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.


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.