Our Team

Our consultants are Canadian leaders in managing the risks from hazardous materials. All of us – engineers, occupational hygienists, and safety specialists – are accredited and licensed, recognized and experienced experts in our fields. By choosing to work with us, you are assured that you are working with the best.

We take your company beyond compliance.

KRMC Team of Specialists

Liz Krivonosov, BASc (Chem Eng), DIH, PEng, CIH, ROH, RBSO

Liz is a licensed Professional Engineer in Ontario and in British Columbia, a Certified Industrial Hygienist and a Registered Occupational Hygienist. In addition, she is a Registered Biosafety Officer with the Canadian Biological Safety Association.

Prior to forming her own company, Liz was the Radiation/Biological/Chemical Safety Officer at Ryerson University in Toronto, Canada where she developed and implemented several hazardous materials programs for biosafety, radiation safety, laser and x-ray safety. Liz also worked at the University of Toronto for almost 20 years, where she developed the successful radioactive delay and decay program and the extensive hazardous chemical waste management programs. She was also team leader for their chemical spill response team and has experience in hundreds of emergency spill cleanups. She has been an advisor and course instructor to the Toronto Fire Department Hazardous Materials Team.

In 2008, Liz launched her own hazardous materials risk management company offering specialized technical consulting services to academic and health care institutions, museums, government bodies and industry.  She is an internationally recognized featured speaker at conferences.  In 2018, the American Industrial Hygiene Association (AIHA) selected Liz as a Distinguished Lecturer on laser safety.

Joe Cortese, BSc (Physics), CRPA(R)

Radiation Safety Specialist
In addition to being the Radiation Safety Specialist at KRMC, Joe is also the Radiation Safety Officer and instructor at BCIT (British Columbia Institute of Technology). He is a highly sought-after radiation safety educator and has successfully developed and implemented a series of RSO training courses with outstanding feedback. Prior to his time at BCIT Joe worked in the Medical Physics department of the BC Cancer Agency in assisting in Radiation Safety duties and implementing the quality control programs for Varian and Elekta Linear Accelerators.

Joe received his BSc. (in Physics) from the University of British Columbia. He also earned his CRPA (R) designation as a Registered Radiation Safety Professional from the Canadian Radiation Protection Association.

Bryce Gillman, BSc (Kinesiology), RTNM, CRPA(R)

Radiation Safety Specialist
Bryce has spent several years working in nuclear medicine, dividing his time between many different hospitals including positron emission tomography (PET) and computed tomography (CT) departments.   In addition, he is also  an instructor for the Nuclear Medicine program at BCIT (British Columbia Institute of Technology). He has experience in the management and safe handling practices of many types of ionizing radiation. In addition, he is the assistant Laser Safety Officer at BCIT and has audited and  developed laser programs for industry, universities and hospitals.  Bryce is the lead laser safety instructor for KRMC and has conducted many Laser Safety Officer training courses for all sectors.

Bryce achieved his CRPA (R) designation from the Canadian Radiation Protection Association.  Before becoming a Registered Technologist in Nuclear Medicine (RTNM), Bryce completed his Bachelor of Science (Kinesiology) from Simon Fraser University.  When Bryce is not in the classroom he can often be found hiking the local mountains of Vancouver.

Paul Tocher, BSc (Honours), MHSc, CIH, ROH, CRSP, CSP, RBP, SM (NRCM)

Occupational Hygienist and Safety Specialist
Paul is an industrial hygienist and safety professional with 24 years of experience in the health and safety field.   Until recently he was responsible for the industrial hygiene, radiation safety and biosafety programs at the largest biotechnology company in Canada.  He is trained as a certified member for Joint Health and Safety Committees in the province of Ontario as well as having extensive training in confined space entry, emergency management and asbestos control. He is an internal health and safety auditor and has undertaken health and safety and biosafety  audits in North and South America and Europe. He has also been a part of annual ISO 14001 and OHSAS 18001 audits.  He was recently appointed an Adjunct Lecturer in the Occupational and Environmental Health program at the Dalla Lana School of Public Health at the University of Toronto.

Paul earned his BSc (Honours) from Queen’s University and his MHSc from University of Toronto.  Paul’s many professional credentials include being a certified industrial hygienist (CIH), a Registered Occupational Hygienist (ROH), a Certified Registered Safety Professional (CRSP) and also a Certified Safety Professional (CSP). Paul is based in Toronto.

