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    Executive Director & Co-Founder

    Stephanie is the co-founder and Executive Director of the Tactical Technology Collective. Her work combines her technology, art and activism background with her focus on privacy, personal data, ethics and design. She currently talks, teaches, writes and consults on 'the politics of data'. She is also the co-founder of the creative agency Tactical Studios, the co-curator of the exhibition 'Nervous Systems: Quantified Life and the Social Question' and the co-curator of 'The Glass Room'. She has been awarded an Ashoka Fellowship for her work as a social entrepreneur. In 2016/17 she was an affiliate at the Berkman Klein Center for Internet and Society at Harvard University and in 2017, she was made a Visiting Industry Associate at the Oxford Internet Institute at the University of Oxford. Stephanie has a degree in the History of Design and Art from Manchester Metropolitan University and a Masters in Computer Related Design from the Royal College of Art, London.

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    Creative Director & Co-Founder

    Marek, Creative Director and co-founder of Tactical Tech, produces creative and social interventions that span various media, from film and radio to television, books, exhibitions and, of course, the web. For the past 25 years, he has been working at the nexus of technology and politics, information and activism and the consequences of living in a quantified society. Marek’s most recent documentary series for Tactical Tech, Exposing the Invisible, explores the digital tools and tactics that now enable evidence based activism to thrive on an unprecedented scale. Marek is also co-founder of the creative agency Tactical Studios, co-curator of the exhibition Nervous Systems: Quantified Life and the Social Question and The Glass Room and co-author of the book Visualising Information for Advocacy and the latest Efficiency And Madness (Using Data and Technology to Solve Social, Environmental and Political Problems). He is currently working on a new radio show, a continuation of recently concluded Love & Chaos that was produced for Berlin’s Reboot FM (2012-2016) and a new film, How Long Is Now.


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    Deputy Director

    Caroline has over 14 years of experience in campaigning, political advocacy and communications around social justice and women's rights. Before joining Tactical Tech as Deputy Director, Caroline was part of the executive team of DSW - an international Foundation working on sexual and reproductive health and rights.Caroline studied Social Sciences in Hannover, Germany and holds a Masters degree in European Studies from the London School of Economics and Political Science. In her spare time, she tries her hand at knitting, yoga and cooking.

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    Director of Finance and HR

    Daniela O'Halloran joined the Tactical Tech team with over ten years experience working in finance and administration for civil society organisations and in the private sector. In Ireland, she started and ran the social enterprise, Ireland Donates, which aimed at linking together NGOs and private organisations. She has a Degree in Sociology from the London School of Economics, and since returning to Berlin she has started a Masters Degree in Social Management from the Alice Salomon University of Applied Sciences Berlin in cooperation with the Partaetische Akademie Berlin.

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    Finance Manager

    Jan has been with Tactical Tech since its inception in 2003, and has always been pleased to be part of the successful forward trajectory of the organisation. She is currently Tactical Tech's Treasurer and Finance Manager. She joined Tactical Tech after many years in the corporate sector, co-founding and assisting in the running of many successful businesses. She has a BA (Hons) Degree in Business Administration and a Post Graduate Diploma in Business Management from Manchester Metropolitan University.

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    Human Resources Manager

    Joanna joined Tactical Tech in May 2018. She is a sociologist with a specialisation in Civil Society Organisation management and negotiation, mediation and conflict resolution. Before moving to Berlin, Joanna worked for various organisations in Warsaw, first in the field of age discrimination and workplace ageing polices, and later in Krytyka Polityczna (Stanislaw Brzozowski Association) a leftist publishing and cultural organisation, where she was responsible for team, project management and fundraising. In University, she studied and researched various internal business processes and work ethics, specifically during phases of restructuring and now her interest lies in solutions and experiences of people-oriented organisational cultures. She is engaged in environmental actions and in local community building back in Warsaw. Since June 2017, she has been a member of the Association’s Board.

