Mark Sembler

Mark Sembler

Active Investor

Angel investor in Tampa

Tampa, Florida

Mark Sembler, Angel investor in Tampa is an active investor based in Tampa, Florida. This profile covers what Mark Sembler backs, at which stage, and how founders can reach out in 2026.

Investor type
Angel
Stages
Pre SeedSeed
Invests in
Healthcare & BiotechSaaS & EnterpriseConsumer & RetailFashion & BeautyClimate & EnergyPropTech & Real EstateImpact & Social Enterprise
Location
Tampa, Florida
Typical check
$150K
Past investments
1

Notable investments

Action Bracelet

How to reach Mark Sembler

Angels and operators like Mark Sembler 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 Accelerator.

Connect with Mark Sembler

Application closes in --:--:--
Email Mark Sembler

Frequently Asked Questions

What does Mark Sembler invest in?

Mark Sembler invests in Healthcare & Biotech, SaaS & Enterprise, Consumer & Retail and Fashion & Beauty, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.

What stage does Mark Sembler invest at?

Mark Sembler typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.

What is Mark Sembler's typical check size?

Mark Sembler typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.

How do I contact Mark Sembler?

Unlock Mark Sembler's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

Application closes in --:--:--
Email Mark Sembler