The enthusiasm to solve anything

We’re a team of thinkers, risk takers, sought-after innovators, doubters and doers who are unified by a shared purpose; making meaningful change together. We’re proud to have created a space where experience and energetic ingenuity thrive together.

Our team’s reputation and understanding of the new energy landscape is equaled only by their devotion to making the industry better—better for people, better for business and better for the planet.

  • President, Chief Executive Officer

    Billy Rideout, P.Eng

    Billy is our head creator, solver, and game-changer. His fixation on making things work better and faster is what sparked the founding of Exergy back in 2015. Today, he leads the Exergy team in strategy and business development, and is known to poke his brain in on exciting new technology we’re creating for clients. Before Exergy, Billy held several leadership roles at Suncor Energy. He advanced new technology development for in-situ oil sands projects and developed process innovations for safety management. Billy holds a BSc in Chemical Engineering from UNB and is a member of the APEGA.

  • Chief Operating Officer

    Fiona Harris

    Since 2021, Fiona has expertly helmed Exergy’s day-to-day operations, reinforcing the foundation from which we confidently launch our biggest, boldest ideas. Fiona previously held leadership positions at some of the world's leading engineering, procurement and construction companies. Originally from Ireland, Fiona has lived and worked in on four continents in her 20+ year career, and holds a Bachelor of Science in Town and Regional Planning from the University of Dundee in Scotland.

  • Chief Financial Officer

    George Katsimihas, CPA, CA

    George puts two decades of experience to work as our head of finance, skillfully integrating Exergy’s accounting and administration functions and lending his expertise in scaling finance operations and enterprise resource planning to our clients. Before Exergy, George held senior finance and leadership roles in energy companies and professional service firms. A member of the Chartered Professional Accountants of Alberta, George holds a Bachelor of Commerce from the University of Calgary.

  • VP, New Energy Technologies

    Matt McCulloch, P.Eng

    Matt leads the growth and communications of Exergy and has built a leading edge new energy technology consulting team focused on low carbon and clean technologies to advance industry’s transition to a low carbon economy. Prior to Exergy, Matt was the Director of the Greenhouse Gas and Innovation Plus Priority Areas at COSIA supporting the oil sands industry alliance members in accelerating the pace of technology innovation and deployment through collaboration. He also helped build and lead the consulting arm of the Pembina Institute, a Canadian non-profit environmental organization, working with Canadian businesses of all sizes and sectors to improve their environmental and financial performance by integrating sustainability solutions, innovation, and clean energy technology into their strategies and operations.

  • Director, Advanced Manufacturing

    Dave Waldbillig, PhD, P.Eng

    Employing Exergy’s state-of-the-art 3D printing technology, Dave turns design concepts into tangible, testable parts. With more than 20 years of experience leading materials and coatings research and development projects, Dave oversees Exergy’s additive manufacturing solutions and helps drive client projects from initial concept through full-scale manufacturing and commercialization. Prior to joining Exergy in 2020, Dave served as Principal Engineer at Quantiam Technologies. Dave holds both Bachelor and Master of Science degrees in Materials Engineering from the University of Alberta, a PhD in Materials Engineering from the University of British Columbia and is a member of APEGA.

  • Director, Projects

    Mark Bergmann, P.Eng

    Determined to help the energy industry discover and deploy safe, operable, cost-effective solutions to big challenges, Mark is a leader in providing consistently good outcomes for our clients using agile project delivery. He's committed to progress and supports our clients in designing, building and operating lab and field pilots. With more than 25 years of experience in the energy industry, including nearly 10 years as a project and integration manager at Suncor, Mark has expertise in midstream operations, engineering, fabrication and construction. Mark holds a Bachelor of Engineering and Technology Diploma (Mechanical) from Lakehead University and SAIT and is a member of APEGA.

  • Director, Business Operations

    Tanner Ball, P.Eng

    Passionate about the energy industry’s pursuit of improved production, reliability and environmental performance, Tanner expertly leads Exergy’s lab and field pilots from design and fabrication through construction and implementation. Leveraging 15 years of experience in mining, extraction, upgrading, tailings and in-situ operations, Tanner focuses on research and development initiatives that will improve the processes and products that keep the industry humming. Before joining Exergy in 2018, Tanner supported project and technology development at Suncor Energy. Tanner holds a Bachelor of Engineering – Mechanical from Carleton University and is a member of APEGA.

  • Director, Business Finance

    Vicky Lavoie

    You’ll find Vicky where Exergy’s left- and right-brain meet, harmonizing the people and systems that drive our business forward. Since co-founding the company in 2015, Vicky has led the development of Exergy’s financial and administrative framework and the adoption of people practices we can stand proudly behind. A speech-language pathologist for 17 years, Vicky also served as the president for a not-for-profit francophone preschool organization. Vicky holds a Bachelor of Science from UNB and a Master of Science in Speech Language Pathology from the University of Alberta.

  • Manager, Process Engineering

    Ahmed Elshafey, P.Eng

    With nearly 25 years in design, operations and engineering management, Ahmed applies a nuanced understanding of the project life cycle to help our clients improve their processes, procedures and day-to-day practices. Since joining Exergy in 2020, Ahmed has leveraged his experience working for both an engineering contractor and an owner/operator to help our clients navigate their path to progress. Before Exergy, Ahmed supported a range of projects in gas processing, in-situ thermal recovery, power generation and technology evaluation. Ahmed holds a BSc in Chemical Engineering from the University of Calgary and is a member of APEGA.

  • Manager, Digital Solutions & Marketing

    Scott Hunter

    As the head of immersive digital solutions and public relations for Exergy, Scott leverages leading edge virtual and augmented reality technology to help our clients bring their boldest ideas sharply into focus. Scott brings 15 years of expertise in 3D laser scanning, VR, AR and CAD systems administration in the energy sector. Before joining Exergy in 2017, Scott held pipeline design and systems administration positions for Aximus Engineering, Keywest Projects and Worley Parsons. Scott completed both Business Administration and Broadcasting Communications programs at MRU and holds a Process Piping Design certificate from SAIT.