Marc Magna
President & CFO at Turnstone Capital Management LLC
Norwalk, Connecticut
Marc Magna, President & CFO at Turnstone Capital Management LLC is an active investor based in Norwalk, Connecticut. This profile covers what Marc Magna backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPE
- Stages
- Early Stage Venture
- Invests in
- Hardware & Deep TechClimate & EnergyTelecom & ConnectivityPropTech & Real EstateBiotech & Pharma
- Location
- Norwalk, Connecticut
- Typical check
- $500K
- Past investments
- 10
Notable investments
How to reach Marc Magna
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Cite this page
Round Funded. "Marc Magna." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/marc-la-magna
Frequently Asked Questions
What does Marc Magna invest in?
Marc Magna invests in Hardware & Deep Tech, Climate & Energy, Telecom & Connectivity and PropTech & Real Estate, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Marc Magna invest at?
Marc Magna typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Marc Magna's typical check size?
Marc Magna typically writes checks around $500K. 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.