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Our Team

Michael Keefer
MSc, PAg

Michael is the founder of Keefer Haz Mat Services and is a well-recognized environmental professional with a range of expertise including contaminated sites, reclamation and environmental assessments. 

Nicholas Mayer
Project Manager, Hazardous Materials Consultant

Nicholas is a hazmat consultant with a background in geology and hazardous materials. He has field experience ranging from remote camp geology, including rock soil and water sampling, safety training on barges, helicopters, bush planes and ice road driving, and a wide variety of surveying experience.

Nicholas is a certified AHERA building inspector (CABI-173362) and has experience surveying for and consulting with hazardous materials. Nicholas also has experience working from heights and in confined spaces.

Rob Profile Pic.jpg
HSE Manager
AHERA Building Inspector
Robert Lester 

Robert is a hazardous materials consultant and our field lead covering the East Kootenay area. Robert is an AHERA certified building inspector (CABI-21-094) and is currently in school for Occupational Health and Safety, working towards a Certified Registered Safety Technician designation. 

Robert has a background in bicycle mechanics and when he's not working you're likely to find him outside exploring the bike trails, camping and skiing and enjoying all the beautiful scenery our area has to offer.

Geoffrey Richards
Lab Manager 

Geoffrey is our East Kootenay Lab Manager. Geoffrey is NIOSH 582 Equivalency certified in compliance with OSHA. 


He comes from a head chef background, and had numerous roles successfully leading teams in all areas of the kitchen. In his spare time, Geoffrey can be found exploring the local area, and enjoys running, biking, skiing, sledding, and camping.

Richard Hilton
President, Senior Industrial Hygienist 


Richard is a highly qualified and experienced Health, Safety, and Environment professional with a strong track record of establishing and implementing outstanding Health and Safety programs for large, complex organizations with multiple locations and numerous employees. Richard has extensive experience and knowledge with fall protection, confined space, and respirator equipment checks. His background also includes reducing worker exposure to hazardous materials, hazard and risk assessments, and writing exposure control plans. He enjoys teaching various courses such as mobile equipment operations, confined space entry, fall protection, transportation of dangerous goods (TDG), and workplace hazardous material information system (WHMIS).

Richard holds three designations in safety; CRSP (Canadian Registered Safety Professional), NCSO (National Construction Safety Officer), and MSO (Manufacturing Safety Officer - not practicing).  When he isn't working passionately to improve worker health and safety, he can be found outdoors enjoying numerous activities such as skiing, mountain biking, swimming, and camping.

Roy Clough
Senior Hygienist 

Roy is a certified hygienist with more than 40 years of experience working with the health and safety of workplaces.  Roy has helped develop and update Codes of Practice for occupational industrial hygiene, developed and presented countless training courses on different occupational hygiene topics, presented seminars on report findings to plant workers, mentored junior hygienists and reviewed industrial hygiene reports.

Field Technician
Pollen Kemp

Pollen is a field technician for the East Kootenay Region. Pollen is certified as a Hazardous Materials Building Inspector (HMBI) and conducts a variety of sampling and monitoring for KHM.


In his spare time, Pollen is an avid freestyle skier and enjoys exploring the mountains of BC!

Maryn Roach 
Office Manager 

Maryn is our office and social media manager. Maryn also manages the office of our sister company, Keefer Ecological Services. Her background is in medical transcription and administration.

When she's not in the office, Maryn also instructs fitness classes at a local studio. You can usually find her running in the trails with her dogs or out on her bike(s).

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