Mario Demetriou, Portfolio Manager at Lingham Family Office is an active investor based in Austin, Texas. This profile covers what Mario Demetriou backs, at which stage, and how founders can reach out in 2026.
Mario Demetriou is a Portfolio Manager at Lingham Family Office with expertise in retail, telecommunications, consulting, business development, digital strategy, and private equity due diligence.
Mario Demetriou invests in Consumer & Retail, SaaS & Enterprise and Fintech, typically at Early Stage Venture and Late Stage Venture.
- Investor type
- Family Office
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- Consumer & RetailSaaS & EnterpriseFintech
- Location
- Austin, Texas
- Typical check
- $3.8M
How to reach Mario Demetriou
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Round Funded. "Mario Demetriou." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/mario-demetriou
Frequently Asked Questions
Who is Mario Demetriou?
Mario Demetriou, Portfolio Manager at Lingham Family Office is an active investor based in Austin, Texas. Mario Demetriou invests in Consumer & Retail, SaaS & Enterprise and Fintech, typically at Early Stage Venture and Late Stage Venture.
What does Mario Demetriou invest in?
Mario Demetriou invests in Consumer & Retail, SaaS & Enterprise and Fintech, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Mario Demetriou invest at?
Mario Demetriou typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Mario Demetriou's typical check size?
Mario Demetriou typically writes checks around $3.8M. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.