# Bastian Lehmann

> Bastian Lehmann is a German entrepreneur based in Los Angeles who co-founded Postmates with Sam Street and Sean Plaice in 2011. After Uber acquired the delivery company in 2020, he co-founded Tiptop, which developed resale and trade-in payment services. His current public bio points to building a computer at Mother Computer.

- **Role:** Founder and CEO at Mother Computer
- **Organizations:** Mother Computer, Tiptop, Postmates, Curated.by, PA Consulting, AngelPad, TechNet
- **Nationality:** German
- **Known for:** Co-founded and led Postmates through its acquisition by Uber., Built consumer resale and merchant trade-in payment products at Tiptop., Joined TechNet’s Executive Council as Postmates co-founder and CEO.

## Career timeline

- **1999** — Started Seven-a-Day, an early online retail venture that subsequently closed.
- **2009** — Left PA Consulting in London in September to pursue his own venture.
- **2010** — Participated in the inaugural AngelPad program with Curated.by.
- **2011** — Co-founded Postmates with Sam Street and Sean Plaice.
- **2017** — Gave written testimony to a US House subcommittee about on-demand delivery and automation.
- **2020** — Uber announced a $2.65 billion all-stock Postmates deal in July and completed the acquisition on December 1.
- **2022** — Tiptop raised a reported $23 million Series A led by Andreessen Horowitz.
- **2023** — Tiptop Cash launched in September.
- **2024** — Tiptop launched trade-in at checkout on June 27.
- **2026** — By October, his public bio says he is building a computer at Mother; Tiptop’s main domain redirects to Mother Computer.

## Achievements

- Co-founded and led Postmates through its acquisition by Uber.
- Built consumer resale and merchant trade-in payment products at Tiptop.
- Joined TechNet’s Executive Council as Postmates co-founder and CEO.

## Latest updates

- **2026-10** — Research check: public X bio points to building a computer at Mother, whose Wellfound page lists him as founder and CEO. Tiptop.com redirects to mother.ai.
- **2024-11** — Tiptop published selling instructions describing a seven-day shipping window and item assessment before confirming payout.
- **2024-06** — Tiptop announced trade-in at checkout, with an advertised catalog of over 50,000 items and launch merchants including Nothing Tech and Backbone.

## Links

- LinkedIn: https://www.linkedin.com/in/bastianlehmann
- Twitter/X: https://x.com/Basti

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Profile page: https://yespress.io/bastian-lehmann
Published by YesPress — https://yespress.io
Last updated: 2026-10-26