Gregory Stewart
Managing Partner @ GreenSky Ventures
Toronto, Canada
Gregory Stewart is a seed investor at GreenSky Ventures in Toronto focused on Software and SaaS. Gregory Stewart is based out of Clearwater, Florida and is the Managing Partner of GreenSky Ventures. Gregory previously worked at Impact Consulting Group Rotman as a Partner. Gregory Stewart attended the University of Florida. Gregory Stewart has received Technology Deal of the Year - 2015 award.
- Total investments:
- 15
- Last investment:
- Lead investor:
- 67%
Last updated:
For AI agents: llms.txt
Industries Gregory Stewart invests in
Stages Gregory Stewart invests in
Countries Gregory Stewart invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
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Investment Focus
Industry
- Software 4 (27%)
- SaaS 2 (13%)
- Biotechnology 2 (13%)
- Renewable Energy 2 (13%)
- CRM 1 (7%)
Stage
- Seed 6 (40%)
- Venture - Series Unknown 3 (20%)
- Series A 1 (7%)
- Funding Round 1 (7%)
- Convertible Note 1 (7%)
Country
- Canada 8 (53%)
- United States 1 (7%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| PhenoTips is a computer software company that provides solution for clinical genetics, phenotyping, and human phenotype ontology. It offers smart software solutions streamlined for clinical use that can be integrated with existing electronic health records. The company was founded in 2014 and headquartered in Ontario, Canada. | $1.4M / Seed / Oct 08, 2025 | ||
| PhenoTips is a computer software company that provides solution for clinical genetics, phenotyping, and human phenotype ontology. It offers smart software solutions streamlined for clinical use that can be integrated with existing electronic health records. The company was founded in 2014 and headquartered in Ontario, Canada. | $2M / Seed / Sep 21, 2021 | ||
| SYMX.AI is transforming the mining industry with cutting-edge AI, Industrial IoT, and predictive analytics, delivering data-driven solutions that enhance productivity, efficiency, and sustainability. With deep expertise in Asset Performance Management, AI-driven Predictive Maintenance, and IoT connectivity, we empower the natural resources industryto reduce downtime, optimize fuel consumption, and improve operational reliability. Our solutions provide real-time insights and seamless data integration, leading to measurable improvements such as a 9% reduction in fuel consumption, 14% lower maintenance costs, and 50% less unscheduled downtime. SYMX.AI operates out of multiple focus cities, with key team members in Sudbury and Toronto, ON, Chicago, IL, and Elko, NV. We have served over a dozen Global 2000 enterprises across North America, South America, Africa and Europe. We are also the only player in the industry offering a fully integrated end-to-end hardware, software, and AI solution for both heavy and light-duty mobile and stationary equipment. | $2.2M / Seed / Aug 18, 2021 | ||
| Anessa is a software company specializing in the biogas industry that has developed robust and sophisticated software products to assist clients in assessing, validating, and operating anaerobic digestion plants. | Venture - Series Unknown / Jun 03, 2021 | ||
| Pulse Industrial is developing thermal applications using phase change materials. QALM is a smart steam trap monitoring solution that makes the invisible leaks visible. The company was founded in 2017. | $2M / Seed / Apr 28, 2021 | ||
| Weever Apps provides process, electronic form, and inspection software, digitizing much of the paperwork still found on the manufacturing floor. Any paper-based, constant process, where the recorded results are essential for tracking is a perfect candidate for Weever’s technology. | $1.1M / Venture - Series Unknown / Jul 08, 2019 | ||
| Weever Apps provides process, electronic form, and inspection software, digitizing much of the paperwork still found on the manufacturing floor. Any paper-based, constant process, where the recorded results are essential for tracking is a perfect candidate for Weever’s technology. | $900K / Venture - Series Unknown / Sep 10, 2018 | ||
| Mirexus Inc. is a start-up company which is commercializing a novel “green” technology based on polysaccharide sub-micron particles that can be used in a wide variety of applications, ranging from cosmetics to foods to architectural coatings to drug delivery in medicine. This technology was originally developed at the University of Guelph withfinancial support from the Ontario Centres of Excellence (OCE), the Advanced Foods and Materials Network (AFMNet), and the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA). Mirexus is currently seeking partnerships with industry to develop innovative products based on this technology. | $12M / Venture - Series Unknown / Jun 29, 2017 | ||
| Limelight is an all-in-one experiential marketing solution designed to address the gaps and challenges in event execution. Streamline data collection, event registrations, and onsite lead capture. From micro-sites to inventory management and secure payment gateways, our experiential marketing platform ensures seamless event execution. Limelightmakes it easy for you to increase sales, get quality data, personalize experiences, and enhance your experiential marketing strategy with actionable insights. | $2.2M / Seed / Jan 13, 2016 | ||
| Mirexus Inc. is a start-up company which is commercializing a novel “green” technology based on polysaccharide sub-micron particles that can be used in a wide variety of applications, ranging from cosmetics to foods to architectural coatings to drug delivery in medicine. This technology was originally developed at the University of Guelph withfinancial support from the Ontario Centres of Excellence (OCE), the Advanced Foods and Materials Network (AFMNet), and the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA). Mirexus is currently seeking partnerships with industry to develop innovative products based on this technology. | $3.5M / Series A / Oct 08, 2015 | ||
| See all 15 investments → | |||
Co-Investors
About GreenSky Ventures
GreenSky Ventures is a Toronto-based firm that makes investments in early-stage Canadian technology companies.GreenSky Ventures seeks early-stage B2B technology companies in Canada, emphasizing protectable IP and experienced management. It makes investments in early-stage technology companies through its affiliated venture capital funds, GreenSkyAccelerator Fund I, II and III. Their principals bring a unique combination of experience in technology, law, and finance to high-growth potential companies and dedicated entrepreneurs.GreenSky Capital was founded in Toronto, Ontario in 2010 by Geoff Simonett and Michael T. R. List.
GreenSky Ventures Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Anton Neschadim
Senior Analyst
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Gregory Stewart
Managing Partner
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James Brink
Chief Compliance Officer
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Michael List
Founder and Managing Partner
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Moien Giashi
Associate
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FAQ
What does Gregory Stewart invest in?
Gregory Stewart invests primarily in Software, SaaS and Biotechnology startups, most often at Seed and Venture - Series Unknown stage. Most of the 15 investments tracked by Shizune back companies in Canada. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Gregory Stewart?
Public channels for Gregory Stewart include LinkedIn and Facebook. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Gregory Stewart last invest?
The most recent investment recorded for Gregory Stewart closed in Oct 2025. Shizune tracks 15 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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