John Gillis

John is a recognized and respected entrepreneur and business leader within the Canadian cleantech, water, wastewater, and plant automation (IOT) industries. 

He was a Co-Founder of Aclarus Ozone, a leader in water and wastewater ozone treatment systems for industrial, agricultural, and residential applications. Prior to Aclarus Ozone he founded Measuremax, an engineering firm that focused on process instrumentation and automation for the water and wastewater market which quickly grew into a multi-million dollar company under John’s leadership.

John is a founding member of the Peterborough Region Angel Network (PRAN) and the recipient of the Business Leader Award in Water Canada’s Water Next Awards 2020.

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Areas of Expertise

Product Development

  • Marketing strategies
  • Sales Channel development
  • Commercialization
  • IP

Corporate Structure

  • Leadership
  • Governance


  • Specialist in water/wastewater technologies
  • Plant Automation/IOT
  • Instrumentation
  • Membrane/filtration/oxidation

Marketing Strategies

Seed Investment


  • Accounting structure