Mark Miller

Active Investor

Managing Partner at Good Harbor Partners

Austin, Texas

Mark Miller, Managing Partner at Good Harbor Partners is an active investor based in Austin, Texas. This profile covers what Mark Miller backs, at which stage, and how founders can reach out in 2026.

Investor type: AngelInvestment Bank
Stages: Pre SeedSeedSeries BLate Stage Venture
Invests in: SaaS & EnterpriseConsumer & RetailEdTechGaming & EntertainmentMedia & ContentHR & Future of Work
Location: Austin, Texas
Typical check: $1.6M
Past investments: 3

Notable investments

101 EduO'Reilly MediaXplana Learning

How to reach Mark Miller

Angels and operators like Mark Miller reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.

Frequently Asked Questions

What does Mark Miller invest in?

Mark Miller invests in SaaS & Enterprise, Consumer & Retail, EdTech and Gaming & Entertainment, typically at Pre Seed, Seed, Series B and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.