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Co-Directors

Richard Seewald, PhD

Dr. Richard C. Seewald is a Principal Investigator at the National Centre for Audiology in London, Ontario, Canada and holds the Canada Research Chair in Childhood Hearing. He is also a Professor in the School of Communication Sciences and Disorders, Faculty of Health Sciences, University of Western Ontario. For the past 25 years, Dr. Seewald´s work has been focused on issues that pertain to the selection fitting of amplification in infants and young children. He is known internationally for his work in developing the Desired Sensation Level (DSL) Method for pediatric hearing instrument fitting. He has been honoured with several awards including the Career Award from the Canadian Academy of Audiology and the International Award of the American Academy of Audiology.

Susan Scollie, PhD

Dr. Susan Scollie is Principal Investigator at the National Centre for Audiology and an Assistant Professor at the University of Western Ontario in London, Ontario, Canada. Together with her collaborators, she developed the recently released DSL m[i/o] algorithm for hearing aid fitting. Her current research focuses on the evaluation of novel digital signal processing for high frequency hearing losses, the Speech Intelligibility Index, and sound localization in children with hearing losses.

Research Associates

Marlene Bagatto, AuD

Marlene Bagatto is an Audiologist at the National Centre for Audiology at the University of Western Ontario (UWO) in London, Ontario, Canada. She specializes in clinical research related to the Desired Sensation Level (DSL) Method for the prescription of hearing instruments. Dr. Bagatto has given numerous presentations and workshops related to the DSL Method as well as published several articles on the topic. In addition, Dr. Bagatto provides clinical services to infants involved in the Ontario Infant Hearing Program at the H.A. Leeper Speech and Hearing Clinic at UWO. She also serves as the Amplification Consultant and Instructor for the Ontario Ministry of Children and Youth Services' Infant Hearing Program. In 2007, Dr. Bagatto received the Young Innovators Award from the Government of Canada for her work on hearing aid fitting procedures for infants and young children.

Sheila Moodie, MClSc

Sheila Moodie is a Research Audiologist at The National Centre for Audiology, London, ON, Canada. She has spent much of her career assisting with the development of the Desired Sensation Level (DSL) Method and its transfer to clinicians, hearing aid and real-ear system manufacturers. She has assisted with the development of clinical protocols related to the DSL Method, including the use of the real-ear-to-coupler difference (RECD) measurement for predicting hearing aid output for infants and young children. She is also a 1st year PhD Candidate in the Health and Rehabilitation Sciences program within the University of Western Ontario's Faculty of Health Sciences.

Software Systems Specialist and Support

 Steve Beaulac, BESc, BSc

Steve Beaulac joined the DSL Team in 2000. He is the Lead Programmer for the DSL m[i/o] library and the Systems Specialist for the National Centre for Audiology. He is a graduate of the University of Western Ontario with degrees in Electrical Engineering and Computer Science.

Students and Research Assistants

Danielle Glista, MSc

Danielle Glista is a 2nd year PhD Candidate in the Health and Rehabilitation Sciences program within the University of Western Ontario's Faculty of Health Sciences.

 Jeff Cruckley, MSc

Jeff Cruckley is a 1st year PhD Candidate in the Health and Rehabilitation Sciences program within the University of Western Ontario's Faculty of Health Sciences.

 Andreas Seelisch, BSc

Andreas Seelisch is a 2nd year Masters student in the Health and Rehabilitation Sciences program within the University of Western Ontario's Faculty of Health Sciences.

Melissa Polenenko, BSc

Melissa Polenenko is continuing a work study position within the Child Amplification Laboratory at the University of Western Ontario.

Other NCA labs include

Anechoic Chamber | Assistive Devices | Child Amplification |
Child Hearing Research | Digital Signal Processing | Speech Communication | Electrophysiology | Hearing Research Clinic | Hearing Science  | Robert B. Johnston Aural Rehabilitations