Zipline

Logistics · US

Autonomous drone delivery service for food, retail and healthcare, with over 2 million commercial deliveries.

Founders

Keller Rinaudo Cliffton (United States · ♂) — A Harvard biophysicist, former pro rock climber and robotics founder (Romotive), Rinaudo started Zipline after seeing preventable deaths from poor medical-supply logistics in Africa.
Keenan Wyrobek (United States · ♂) — A Stanford robotics pioneer who co-founded the Stanford Robotics Lab, Wyrobek co-founded Zipline as CTO to engineer autonomous delivery drones for healthcare.
William Hetzler (United States · ♂) — A Harvard classmate of Rinaudo with a transportation and aviation background, Hetzler co-founded Zipline and led business development and operations.
Ryan Oksenhorn (United States · ♂) — A software engineer, Oksenhorn co-founded Zipline building the software powering its drone delivery system.

Shares the most investors with (number = shared investors):

Date	Round	Amount
Jan 2026	Growth Zipline raised $600 million at a $7.6 billion valuation, with Fidelity, Baillie Gifford, Valor and Tiger Global, to expand drone deliveries to Houston, Phoenix and other US states.	$800M
May 2023	Series D Plus US drone-delivery company Zipline raised a $330M Series F at a $4.2B valuation.	$330M

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Data is community-curated and may be incomplete.