Casson Trenor

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Casson Trenor at TEDx San Francisco, 2012

Casson Trenor is an American environmentalist, social activist, author, restaurateur, blogger and media personality.

Life and education[edit]

Aaron Casson Trenor was born on 7 April 1979 in Mukilteo, Washington.[1] In 2000, Trenor received a B.A. in political science from Hobart and William Smith Colleges, and is a member of Phi Beta Kappa. He then pursued an interest in cuisine and in 2001 received a chef certificate in classical French cuisine from the Pacific Institute of Culinary Arts. In 2005, Trenor received a M.A. in international environmental policy from Middlebury Institute of International Studies at Monterey, California. In May 2012, Trenor received the Alumni Achievement Award from Middlebury Institute of International Studies.[2]


After graduation in 2005, Trenor obtained the position as director for the Invasive Species Program with the Conservation Strategy Fund. In 2007, he moved to FishWise to become director of Business Development. In 2009, Trenor went to work at Greenpeace as senior markets campaigner. While at Greenpeace, Trenor and James Mitchell authored Carting Away the Oceans 7.[3] In 2014, he left Greenpeace to focus on sustainable seafood interests.[4][5][6] In 2008, Trenor with Kin Lui and Raymond Ho founded Tataki Sushi Bar in San Francisco, California.[7][8] In 2015, he and Kin Lui opened Shizen Vegan Sushi Bar and Izakaya in San Francisco.[9][10][11] In 2016, Trenor and Kin Lui launched Limu & Shoyu in San Francisco that featured Hawaiian poke.[12][13]

Currently he lives in San Francisco.

Achievements and accolades[edit]

Trenor is the author of Sustainable Sushi.[14] He is co-owner of Tataki, San Francisco's first sustainable sushi restaurant. He was named one of Time magazine's Heroes of the Environment 2009.[15][16] In 2010, Trenor received the Ocean Protection Hero award from the Save Our Shores marine conservation NGO. He received the award: “in recognition for the sustainable seafood advocacy work he has done in the Santa Cruz area, including helping the Monterey Bay Aquarium create the well-known sustainable seafood and sushi cards.”[17]

Casson Trenor, Seattle International Film Festival, 2011


  • Trenor, C., & Mitchell, J. (2013). Carting Away the Oceans 7. Greenpeace: Amsterdam, The Netherlands, 149.
  • Trenor, Casson. (2009). Sustainable Sushi: A Guide to Saving the Oceans One Bite at a Time. North Atlantic Books. 110 pages. ISBN 1556437692, 978-1-55643-769-4.

See also[edit]


  1. ^ United States Public Records. 1970-2009. Database, FamilySearch. Aaron C Trenor, Residence, Mukilteo, Washington, United States.
  2. ^ Editor. (23 May 2012). Relaunched Alumni Achievement Awards Honor Four. Sustainable Campus. Middlebury Institute of International Studies at Monterey. Monterey, California.
  3. ^ Trenor, C., & Mitchell, J. (2013). Carting Away the Oceans 7. Greenpeace: Amsterdam, The Netherlands, 149.
  4. ^ Bittman, Mark. (7 April 2010). On Eating Sustainable Fish. Diner’s Journal. The New York Times.
  5. ^ Iritani, Evelyn. (12 July 2013). Trader Joe’s Seafood Promise to Greenpeace Still Murky. The Huffington Post.
  6. ^ Stewart, Jeanine. (21 November 2014). Casson Trenor leaves Greenpeace. Undercurrent News. London, England.
  7. ^ Leschin-Hoar, Clare. (28 July 2009). Guilt-free sushi. Living Green. Energy/Environment. The Christian Science Monitor.
  8. ^ Kauffman, Jonathan. (29 July 2009). The Flip Side of Sustainable Sushi. News. Seattle Weekly. Seattle, Washington.
  9. ^ Thomas, Madeleine. (26 January 2015). Tomato bluefin? Eggplant eel? Sushi joins the faux meat trend.
  10. ^ Kauffman, Jonathan. (17 February 2015). Shizen’s vegan nigiri reminds us 'sushi’ does not mean 'raw fish’. Food. San Francisco Chronicle.
  11. ^ Murphy, Megan. (28 April 2015). Shizen Conquers Vegan Sushi + Ramen in Sleek Digs in the Mission. San Francisco, California.
  12. ^ Roth, Anna. (26 April 2016). Poke sweeps the Bay Area, but how’s the seafood sourced? SFGate. San Francisco, California.
  13. ^ Steingarten, Jeffrey. (23 September 2016). Inside the Costly, Rarified World of the Omakase Menu. Vogue.
  14. ^ Trenor, Casson. (2009). Sustainable Sushi: A Guide to Saving the Oceans One Bite at a Time. North Atlantic Books. 110 pages. ISBN 1556437692, 9781556437694.
  15. ^ Simon Robinson (September 22, 2009). "Heroes of the Environment 2009". Time. Retrieved February 24, 2010. 
  16. ^ Walsh, Bryan. (22 September 2009). Kin Lui, Raymond Ho and Casson Trenor. Heroes of the Environment 2009. Moguls & Entrepreneurs. Time.
  17. ^ White, Kimberly. (16 August 2010). Save Our Shores hosts annual fundraiser. News. Santa Cruz Sentinel. Santa Cruz, California.

External links[edit]