Mark Cusack

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Mark Cusack (he/they) is a Scottish author, lecturer, content creator and coach specialising in supporting people with complex, fluid or undefined sexuality or gender. He runs the online platform @notdefining which provides information about the less recognised parts of the LGBTQ+ spectrum. Mark gives seminars for trainee psychotherapists and is an expert consultant for several LGBTQ+ organisations. He also runs an online mentoring group on Patreon. He was formerly LGBTQ+ representative for the UK Civil Service, representing over half a million employees. Mark identifies as fluid in his sexuality and gender, and is a member of the autistic community. He now lives in Liverpool where he enjoys walks by the river and spending time with his community.

Mark Cusack

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