[1] He is the founder or co-founder of multiple companies, including Otherlab (where he is currently CEO), Makani Power, and Instructables.

Griffith used this energy flow mapping for Rewiring America, a nonprofit organization working on electrification.

[10] He argues that the United States can create 30 million jobs, save consumers money, boost energy resiliency, and accelerate achievement of a net zero economy.

[18] Griffith's mother is a wildlife artist, early Greenpeace activist and printmaker, while his father is a retired professor.

[10] A portrait of Griffith by artist Jude Rae was highly commended in the 2022 Archibald Prize.