Lawrence A. Bock (September 21, 1959 – July 6, 2016) was an American entrepreneur who has aided in starting or financing 50 early-stage growth companies,[1] with a combined market value of more than $70 billion.

[3] Bock was a donor, co-founder, and the executive director of USA Science and Engineering Festival.

[4][5] Bock was highlighted as a "keystone species" in the ecosystem of Silicon Valley in the book The Rainforest.

[citation needed] Bock was previously a CEO of Nanosys, where he helped to raise $55 million in funding.

[10] Bock suffered from Stargardt disease, an inherited form of macular degeneration that causes progressive loss of vision.