Developing technology that betters our environment

Meet Our Leadership Team

Meet the experienced team leading the way in our ongoing growth and operations.

Audrey Mascarenhas, President & Chief Executive Officer

Audrey has worked in energy for over 40 years with Gulf Canada Resources Ltd. and Questor Technology Inc. She holds a BSc degree in Chemical Engineering from the University of Toronto and a M.Pet Eng from the University of Calgary. She is a fellow of the Canadian Academy of Engineers and is inducted into the University of Toronto Engineering Hall of Distinction. Audrey served as a distinguished lecturer with the Society of Petroleum Engineers (SPE), received the Canadian Sustainability and Stewardship in the Oil and Gas Industry Award, and serves as an Officer for the SPE Methane Emissions technical section. Audrey was the recipient of the Ernst & Young Entrepreneur of the Year 2011 Prairies Award for Cleantech and Environmental Services and received a national citation for Values-Based Innovation. She was chosen by Business in Calgary as a Legacy Leader in 2022. Audrey is on the Board of the TMX.

Ann-Marie Osinski, CPA, CA, Chief Financial Officer

Ms. Osinski possesses a proven track record of quality financial reporting and internal controls, strategic risk management, successful capital raises, financial due diligence, regulatory compliance and effective corporate governance.  She has more than thirty years of financial and strategic leadership experience working with publicly listed companies in Canada and Internationally.

Prior to joining Questor, Ann-Marie was the Senior Financial Consultant for a TSX Venture Exchange Company and an Independent Board member for the Alberta Electric System Operator. She spent 27 years with PricewaterhouseCoopers LLP in the Audit and Risk Assurances practices. During her thirteen years as a partner at PwC, she held a variety of market facing leadership roles including Sustainability leader, where she was responsible for growing the business with respect to sustainability reporting and greenhouse gas verification.

Environmental, Social, Governance

Clean technology – good for the environment and our communities

We are a cleantech company in all senses. We always work to create technology that betters our environment and makes the air we breathe cleaner for our communities.

Health and safety is of upmost importance

The health and safety of our employees and customers are paramount to Questor. We show this through our ISO certification but also through our internal health and safety policies.

Lower emissions to meet and exceed regulations

We enable our customers to lower toxic emissions and meet or exceed environmental regulations in their industry. We always strive for the best, not the minimum, standard.

Independent board of directors

Our board of directors is independent and composed of industry leaders to ensure that we continue to maintain the highest finance and accounting practices and standards.


Health + Safety

Questor is committed to conducting business in a manner that delivers leading environmental, health, and safety performance. We are invested in corporate citizenship, social responsibility, and sustainability.

We provide products and services that are safe and environmentally sound throughout their life cycles and conduct our operations in an environmentally responsible manner.

The health and safety of our employees come first— always. Our work environments and policies are designed to meet or exceed any legal requirement, prevent injury and illness, and prioritize employee well-being. We require our suppliers to meet these standards as well

Workplace health and safety is integrated into our business planning, decision-making, performance tracking, and governance processes to ensure we achieve the highest standard.

Questor employees are committed to understanding and supporting our environmental, health, and safety policies and actively participate in programs to ensure our goals are achieved.

The health and safety of our community at large are as important to us as the health and safety of our immediate team. We regularly work with employees, suppliers, partners, customers, and governmental, non-governmental, and community organizations to protect and enhance health, safety, and the environment.