Ep. 62: Mark Rosenberg: CEO and Founder of HipStamp
- Author
- Michael Cortese & Charles Epting
- Published
- Mon 26 Jul 2021
- Episode Link
- https://coversationswithphilatelists.podbean.com/e/ep-62-mark-rosenberg-ceo-and-founder-of-hipstamp/
Mark Rosenberg discusses the motivation behind the founding of Hipstamp, and how the platform differs from other philatelic commerce sites.
