Elizabeth Anne Seaton Jamieson-Hastings CNZM (1944 – 20 November 2022 née Merritt) was a New Zealand addiction counsellor and writer, and founder of the Substance Abuse Education Trust. In 1998 Jamieson-Hastings was appointed a Companion of the New Zealand Order of Merit for services to drug and alcohol education.

Jamieson-Hastings was born in Petersfield, England in 1944 and moved to Auckland, New Zealand with her parents. Her father Frederick Ernest Roy Merrit was a New Zealander, and worked for H. T. Merritt, a carpet importing company founded by his grandfather.^[1] Jamieson-Hastings mother was Josephine Anne Watson.^[1] Jamieson-Hastings attended Hilltop School in Auckland and Woodford House School in Havelock North.^[1]

Jamieson-Hastings was an anorexic, a bulimic and an alcoholic by the age of 21.^[2] Jamieson-Hastings then became involved in drug and alcohol rehabilitation. She trained as an councillor and educator with the United States Navy, and taught at the University of Arizona.^[1] Returning to New Zealand, Jamieson-Hastings founded the Substance Abuse Education Trust in 1988. She worked with prisoners in the maximum-security area of Paremoremo Prison, and in schools.^[1]

In 2009, when she was in her sixties, Jamieson-Hastings wrote an autobiography Still Standing: From Debutante to Detox, published by HarperCollins.^[3]

After her death on 20 November 2022, Jamieson-Hasting's estate was auctioned for the benefit of drug and alcohol treatment and advisory groups.^[4]

In the 1998 New Year Honours Jamieson-Hastings was appointed a Companion of the New Zealand Order of Merit for services to drug and alcohol education.^[5]

• Alcohol addiction, Jamieson-Hastings interviewed on Radio New Zealand Nine to Noon, 26 February 2009
• Liz Jamieson-Hastings interviewed on NZOne Tonight in 2009 about her book, via YouTube