David Hall

American businessman, engineer, and inventor

David Hall (born 1951) is an American billionaire businessman, engineer, and inventor. He is widely recognized for his involvement in LIDAR technology for self-driving cars, having founded Velodyne Lidar.²

From Wikipedia’s article on David Hall (this version), CC BY-SA 4.0.

Born 1951.¹

About

Hall's sensor designs have been used in robotics, mapping, industrial automation, and advanced navigation systems.

From Wikipedia’s article on David Hall, shared under CC BY-SA 4.0.²

Companies

Velodyne LidarFounder⁷

Career

Occupation: inventor, entrepreneur, engineer.⁴

Date not recordedFounded Velodyne Lidar³

Audio technology and Velodyne Acoustics

In 1979, Hall founded Velodyne in California, aided by a $250,000 loan from his grandfather. The name "Velodyne" was inspired by his passion for bicycle racing. During its initial years, the company focused on designing and manufacturing innovative audio equipment, especially subwoofers known for precise, low-distortion performance.

A landmark achievement for Velodyne came in 1983 when Hall patented the accelerometer-based High Gain Servo Speaker System. This technology measured the speaker cone's movement in real time and corrected for distortion, bolstering Velodyne's standing among high-end audio equipment manufacturers.

Audio innovations

Velodyne's first notable product, the ULD-18 subwoofer, employed piezoelectric accelerometer technology, continuously monitoring and adjusting speaker cone movement to diminish distortion. Over the years, the company broadened its lineup to encompass seven distinct speaker series, ranging from mainstream offerings to high-end audiophile systems. Notably, the 1812 subwoofer—priced at $25,000—became a hallmark of the company's commitment to pushing technical boundaries in audio.

Transition to robotics and LIDAR

By the mid-1990s, Hall expanded his interests to other technical areas, exploring semiconductor technology, robotics, and related fields. He also took part in Robot Wars competitions, gaining practical insights into sensor technology and machine automation.

A defining moment came in 2004, when Hall joined the inaugural DARPA Grand Challenge with an autonomous truck. Initially relying on stereo cameras, he soon focused on LIDAR after discussing navigation methods with other competitors. By 2005, he had developed a rotating LIDAR system capable of generating a comprehensive 360-degree environmental scan.

Velodyne LIDAR

Hall filed a patent in 2007 for a LIDAR design featuring 64 lasers in a rotating housing spinning at up to 900 revolutions per minute. This approach allowed autonomous systems to map and detect their surroundings in real time without depending solely on GPS. Although the sensor initially cost around $80,000, it attracted considerable attention during the DARPA Challenges and soon became a prominent option in the self-driving sector.

Market adoption and growth

As interest in autonomous vehicles surged, Velodyne LIDAR devices were used by entities such as Google's Waymo, Uber, and Apple, prompting the company's rapid expansion. Velodyne's staff grew to more than 400 employees, and strategic investments from Ford and Baidu helped secure its position in the market. Hall himself benefited financially from the increasing demand for LIDAR technology.

Marine technology and Servo Yachts

In 2011, Hall turned his attention to marine engineering by founding Servo Yachts LLC. The firm's primary focus has been the development of self-stabilizing vessels featuring active suspension to counteract waves and reduce motion sickness. A demonstration craft, called the "Martini 1.5," was featured at several boat shows, including the 2013 Miami Boat Show, and has been tested on the San Francisco Bay.

Space technology ventures

Hall continued to broaden his range of interests by founding Shoot the Moon Rocket Technologies Inc. in 2021, located in Alameda, California. The company is exploring electric and magnetic propulsion, aiming to innovate rocket technologies and advance space travel.