Learn About Our Team and Culture

We are a team of dedicated professionals, ready to exceed your every expectation.

Corporate Leadership Team:

Audrey Mascarenhas, M. Eng

Audrey Mascarenhas, M. Eng

President & CEO

Ms. Audrey Mascarenhas the President and CEO of Questor Technology Inc. Audrey joined Questor in 1999. Prior to this, Audrey worked in the oil and gas industry during a 17-year tenure with Gulf Canada Resources Ltd., presently Conoco-Phillips. She is a graduate of the University of Toronto in Chemical Engineering and holds a Masters Degree in Petroleum Engineering from the University of Calgary.

Lori Wright

Executive Assistant to Audrey Mascarenhas

Lori serves as Executive Assistant to Audrey Mascarenhas, President & CEO of Questor.

John Sutherland, P. Eng

Chief Operating Officer (COO)

Mr. Sutherland is a mechanical engineer with over 25 years of experience gained at multi-national corporations, the Alberta Energy Regulator and as a consulting engineer on various projects in the area of oil and natural gas exploration and production. He has designed and built facilities with a deep focus on all aspects of environment, health and safety in the process.

Dan Zivkusic, CPA, CMA

Chief Financial Officer

Mr. Zivkusic CPA, CMA is a multi-disciplined professional with over 20 years of oil and gas industry experience. Most recently he served as CFO for Reform Energy Services Corp. a private international company specializing in underbalanced drilling, managed pressure drilling and production testing/flowback business.

Dan obtained his Certified Management Accountant designation in 1991 and is an active member of the Chartered Professional Accountants of Alberta.

Dan has a strong track record in the oil and gas industry with CFO and director experience for both private and public companies including E&P and service enterprises. In his prior roles, Dan has proven himself a key member of leadership teams – driving finance, M&A, strategic deal making and business development.

Did we mention that we’d appreciate the opportunity to earn your business? So don’t be shy, reach out to us!

Ritchie Stagg

Director, Sales

Ritchie has over 25 years of experience in sales and plays an integral role in the operations of Questor by working closely with both the engineering and technical field service teams on a daily basis.

Dave Das

Director, Inside Sales

Engineering Team (Calgary, AB Office)

Jeff Nelson, P. Eng

Engineering Manager

Justin Bouchard, EIT

Design Engineer

Mike Rogne

Engineering & Field Services

Field Team (Grand Prairie, AB, Office)

Tristin Barrett


Carly Riehl

Administrative Assistant

US Leadership Team (Brooksville, FL Office)

Bob Miller

President, ClearPower Systems Inc.

Bob was the co-founder of Turbogenix which subsequently merged with Calnetix, which successfully developed a 125 kW high speed waste heat generator. A market vertical license for this system was sold to G.E. in 20 11. Bob has a wide range of experience in multiple fields including ten years in the heat to power field, ten years in the packaged cogeneration industry, and twenty years in Mechanical Contracting. He brings insight and engineering know-how to ClearPower Inc. waste heat recovery system technology.

Kathy Walther

Administrative Assistant

Board of Directors

  • James Inkster, Independent Chairman of the Board

Mr. James Inkster is Independent Chairman of the Board of Questor Technology Inc. He is an entrepreneur and is experienced in business management, supervision of accounting departments and financing arrangements. His experience with numerous community organizations includes oversight of budgeting and planning processes for capital projects.

  • Jean-Michel Gires, Independent Director

Mr. Jean-Michel Gires is an Independent Director of Questor Technology Inc. Mr. Gires had a long and distinguished career with Total, a global energy company and most recently served as President and Chief Executive Officer of Total E&P Canada from 2009 through 2012. Prior to that, Mr. Gires served for three years as Executive Vice President of Sustainable Development & Environment at Total SA and as President at Total Energy Ventures International SAS. Mr. Gires was a member of Total S.A. Management Committee commencing in 2003. Over the past 25 years, Mr. Gires led a range of projects around the world and was instrumental in establishing best practices for Total’s projects in the areas of advanced research & development, project management, environmental responsibility, stakeholder relations, and community capacity building.

  • Audrey Mascarenhas, President & CEO