[2] He is a reader in sociology in the Department of History, Geography & Social Sciences at Edge Hill University, where he is the co-director of the Centre for Human-Animal Studies.

[4] His thesis, supervised by Gail Hawkes and Sue Scott and examined by Anne Witz, was entitled Ecofeminism and the 'New' Sociologies - A Collaboration Against Dualism.

[5] After completing his studies, Twine spent a decade at Lancaster University, where he was based within the ESRC Centre for Economic and Social Aspects of Genomics.

[12] Twine argues that, in a culture in which meat-eating is the norm, a vegan can, by their mere presence, challenge anthropocentric attitudes and practices, affecting the enjoyment that others have in eating animal products.

As of 2024[update], Twine is a reader in sociology in the Department of History, Geography & Social Sciences at Edge Hill[4] and co-director of the university's Centre for Human-Animal Studies.