Dr. Marina Polonsky graduated from the University of Toronto, Canada in 1999, with the Dean’s Gold Medal of Achievement and maintains a private general practice in Ottawa, Canada, with focus on multi-disciplinary treatment utilizing lasers of different wavelengths.  

Dr. Polonsky holds a Mastership with WCLI (World Clinical Laser Institute), Master of Science in Lasers in Dentistry degree from RWTH University in Aachen, Germany. She is a recipient of Mastership Certificate with ALD (Academy of Laser Dentistry), is a recognized member of the ALD Speaker Bureau and was recently elected to the ALD Executive as a secretary for 2026. Dr. Polonsky is a founder of the Canadian Dental Laser Institute (CDLI). CDLI is ALD affiliated international study club. Her latest appointment is as a Executive Director for WCLI. 

Dr. Polonsky is actively involved in the educational aspect of dental laser technology by teaching laser safety courses, Diode and Erbium certification courses, as well as lecturing world-wide on laser-assisted dentistry. She is a faculty member and a Clinical Mentor for Biolase Technologies Inc. and a KOL for Multi Radiance Medical (MRM). Dr. Polonsky is the author of multiple scientific papers and case reports on the uses of lasers in dentistry, she is the chief editor for JLAD (Journal of Laser-Assisted Dentistry) and a peer-reviewer for LIDS (Lasers in Dental Science), BMC and Odontology and other publications by Springer. She is the Editor of Laser Dentistry and General Dentistry issues of the Oral Health Journal and is a member of the Executive Committee of the Oral Health Journal and Board of Directors of ALD.