Our experienced staff of Professional Engineers and Fire Protection Engineering Technologists provide a wide range of skills to meet the needs of our clients.
Management Team
Leslie Sims P.Eng.
PrincipalLeslie Sims is a Professional Engineer and founding principal ARENCON inc. She has extensive experience as a building code and fire safety consultant, bringing unique solutions to complex buildings and design, as well as assessment of hazardous operations.
Shaun Kelly P.Eng., CEng MIEI
PrincipalShaun Kelly is a Professional Engineer versatile in fire and life safety specialising in code reviews, fire protection system design, engineered solutions, and project management of fire safety systems installations for multi-facility clients.
Michael Zukov P.Eng., Consulting Engineer
PrincipalMichael Zukov is a Professional Engineer and achieved the designation Consulting Engineer with over a decade of experience in fire protection. His experience includes code assessments, fire alarm & mass notification systems design, sprinkler & standpipe system design, project management, and security consulting.
Alexander Yarmoluk FPET, C.Tech.
Associate PrincipalAlexander Yarmoluk is a Fire Protection Engineering Technologist specializing in fire protection system design, including project and client management. Project experience includes system design, review, commissioning, develop alternative solutions to prescriptive Code requirements, and perform fire & life safety assessments.
Walter Miller P.Eng. FEC, Consulting Engineer
Founding Principal, RetiredWalter Miller is ARENCON inc.’s founding president and is now retired. Walter is a Professional Engineer and a seasoned consultant specialising in the area of fire safety systems and project management.
Engineering & Consulting Team

James Cleary P.Eng.
Jim Cleary is a Professional Engineer with extensive experience working with fire codes and assessing hazardous processes and operations. His chemical engineering background is an asset in understanding potential fire and explosion hazards posed by industrial operations.

Zhendong (Mark) He FPET, C.E.T.
Mark He is a Fire Protection Engineering Technologist specializing in fire protection system design. His project experience includes fire alarm, VESDA, sprinkler/standpipe/fire pump system designs and associated calculations, project management, site surveys and commissioning. Mark is a Certified Engineering Technologist with the Ontario Association of Certified Engineering Technicians and Technologists (OACETT).

Ian Li FPET, C.E.T.
Ian Li is a Fire Protection Engineering Technologist specialising in fire suppression system design and review. His project experience includes sprinkler/standpipe/fire pump design, fire alarm design, site review audits, and time-based egress analysis. Ian is a Certified Engineering Technologist with the Ontario Association of Certified Engineering Technicians and Technologists (OACETT).

Magdalena McCarty P.Eng.
Magdalena McCarty is a Professional Engineer and versatile fire and life safety consultant with a background in chemical engineering. Her experience includes code reviews and assessments of hazardous processes and operations.

Matthew McDonald FPET, C.E.T.
Matthew McDonald is a Fire Protection Engineering Technologist specializing in building and fire code assessments and analysis. His project experience includes preparation of code reports/assessments, and alternative solutions. Matthew is a Certified Engineering Technologist with OACETT, and serves on the Executive Committee for the Society of Fire Protection Engineers, Southern Ontario Chapter.

Anna Skoromnova M.Eng.
Anna Skoromnova is a fire protection consultant with a background in mechanical engineering. She specializes in fire suppression system design and review. Anna`s project experience includes sprinkler/standpipe/fire pump designs, analysis and associated hydraulic calculations.

LeeAnn Xerri
LeeAnn Xerri is a project assistant and intermediate designer. Her experience includes project management, fire safety plan development, fire evacuation planning, as well as working with municipalities to process building permit applications.
Administrative & Support Staff

Pamela McComiskey
Pamela McComiskey is an Administrative Assistant with experience in developing and maintaining filing systems, providing clerical support, data entry, resolving administrative problems, and preparing internal documents.