Writings & Activities


Dekeyser, T. and Garrett, B. (2021) Illegal ethnographies: research ethics beyond the law. In: Hörschelmann, K., Miggelbrink, J. and Henn, S. (eds) Routledge Handbook of Research Ethics in Human Geography. London: Routledge. 

Dekeyser, T.  and Jellis, T. (2021) Besides affirmationism? On geography and negativityArea. https://doi.org/10.1111/area.12684

Dekeyser, T. (2020) Dismantling the advertising city: subvertising and the urban commons to come. Environment and Planning D: Society and Space. DOI: https://doi.org/10.1177/0263775820946755

Thacker, E. and Dekeyser, T. (2020) Pessimism, futility, and extinction: an interview with Eugene Thacker. Theory, Culture & Society. [A pamphlet version can be downloaded here]

Dekeyser, T. (2018) A Deleuze for intolerable timesRadical Philosophy, 2(2), pp. 116-117. (book review of Andrew Culp’s Dark Deleuze)

Dekeyser, T. (2018) The material geographies of advertising: Concrete objects, affective affordance and urban spaceEnvironment and Planning A: Economy and Space, 50(7), pp. 1425-1442.

Culp, A. and Dekeyser, T. (2018) On giving up on this world: Andrew Culp, interviewed by Thomas DekeyserSociety and Space. 

Dekeyser, T. (2017) (Non-)communication. In Seiler, J. (ed) Collisions, New York: Jordan Seiler.

Dekeyser, T. and Garrett, B. (2017) Ethics does not equal lawArea, 50(3), pp. 410-417.

Dekeyser, T. (2016) The gaps of architectural life: the affective politics of Gordon Matta-Clarks Conical IntersectTransactions of the Institute of British Geographers, 42(2), pp. 179-191.

Dekeyser, T. (2015) Why artists installed 600 fake adverts at COP21, The Conversation, 7th December.

Dekeyser, T. (2015) Urban Constellations: Spaces of Cultural Regeneration in Post-Industrial Britain, by Zoë Thompson. Reviewed in: Social & Cultural Geography, 17(1), pp. 143-145.

Dekeyser, T. and Garrett, B. (2015) Last Breath: Unofficial pre-demolition celebrations. cultural geographies, 22(4), pp. 723-730.

Dekeyser, T. (2015) Celebrating the final moments of doomed buildings – in pictures, The Guardian, 28th July.

Conference papers & sessions

Dekeyser, T. (2021) No more ‘worlds to come’: on geography and hope. Presented at RGS-IBG 2021 Annual Conference in session ‘Disarticulated Subjects’.

Co-organiser (with Mitch Rose and Mikko Joronen) of ‘The vulnerability of/to power: ontology, incapacity and politics’. RGS-IBG 2021 Annual Conference.

Chair and organiser of ‘Geography and negativity: space, affect, politics’ panel discussion at AAG Annual Meeting 2021. Panellists: David Bissell, Vickie Zhang, Pepe Romanillos, Anna Secor, Mitch Rose.

Dekeyser, T. (2019) Overexposure: life amidst algorithmic capture and the digital inhumanPresented at RGS-IBG Conference 2019 in session ‘Collective feelings and contemporary conditions’.

Dekeyser, T. (2019) Blanchot’s refusal; or, how to avoid a collapse into fascism. Presented at RGS-IBG Conference 2019 in session ‘Maurice Blanchot’s Disturbing Geography’.

Dekeyser, T. (2019) Illegal Ethnography; or, becoming a paranoid researcher. Presented at RGS-IBG Conference 2019 in session ‘Whose Wellbeing: the challenges of doing sensitive research’.

Dekeyser, T.  (2018) Paranoid ethnography. Presented at Crime and Control Symposium, Goldsmiths, University of London.

Dekeyser, T.  (2018) Advertising and the affirmative life of control. Presented at University of Southampton Annual Postgraduate Conference.

Chair and co-organiser (with Joe Gerlach and Thomas Jellis) of ‘Besides Affirmation: geography and ‘negativity’‘ sessions at AAG Annual Meeting 2018.

Dekeyser, T. and Jellis, T. (2018) Besides affirmation: an introduction. Presented at AAG Annual Meeting 2018 in session ‘Besides Affirmation: geography and ‘negativity”.

Dekeyser, T. (2018) Profaning the (advertising) city: subvertising, common use, and the potential of chaos. Presented at AAG Annual Meeting 2018 in session ‘The Commons, Commoning and Co-becomings IV: Re-Commoning and Reclaiming’.

