Our Team

Meet the Criterium-Jansen Engineers

Our Criterium-Jansen team is dedicated to enhancing peoples’ lives through improved understanding and performance of the buildings in which they work and live.

Committed to being the leading provider of investigative and diagnostic engineering services for commercial, residential, and condo buildings, our enthusiastic and talented team looks forward to working with you.

Get to know our engineering and management teams below:

Henry Jansen
President, Owner, Professional Engineer

Henry J. Jansen, P.Eng., ACCI is president and owner of Criterium-Jansen Engineers. Henry started his office in 2007.

“There are 2 things that people will always need: food and shelter. Criterium-Jansen Engineers is in the shelter business.”

Henry graduated from McMaster University in 1992 and earned his P.Eng. license in 1994. He has always been a design engineer helping to solve problems. Engineering is applied science. Engineers use theory and then apply practical knowledge to develop solutions. As his career moved to business ownership, he partnered with Criterium Engineers as one of the building engineering leaders in North America.

Henry loves to help clients with their building needs and has developed strong industry leaders to meet the demands of our residential, commercial, and condominium clients. Criterium-Jansen Engineers is a family team.

Henry is currently on the Board of Directors for CCI-Toronto and Greater Dufferin Home Builders Association, is a proud member of the ACMO Associates Committee and Guelph and District Home Builders Association, and is a contributor to the PEO Performance Audit and Reserve Fund Committee. Henry also chairs the Annual Industry Luncheon for Greater Dufferin.

In his spare time, Henry enjoys spending time with family, renovating his home, and camping.

Marilyn Jansen
Office Manager

Marilyn Jansen has been with Criterium-Jansen Engineers since it was founded in 2007.  As the Office Manager, Marilyn organizes and coordinates the office operations and procedures in order to ensure organizational effectiveness and efficiency.

Marilyn takes care of finances and accounting, marketing, arranges for networking events/conferences, explores new venues for advertising the firm’s services and expertise, ensures proper organization and communication, and ensures that the overall office environment is running smoothly.

“Criterium-Jansen Engineers is a like a family – we work together, we support each other, we laugh together!  We are a group of people who want to work and partner with our clients to help them answer the tough questions and make sound decisions.”

Marilyn likes to read, go camping, and bake (not in that order)!

Suja John
Professional Engineer

Suja John, P.Eng.  has been a part of the Criterium – Jansen Engineers team for 2 years. Being a Structural Engineer allows her to fully focus on her specialty as she assists clients with multiple structural queries in the buildings she inspects.

Suja loves being part of the team that makes up Criterium – Jansen Engineers where we are able to bounce ideas off each other and work together to meet deadlines.  She really enjoys the variety of work as it challenges her.

Fun thing to note about Suja is that she lived and worked in Singapore and the Middle East before making Canada home several years ago.  Once in Canada, she worked with another consultancy and in the steel industry before joining Criterium – Jansen Engineers.

Allan Au-Duong
Professional Engineer

Allan Au-Duong has been with Criterium-Jansen Engineers for over 5 years. He began as a co-op student and returned full-time after his schooling at the University of Toronto.

Allan specializes in building inspections: Home Inspections, PCA’s and ESA’s. In addition, he focuses on Reserve Fund Studies and Performance Audits for Condominium Buildings. Allan is a licensed Professional Engineer in Ontario.

Allan is also involved with the Condominium industry. He is part of ACMO (Association of Condominium Managers) and CCI-Toronto (Canadian Condominium Institute). He is part of the ACMO Social Committee, which works on bringing the professional members of the industry together outside of the work environment.

“Criterium-Jansen Engineers is a tight knit company that I’ve had the joy being a part of and helping us grow over the years.” 

Out of the office, Allan likes to spend his free time playing video games: Fortnite, League of Legends, Hearthstone and Counter-Strike.

Michael Aresta

Michael (Mike) Aresta has been with Criterium-Jansen Engineers for over two years. His specialty is in structural design – focusing on specialized engineering and construction techniques to provide outstanding solutions and projects. Mike has the ability to quickly address and resolve issues and keep the project moving.

Mike has always had a fascination for buildings, and Criterium-Jansen Engineers is a company whose specialty is buildings. As a result, Criterium-Jansen Engineers has allowed him to pursue his passion and given him a great opportunity to start his engineering career on the right foot!

Now here’s something not everyone can do – Mike can bench-press 260 pounds!! Hmmm…how many 2×4’s is that?

Tammy Hoving
Administrative Assistant

Tammy joined Criterium-Jansen Engineers in August 2016 as the administrative assistant support for the engineers and clients. A variety of tasks include communicating with the clients, recording job information, filing, editing and printing projects for clients.

She loves working at Criterium-Jansen Engineers because of the fun, friendly, family-like atmosphere.

Some fun facts about her is in her spare time she likes playing Candy Crush and Soda Crush and she loves going to the theatre to watch movies with her kids (especially Marvel movies!).

Contact Criterium-Jansen

To learn more about the Criterium-Jansen team, please visit our Qualifications page or contact us today at 1-888-940-0571.