Skip to content

Dr. Siegfried Marquardt

AngelPublic sources — Collected from public sources, not yet cross-checked.

Dr. Siegfried Marquardt is an angel. It joined 1 round tracked by OSH in the last 90 days.

What they look for

Not published yet. OSH fills this in from Dr. Siegfried Marquardt's own site, or from its deals once OSH tracks them.

Activity

Deals, 90 days
1
Deals, 12 months
1
Led, 12 months
0
Median disclosed round
$914K

Frequent co-investors:HALBZEITDr. Guido SigronMittelständische Beteiligungsgesellschaft SachsenChristophe BarrioladeAldrich Huang

Computed from OSH Rounds. A deal is a round the investor led or joined.

Portfolio from OSH Rounds

  • Nov 4 · Pre-seed

    JawBuddy€818K

    Led by HALBZEIT · with Dr. Siegfried Marquardt, +7

    1 source

Questions and answers

How active is Dr. Siegfried Marquardt?

In OSH Rounds, Dr. Siegfried Marquardt joined 1 round in the last 90 days and 1 in the last 12 months, leading 0.

Something wrong? Suggest a correction.

Sources

  1. 1.Leipzig-based JawBuddy raises €818k to help people reduce jaw pain, bruxism, and TMJ-related tension — EU-Startups, Nov 4, 2026

Public sources — Collected from public sources, not yet cross-checked.Last verified Nov 4, 2026