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    Grant Manager

    Emily joined Tactical Tech in November 2016 as Finance and Administration Coordinator. She comes from an operations coordination role at Community Law, a social justice non-profit in New Zealand. Prior to that she taught English to High School students in Hiroshima. Alongside her paid work she has volunteered at various charities working towards access to education for refugees and migrants. Emily has a double degree, a Bachelor of Arts in Cultural Anthropology from Victoria University Wellington and a Bachelor of Music in Classical Performance on the piano from The New Zealand School of Music.

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    Communications Coordinator

    Daisy joined Tactical Tech in June 2017. Before moving to Berlin, Daisy worked for a not-for-profit publishing house in Manchester where she collaborated with authors, activists, journalists and policy makers in delivering literature projects with a humanitarian focus. She has a degree in Contemporary Art History where her academic research focused on the precarity of temporary art spaces in urban environments.

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    Executive Assistant

    Nicole joined Tactical Tech in November 2018 to provide project support and to coordinate and collaborate with the executive team. Her background is in international relations and social development, having worked in both of these areas in the public sector in New Zealand and Germany. Nicole has an undergraduate degree in Political Relations and International Relations from Victoria University of Wellington in New Zealand and a Masters in European Studies from University of Bonn in Germany.

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    Finance and Administration Coordinator

    Steffi joined Tactical Tech in October 2017 after having worked as a project management and office assistant at the DSW, a foundation focusing on sexual and reproductive health. Prior to that Steffi worked as an undergraduate assistant in the department of academic and administrative coordination at the CRC 644, Transformations of Antiquity. She holds a Bachelor of Arts in History and Historical Linguistics from Humboldt-Universitat Berlin and currently pursues studies in Ancient History for a Master of Arts. In her spare time, she either sings the soprano in the choir, reads Plato, or is out on a hiking tour.


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    Director of Publishing and Production

    Alistair is Director of Publishing and Production at Tactical Tech and has worked with a range of NGOs in health, human rights and global justice to lead the development of websites, interactive tools and multimedia projects. He has also worked as a freelance journalist, being one of the first reporters to cover China's internet repression in 2002 as well as the first World Summit on the Information Society (WSIS) in 2003.Over the past 15 years Alistair has also been actively involved with as many activist groups and campaigns as will have him. He helped organise the Iraq anti-war march in London in 2003 of over 1 million people. He has worked with Climate Camp, the Campaign for John Charles de Menezes, UkUncut and the Open Rights Group.

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    Content Researcher

    Amber is a part time researcher specialising in the use of technology in politics and activism. She is currently working on the Our Data Our Selves project for Tactical Tech. Alongside this, she is completing her PhD (titled: Campaigning by Numbers) at Royal Holloway, University of London. She previously worked at Amnesty International, in digital communications, before undertaking her Masters in International Law. She enjoys all things collaborative and playful, especially if it is circus or art.

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    Production and Events Coordinator

    Björk joined Tactical Tech in 2016 as a production and event coordinator. She comes from years of experience as an organiser in social movements and musical subcultures. In the capacity of her interests in feminism, environmentalism and social justice she was involved in campaigns against the summits of G8 and the European Union. She always remained critical of technology and its impacts on ecology and the social webs. She lived for several years in the UK, where she helped coordinate local protests on environmental issues with Earth First! and supported the cause of indigenous cultures around the world. As part of the queer scene in Berlin, she has worked and campaigned for the rights of sexual minorities.

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    Project Lead Data Detox

    With a background in experimental design, visual communication and user research, Cade has spent ten years bringing design theory and user-empowering technologies together to help make the electric world safer and user friendly. At Tactical Tech, he brings this experience to the collective's projects; fusing design, aesthetics, and user experience practices with privacy and advocacy. His interests include decentralisation, the politics of mobile technology, online self-representation and threat modelling through the lens of design systems. Prior to Tactical Tech, he led design at SpiderOak, collaborated with Open Whisper Systems and has led or contributed to projects in Australia, Singapore, Korea, Japan and the US.

