Who We Are

H2nanO was founded to evolve promising nanotechnology into valuable environmental solutions. Our team is determined bridge the gap from disruptive advances in nano-science to practical, economical and sustainable solutions for industry.

We bring a strong network of leaders, creators, advisors, investors and supporters to further this mission.

Dr. Frank Gu - CEO

Dr. Gu is a Canada Research Chair and Professor of Chemical Engineering at the University of Toronto. He completed his PhD studies at Queen's University and a post-doctoral fellowship at MIT.

Frank Gu Lab

Dr. Tim Leshuk - CTO

Tim has extensive experience in nanoparticle design and application through work with Dr. Gu's research group since 2009, and leads H2nanO’s R&D for water treatment. Tim is an avid amateur photographer and enjoys a good book.

PhD - Chemical Engineering / Nanotechnology, Vanier Scholar

Zac Young - COO

Zac was previously with Waterloo start-ups Alchemy and Nicoya Lifesciences and was a Junior Fellow with Engineers Without Borders Canada. Zac leads business development and partnerships activities for H2nanO. In his free time, Zac can be found cycling or exploring new music.

BASc - Nanotechnology Engineering, Loran Scholar


Stuart Linley - CFO and Research Lead

Stuart has a strong background in nanomaterials design and project management, and is responsible for H2nanO’s financial operations. He has been a part of Dr. Gu's research group since 2010. Stuart enjoys participating in choral and jazz music in his free time.

PhD Candidate - Chemical Engineering / Nanotechnology, Vanier Scholar

Brad Headshot.jpg

Brad Wilson, P.Eng. - Lead Process Engineer

Brad is an expert in water treatment engineering, with experience as an industrial wastewater specialist at GHD and graduate researcher in biofiltration technology. He leads H2nanO’s process engineering and projects team. Outside of the office, Brad enjoys making music in the studio, and the kitchen too.

MASc - Civil and Environmental Engineering


H2nanO is situated in the entrepreneurial corridor of Kitchener-Waterloo-Toronto, with access to the top talent from the University of Waterloo, Canada’s leading university for nanotechnology and water research. Our peers and mentors in the high tech start-up space are cornerstones to growing our skills and supporting our mission.


We are a proud member of the largest free startup incubator in the world. The highly ambitious community and experienced advisory team helps to push our team and venture to new levels.

Imagine H2O

H2nanO was selected for Imagine H2O’s 2018 cohort, bringing together the most exciting water start-ups from around the world for a water-focused accelerator program.

Creative Destruction Lab

We are alumnus of the CDL, where we engaged with Canada's leading investors and business  creators to accelerate our high tech venture into a scalable business.