Tarun Rathnam

Active Investor

Angel investor in Boston

Boston, Massachusetts

Tarun Rathnam, Angel investor in Boston is an active investor based in Boston, Massachusetts. This profile covers what Tarun Rathnam backs, at which stage, and how founders can reach out in 2026.

Tarun Rathnam advises early-stage and PE-backed B2B companies on growth, product, and go-to-market strategies, and leads Google's AI and Cloud solutions for marketers.

Tarun Rathnam invests in Artificial Intelligence, Marketing & AdTech and SaaS & Enterprise, typically at Early Stage Venture and Late Stage Venture.

Investor type
Angel
Stages
Early Stage VentureLate Stage Venture
Invests in
Artificial IntelligenceMarketing & AdTechSaaS & Enterprise
Location
Boston, Massachusetts
Typical check
$3.8M

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Round Funded. "Tarun Rathnam." Round Funded investor database, updated November 3, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/tarun-rathnam

Frequently Asked Questions

Who is Tarun Rathnam?

Tarun Rathnam, Angel investor in Boston is an active investor based in Boston, Massachusetts. Tarun Rathnam invests in Artificial Intelligence, Marketing & AdTech and SaaS & Enterprise, typically at Early Stage Venture and Late Stage Venture.

What does Tarun Rathnam invest in?

Tarun Rathnam invests in Artificial Intelligence, Marketing & AdTech and SaaS & Enterprise, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Tarun Rathnam invest at?

Tarun Rathnam typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.

What is Tarun Rathnam's typical check size?

Tarun Rathnam 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.