Nancy Wilk, HBSc, MHSC (Occupational Hygiene), CIH

Senior Consultant – Occupational Hygiene and OHS
She has extensive experience in the comprehensive practice of occupational hygiene and Occupational Health and Safety since 1986. Nancy is a Certified Industrial Hygienist through the American Board of Industrial Hygiene (ABIH).  She is a Director on the ACGIH (American Conference of Governmental Industrial Hygienists) Board of Directors (2019 to 2021), the Past-President and Past Director on the Board of OHAO (Occupational Hygiene Association of Ontario) and a member of AIHA (American Industrial Hygiene Association).

Nancy was awarded the Award of Excellence in Occupational Hygiene (the Hugh Nelson Award) in 2020 from the Occupational Hygiene Association of Ontario.  This peer nominated award is the highest honour awarded to an Occupational Hygienist in Ontario.

Nancy is very familiar with workplace legislation, standards and codes of practice related to occupational health and safety across Canada. Ms. Wilk was the Global Vice President of Health, Safety, Security and Environment from 2012 to 2017 for Golder Associates Corporation.  Ms. Wilk was a Senior Practice Leader in Industrial Hygiene and EHS for Golder Associates Ltd. from 2009 to 2012 and 2018 to August 2019. She was employed for ten years with the Ontario Ministry of Labour as a Provincial Offences Officer and Occupational Hygiene Consultant.   Nancy also led McMaster University’s EHS and risk management services for several years.

Nancy has worked with labour, management, members of public as well as enforcement agencies to address a broad spectrum of occupational health and safety issues and facilitate resolutions.  She has acted in a litigation support role for employers and government bodies.

Nancy has extensive training and health and safety audit experience nationally and internationally in a variety of sectors including mining, manufacturing, construction, health care, education, municipal, retail, pharmaceutical, food and power generation. Nancy has audited large complex sites and organizations and conducted investigations on behalf of Public Class A North American railroads, airlines, national defence, aerospace manufacturers, and organizations in the nuclear industry.  Nancy has extensive experience in conducting and overseeing Worker Exposure Assessment for chemical, biological, and physical agents, Asbestos and Hazardous Materials Management, OHS Management System development and auditing, Litigation Support, Indoor Air Quality, Legionella Prevention and Control, Mould Assessment and Control, Health and Safety Training and Construction Health and Safety.

Nancy holds a Master of Health Science degree specializing in Occupational Hygiene from the Faculty of Medicine at the University of Toronto.  Nancy is based in Hamilton, ON.

Patricia Yu, BSc, CIH, ROH

Senior Occupational Hygiene Consultant 
Pat has over 25 years of experience in the occupational health and safety field ranging from hands- on experience in occupational hygiene assessment and testing, audits, development and implementation of health and safety policies and programs to hazardous materials spills response.   She has extensive experience in conducting occupational hygiene (noise, indoor air quality, mould/asbestos, dust sampling, volatile organic compounds, silica, radiation etc.) testing. Responding to critical injuries, work refusals and hazmat incidents as a senior health and safety officer.  Developed WHMIS labels and safety data sheets for over fifty chemical suppliers and distributors.

She has worked in both the private and public sector providing consultation on health and safety legislation compliance requirements. She had over 15 years of senior health and safety management experience in a large (over 7000 employees) public institution and had also worked as a health and safety consultant serving clients in the health care sector. She has experience working as a Radiation Safety Officer and as a Biosafety Officer. Patricia has thorough knowledge of Occupational Health and Safety Act and related regulations and the Workplace Safety and Insurance Act.

Pat earned her BSc from the University of Toronto.  She is a Certified Industrial hygienist (CIH), and a Registered Occupational Hygienist (ROH).  Pat is based in Toronto.

Supporting Consultants

Sandu Sonoc, PhD, (Nuclear Physics), PEng, CRPA(R), CLSO

Senior Consultant – Laser Safety Specialist
Sandu is a nationally recognized laser safety specialist and trainer in Canada. He is one of only a handful of Canadians to be accepted by the American Board of Laser Safety as a Certified Laser Safety Officer. He is a frequent speaker at laser safety conferences and has authored several chapters in the popular CLSO’s Best Practices in Laser Safety book, published by the Laser Institute of America. He is past President of the Canadian Radiation Protection Association and has also became one of the initial successful candidates of a Registered Radiation Safety Professional designation (CRPA(R)) from the Association.

Sandu received his PhD in Nuclear Physics from the University of Bucharest and is a Professional Engineer in Ontario. Sandu is based in Toronto.