[5][6] He received degrees in environmental science and geography from the University of California, Santa Barbara, and has graduate training in child psychology and education.

[7] Early in his career, Gavigan was also an Ecology and Science teacher in Los Angeles and the San Francisco Bay Area.

[11] The organization focuses on protecting children from environmental toxins through advocacy, medical research, legislative efforts, and public education.

[14] The book featured contributions from Michelle Obama, Gwyneth Paltrow, Tom Hanks, Meryl Streep, Erin Brockovich, Philip Landrigan, and Harvey Karp.

[12] In 2019, Gavigan was the founder and CEO of Prima,[17] a botanical wellness brand leveraging cannabinoid and plant therapeutics which was sold in Sephora, Goop, Vitamin Shoppe, and Whole Foods.