her toned, flexible and complimented her cardio exercises such as running and walking. Later, when she became a Personal Support Worker, Pilates supported her in protecting her back from heavy lifting by using proper form and alignment as well as building the strength necessary to protect her back.

At the beginning of 2020, she completed her 200 hour Yoga Teacher Training with Holy Yoga, a Christian faith-based YTT program that allowed her to incorporate her faith with her yoga practice. In the fall of 2021 she completed her 475 hour training in Comprehensive Pilates.

In her spare time she enjoys hiking and biking and traveling. Fun Fact: she grew up in Botswana, Africa

Frances Notarianni, Physiotherapy Assistant

Bio coming soon!

Lindsay Saxon, Physiotherapy Assistant

Bio coming soon!

Heather Wallace, Physiotherapy Assistant

Heather is a Nationally Certified Pilates Teacher, a Personal Training Specialist and a yoga teacher. She comes from a Recreational Therapy background and enjoys blending all of her knowledge together to help clients reach their goals.

Heather fell in love with mat pilates after a surgery left her feeling estranged in her own body. Years later she discovered the reformer and it helped her dive deeper into her Pilates practice. The reformer encouraged a feeling a strength she never knew she had.

Whether Heather is helping you to rehabilitate, prevent injury, or she’s kicking your butt – she’ll keep motivating you to find your own inner strength.

Her goal is to help others see their potential, and never to shy away from who they are. She loves to share this passion with others.