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    Programme Advisor

    Over the past eight years, Chris has advised on a number of projects at the intersection of technology and human rights, principally in countries where access to information is heavily constrained, closely monitored or both. This experience builds upon a strong technical foundation in computer and network security as well as an academic grounding in legal, political, economic and activist approaches to related challenges.

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    Programme Director

    Christy is a Berlin-based writer and editor from California, whose writing and research focus on the intersection of the visible and the invisible - including how artists represent surveillance, political power, violence, and emerging technologies. Before joining Tactical Tech, she was an editor at frieze, an international magazine about visual arts and culture, where she worked for 13 years. While at frieze, she curated a bi-annual series of lectures and talks, and wrote over 150 articles about contemporary art and artists, on topics ranging from dark money to drones. When she’s not correcting Oxford commas, she’s usually hurting herself practicing muay thai, her side-passion for over 20 years.

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    System / Operation Engineer

    Danja is a Critical Engineer, artist and educator who joined Tactical Tech in late 2017. Danja studies Systems and Networks through anti-disciplinary experimentation. Using computational platforms he engages in examination and exploitation of System and Network paradigms in both the physical and digital realms. Since 1999 Danja Vasiliev has been involved in computer-technology events, media-art exhibitions and seminars around the world. He has received a number of awards and mentions at Ars Electronica, Japan Media Art Festival, and Transmediale, among others.

    In October 2011, together with his colleagues Danja Vasiliev coauthored The Critical Engineering Manifesto. Danja gives public workshops and talks, as well as regularly teaching courses on topics of network insecurity, software/OS modification, hardware re-engineering, digital forensics and other technology related subjects.

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    Executive Assistant & Project Coordinator

    Gary joined Tactical Tech in late 2016 to support its executive team and is also coordinating a research project on the strategic uses of personal data for election campaigns and wider political influence.His previous work revolved around the use of information technology and tech innovation in the international development sector and he was an organiser and part of the founding team behind the Global Innovation Gathering (GIG) - a network of innovation hub, maker- and hackerspace managers based primarily in the Global South. He also spent several years working in the communications team for the Berlin-based re:publica tech-festival. Gary’s academic background lies in International Relations at the University of Edinburgh.

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    Project Coordinator

    Laura is a project coordinator with Tactical Tech’s Exposing the Invisible project. Before joining Tactical Tech in January 2018, she worked for two years as a program specialist with the investigative journalism portfolio of the Independent Journalism Program at Open Society Foundation in London. Prior to that, she was a reporter and researcher with the Organized Crime and Corruption Reporting Project (OCCRP) and with RISE Project - a community of investigative journalists, developers and activists in Romania. At RISE, among others, she coordinated the development of Visual Investigative Scenarios (VIS), a data visualization platform, which assists investigative journalists, activists and researchers in mapping complex organised crime networks. Earlier on, Laura also worked as a public information officer with the UN peacekeeping mission in the Democratic Republic of Congo and as a program coordinator and reporter with the Center for Media, Data and Society at the Central European University in Budapest, Hungary.

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    Web Developer

    Laurent moved to Berlin in 2000. After studying comparative literature he got a degree in International Media and Computing at the FHTW Berlin. He has over 10 years of experience as a web architect and project manager in various companies and is currently working as a freelancer. Laurents portfolio includes a wide range of websites for the Unesco in Vienna, the Free and Humboldt universities in Berlin, the Heinrich-Böll Stiftung, the Charité - Universitätsmedizin Berlin and many other big and small web projects.

