Thiermann founded the Santa Cruz-based media agency and production company *IMPACT CREATIVE, with corporate and post-production offices in San Francisco and Venice. During his 35-year career, Thiermann has filmed hundreds of media projects in over 40 countries for industry and non-profits. A recipient of an independent filmmaker grant from The American Film Institute, he completed a series on artists in maximum-security prisons for PBS, Art and the Prison Crisis and shortly after produced and directed the acclaimed documentary The Last Epidemic: Medical Consequences of Nuclear Weapons and Nuclear War, recognized by Life and Newsweek magazines as the most influential nuclear documentary of its time. He then directed In the Nuclear Shadow: What Can the Children Tell Us nominated for an Academy Award in 1984. In 1986, he lensed Women for America, which received the Academy Award for best short documentary film. His work covers a wide range of socially relevant subjects from domestic violence, hospice, and children's advocacy to environmental stewardship with the NPS, The Yosemite Conservancy, and The Sierra Club.
Thiermann, in collaboration with the team of directors, motion graphic artists and editors at *IMPACT also produces media commissioned by Google, Cisco, Starbucks, HP, Plantroncs, Fox Shox, Apple, Genetech, Seagate, and Ocean Mist Farms. Recently *IMPACT CREATIVE produced fifteen historical videos for the newly-opened Computer History Museum in Mountain View.
He lives in Santa Cruz, Califorrnia but might be found shooting video on a return trip to the Amazon, the outback of Austrialia, The North Pole, the Ganges River or recently 3D of Dr. Dre and Snoop Dogg at the Coachella Music Festival.