Guillaume Marion

Partner, CFO, Investor @ Diagram Ventures

Toronto, Canada

Find email

Save

Guillaume Marion is a startup investor at Diagram Ventures in Toronto. Guillaume Marion - Partner, CFO, Investor @ Diagram Ventures

Last updated: Aug 2026

For AI agents: llms.txt

Contacts

Type	Contact	Validation
Work email	●●●●@●●●●●●●●.com	Valid
Personal email	●●●●●●@●●●●●.com	Valid
Work phone	+1 (•••) •••-••••	Valid
Personal phone	+1 (•••) •••-••••	Valid
Socials	linkedin.com/in/●●●●●●●●	Valid

Unlock Contacts

About Diagram Ventures

VC Fund · Montréal, Canada

Diagram is a venture builder that conceives and launches technology companies in the financial services, insurance, and health industries. Working alongside world-class founders, we combine access to venture capital investment, hands-on support, and a deep ecosystem of partners into a unique platform to launch a business and pursue global success.

Diagram Ventures Contacts

Name	Email	Phone	Socials
Guillaume Marion Partner, CFO, Investor	Upgrade to unlock	Upgrade to unlock	Upgrade to unlock
Daniel Robichaud Managing Partner & Co-Founder	Upgrade to unlock	Upgrade to unlock	Upgrade to unlock
Francois Lafortune Co-Founder & CEO	Upgrade to unlock	Upgrade to unlock	Upgrade to unlock
Frédéric Latreille Partner	Upgrade to unlock	Upgrade to unlock	Upgrade to unlock
Mike Cegelski Limited Partner	Upgrade to unlock	Upgrade to unlock	Upgrade to unlock

Unlock Contacts

See all contacts →

Access 48,091 investors

822 industries, 177 countries. Updated daily. Emails and phones included.

Browse database — It's Free!

Find investors for your startup

Search 48,091 investors by industry and country. Emails and phones included.

FAQ

How do I contact Guillaume Marion?

Public channels for Guillaume Marion include LinkedIn. 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.

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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

Contact your first 100 investors today

Find who invests in your industry, stage, and country. Download investor list with emails in 5 minutes.