Sam Landman co-founded Mastry after spending over a decade as a managing director at Comcast Ventures, bringing big corporate VC experience to early-stage fund building. He focuses on leading early institutional rounds for technically complex, data-heavy businesses where teams have invested years in core technology before commercial validation, and serves as a long-term board partner at companies like Hippo Holdings since 2017. Sam Landman co-founded Mastry after spending over a decade as a managing director at Comcast Ventures, bringing big corporate VC experience to early-stage fund building. He focuses on leading early institutional rounds for technically complex, data-heavy businesses where teams have invested years in core technology before commercial validation, and serves as a long-term board partner at companies like Hippo Holdings since 2017.