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    Leil Zahra

    Senior Project Coordinator

    Leil-Zahra is a transfeminist queer activist and filmmaker, born in Beirut. Leil has formed part of several alternative media groups and political collectives in Lebanon, Egypt and the Spanish State, as well as on international level. Their work has a major focus on gender, sexualities, documentation, freedom of movement, protest movements, discrimination, freedom of expression, and post-colonialism. They have helped found various groups that crossed a milestone in the respective countries; such as Helem (the first official LGBTIQ organization in Lebanon), and OpAntiSH (a grassroots network to combat mob sexual assaults in Egypt). Leil has participated in various documentation projects around human rights and social justice mainly in the Palestinian refugee camps in Lebanon, in post-war Iraq, and most notably in their "Words of Women from the Egyptian Revolution" - an archival project documenting the participation of women in the Jan25 revolution.

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    Project Lead

    Ling started working at Tactical Tech at the beginning of 2014, to work on outreach. She is now a Project Lead for the Glass Room Experience, as well as working on the Data Detox Kit and facilitating privacy workshops. Before joining Tactical Tech, Ling worked in the environmental field and she has a Bachelor and Masters degree in environmental science.

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    Director of Digital Safety and Privacy

    Matt's role is to lead the digital safety, privacy training and curriculum at Tactical Tech. He joins the organisation from many years of experience in the risk consulting, analysis and mitigation arena, most recently with GJS Security. He is a hacker, security researcher, cyber security and operational security trainer. Matt’s personal work focuses on safe guarding the digital rights, privacy and safety of civil society, non profits and marginalised communities. In his spare time, he runs CryptoHarlem, a project to teach digital circumvention technology to people in the inner-city. You can contact Matt securely here.

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    Project Lead Our Data Our Selves

    Prior to Tactical Tech, Raquel worked as a researcher for Coding Rights, a women led digital rights organisation based in Brazil. Since 2001 she was also a professor and lecturer in some universities in Brazil and Spain. In the last few years, Raquel was involved in different projects on digital divide and cultural preservation with local indigenous rights activists of Pataxó ethnicity. She is a member of Grup de Recerca sobre Antropologia del Conflicte Urbà (GRACU) at the University of Barcelona and and ICIE (Internacional Center for Info Ethics, Germany). Raquel holds a PhD in Communication and Semiotics from Pontificia Universidade Catolica in Sao Paulo and has published papers and books on subjects such as as art, science and technology, as well as the impact of digital technology on urban spaces.

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    Rose Regina

    Digital Security Coordinator

    Rose Regina has worked with groups and organisations focused on media concerns, labour issues, criminalisation and incarceration, the anti-war movement, FOSS, and human rights. She started focusing more heavily on issues related to digital security in 2012, specifically emphasising the parallels of on- and off-line concerns of activists and other heavily surveilled communities.

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    Project Coordinator

    Safa spent her formative years assisting in presentations at multicultural, folk, and peace festivals around the United States with the aim of preserving the endangered art of traditional Palestinian embroidery and educating the public on the Palestinian diaspora experience. In 2018, Safa edited the book Tatreez & Tea: Embroidery and Storytelling in the Palestinian Diaspora, a project that was very personal for her. Safa is passionate about inclusivity and accessibility, as well as the intersectionality between environmentalism, human rights, and animal rights.

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    Production and Design Coordinator

    Sophie is a visual artist who makes objects, performances, drawings, films and videos. She studied and grew up in Glasgow, Scotland and has exhibited widely. Often she collaborates with other artists, performers and musicians. She joined Tactical Tech to help produce The White Room for the Nervous Systems exhibition at Haus der Kulturen der Welt in 2016, and now she does creative production for The Glass Room project.

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    Data scientist

    Varoon Bashyakarla is a statistician/data scientist and researcher at Tactical Tech. His past statistical undertakings include both early and late-stage data projects and span a variety of domains: public health, public safety, biology, sports, finance, and cybersecurity. These experiences are complemented by his academic background in statistics and economics. Based in Berlin, he is investigating how personal information is used for political influence in the 21st century. He is particularly interested in questions of ethics embedded in data, in algorithmic discrimination, and in ensuring our digital technologies respect and preserve the dignity of democratic process.