A. H. Almaas

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A. H. Almaas (/ˈɑːlməs/ AHL-məss) is the pen name of A. Hameed Ali (born 1944), an American writer and spiritual teacher who writes about and teaches an approach to spiritual development informed by modern psychology and therapy which he calls the Diamond Approach. "Almaas" is the Arabic word for "diamond". Almaas is originally from Kuwait. He is the spiritual head of the Ridhwan School.

Almaas' books were originally published by the Ridhwan School, under the Diamond Books publishing title, but are now published by Shambhala.