Dekeyser, T. (2017) Concretisation and the affective affordance of outdoor advertising. Presented at RGS-IBG 2017 Annual Conference in session ‘Geography’s Technology: Conceptualising technology, technics and the technological’.

Dekeyser, T. (2017) The city subvertised: profanation and allure. Presented at University of Southampton Postgraduate Conference.

Dekeyser, T. (2016) Geographic methods meet video art: Glitches, time-images and the powers of the false. Presented at RGS-IBG 2016 Annual Conference in session ‘Beyond interdisciplinarity: Situating practice in the art-geography nexus’.

Chair & co-organiser (with Theo Kindynis) of ‘Holey space: Alterior imaginations, urbanism, resistance and affect’ session at RGS-IBG 2016 Annual Conference.

Dekeyser, T. (2016) Distorting Urban Habits: Subvertising and the re-engineering of affect. Presented at AAG 2016 Annual Conference San Francisco in session ‘Critical Artscapes/Resilient Artists’.

Dekeyser, T. (2016) Last Breath. Presented at AAG 2016 Annual Conference San Francisco in session ‘Geocentric Work of Art: Creative Minds Doing Things Beyond Academic Boundaries’.

Dekeyser, T. (2016) Habit, affect and outdoor-advertising encounters. Presented at RGS-IBG Postgraduate Forum Newcastle in session ‘Affective Geographies’.

Non-academic talks, panels and workshops (selection)

29th November 2017 (presentation/panel) What kind of advertising for a moderate and desirable world? – a response. European Economic and Social Committee – Sustainable Development Observatory 60th MeetingBrussels.

28th October 2017 (workshop) Grassroots Cultural activism. The Advocacy Academy. London.

22nd April 2017 (panel) Spaced out: Reclaiming the city. Take Back Control Youth. London.

15th March 2017 (panel) Street Cred: navigating the relationship between artists and brands. The Art Conference. London.

9th February 2017 (workshop) Advertising and collective struggles. European Ideas Lab – EU Greens Meet ChangemakersBrussels.

Press features (selection)

(interview) ‘Als je de wereld wil verbeteren, heb je in de reclame niets te zoeken’ [If you want to improve the world, then advertising’s isn’t the place for you]. Adformatie, 7 October 2020.

(TV interview) Rebellen tegen reclame [Rebels against advertising]. VPRO, 26 April 2020.

(interview) ‘Subvertising’ hackers are using street ads to protestCNN, 23rd March 2018.

(images) Fake Tory posters mocking Theresa May appear at bus stops and on Tube. Evening Standard, 1 June 2017.

(images) The guerrilla anti-Tory adverts appearing all over London. The Independent, 31 May 2017.

(interview) LOOK: In Paris, Artists Turn Ad Spaces Into Climate Change ProtestsNPR, 4 December 2015.

(images) Activists flood Paris with ads mocking corporate sponsors of climate change talksThe Washington Post, 2 December 2015.

(video) Paris climate summit: Survey reveals ‘greenwash’ of corporate sponsors. The Guardian, 1 December 2015.

(video) UN-Klimakonferenz: Die Werbelügenglobaler KonzerneWired (Germany), 1 December 2015.

(video) COP 21 : Un collectif d’artistes detourne 600 affiches publicitaires pour denouncer la ‘schizophrenie’ des sponsorsLiberation, 30 November 2015.

(interview) A breath of life for Molyvann building. Phnom Penh Post, 16 May 2014.

(interview) Urban explorers uncover hidden gemsThe Sydney Morning Herald, 11 August 2014.

Participation & Organisation

August 2015 – Cities of Void. Organisation of Passengerfilms edition on the topic of post-apocalyptic space, including chairing a panel discussion with Paul Dobraszczyk (University of Manchester), Emma Fraser (University of Manchester) and Oliver Harrison (artist).

January 2015 – Reconfiguring Ruins: Materialities, Processes and Mediations; artist workshop organised by School of Advanced Study, Open University, Newcastle University, Sheffield University, New Bridge Project and the Museum of London Archaeology, funded by an AHRC ‘Care for the Future’ Developmental Award. (artist-researcher participation)

October 2014 – Cities Methodologies 2014; urban research exhibition organised by UCL Urban Lab. (artist-researcher participation)


British Academy Postdoctoral Fellowship, September 2019. £342,791.

RGS Postgraduate Research Award, March 2016. £1,250.

RCUK 3-year PhD scholarship, £14,553/annum.