RH

Robbie Horwitz

Partner at Addition

New York, US

About

Robbie Horwitz is based out of New York, New York, and is the Partner at Addition and Board Member at Modern Animal. Robbie previously served as the Principal at Silver Lake. Robbie Horwitz attended The Wharton School.

Position in the VCSift Database

  • 4 investors at Addition are tracked.
  • 2,531 investors hold the Partner role in VCSift. Robbie Horwitz is one of them.
  • 10,621 investors are based in New York, New York, United States.

Data sourced from 410,343 investor profiles. Updated July 2026.

Investment Focus

Contact Information

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