Problem Solutions

since 2026

  • AUTOMATED SECURITIES BOOKKEEPING

    Own Idea . Founder

Human Connection

since 2015

  • GLITTER POST SERVICE

    Founder . Sold 2015

  • coming sometime

  • SIGGI STERNENSCHLÄFER

    Children´s book . Author, Illustrator

  • TELEDRINKINGBAR.COM

    Founder

  • coming sometime

  • FRUIT SPREAD FOR A CAUSE

    Own Idea . Founder . Stopped 2021

Health & Care

since 2012

  • SELF-DETERMINED HEALTH

    Consulting / Shareholder

  • SKIN CANCER PREVENTION

    Idea Creation . Consulting

  • ANTI-HAIRLOSS REMEDY

    Co-Founder . Sold 2024

  • WOUND-HEALING REVOLUTION

    Consulting / Shareholder

  • INNOVATIVE ECZEMA & ITCHING REMEDY

    Co-Founder . Sold 2024

  • SOLUTIONS FOR PROBLEMATIC HAIR

    Own-Idea . Founder

  • LUXURY SKINCARE

    Co-Founder . Management Buyout 2022

  • HEALTHTECH VC

    Co-Investor

Sustainability

2008-2015

  • GREEN SMART SOLUTIONS

    Own Idea . Co-Founder . Sold 2015

  • PAPER-SAVING PAPER BIN

    Own Idea . Inventor

Other investments

since 2015

  • FINTECH COMPANY BUILDER

    Co-Investor

  • REAL ESTATE DEVELOPMENT

    Co-Founder . Co-Investor

  • DIGITAL ASSETS FUND

    Investor

  • DIGITAL ASSET FUND

    Investor