CV
General Information
| Full Name | Marko Galjak |
| Languages | Serbian, English |
Education
- 2022
PhD in Demography
The University of Belgrade, Faculty of Geography, Serbia
- 2017
MSc in Social Sciences and Computing
The University of Belgrade, Serbia
- 2014
MSc in Demography
The University of Belgrade, Faculty of Geography, Serbia
- 2011
BS in Demography
The University of Belgrade, Faculty of Geography, Serbia
- Role of State in the Demographic Development - The Example of the United States
Work
- 2026 - now
Senior Research Associate
Institute of Social Sciences, Belgrade
- Conduct research on demographic and social issues.
- Publish peer-reviewed papers.
- 2023 - 2026
Research Associate
Institute of Social Sciences, Belgrade
- Produced the Demographic Challenges in Serbia virtual exhibition.
- Conducted multiple research projects.
- Published peer-reviewed papers.
- 2022 - 2025
Director of Technology
Catalyst Balkans, Belgrade
- Directed technical strategy for the organization's regional platforms, including GivingBalkans, Donacije.rs, and Neprofitne.rs.
- Built and scaled the digital infrastructure behind regional civic mobilization campaigns.
- Led CiviCRM deployments for regional nonprofits, covering donor management, volunteer tracking, and communications.
- Integrated payment gateways and automated recurring-donation processing for online fundraising.
- Managed a cross-functional IT and data team, technology budgets, and vendor relationships.
- 2018 - 2022
Chief Data Scientist
Catalyst Balkans, Belgrade
- Member of the senior management in charge of strategic decisions, directing the data and IT teams.
- Led the development of the data pipelines behind the Giving Balkans database, structuring regional philanthropy data collected since 2014 for research and API access.
- Led the development of a media-article relevance classifier for regional languages, substantially reducing manual data entry.
- Led the integration of large language models into the classification and tagging of philanthropy and media data across the Western Balkans.
- Developed the interactive data visualization tools used in the annual regional philanthropy reports.
- 2018 - 2022
Research Assistant
Institute of Social Sciences, Belgrade
- Published ten peer-reviewed papers.
- Defended a doctoral dissertation on premature mortality in Serbia.
- 2017 - 2018
CiviCRM Product Owner
Catalyst Balkans, Belgrade
- Developed and implemented CiviCatalyst, a SaaS CRM product for nonprofits in the Western Balkans, based on CiviCRM open-source project.
- Developed GivingBalkans web application, a philanthropy intelligence tool.
- Worked with dozens of civil society organizations across the Western Balkans on adopting the platform and adapting it to their donor management and communication needs.
- 2015 - 2016
Volunteer Researcher
Institute of Social Sciences and The University of Belgrade, Faculty of Geography
- Contributed to the project "Researching Demographic Phenomena for the Purpose of Public Policies in Serbia".
- 2014 - 2015
Demonstrator
The University of Belgrade, Faculty of Geography
- Taught lab sessions in Business Statistics.
- Taught lab sessions in Computing.
Funded Research Projects
- 2024 - 2025
Trust and Usage of LLMs in the BCMS Language Sphere
Open Society Foundations, Western Balkans
- Role: Principal Investigator.
- Outcome: Trust Over Creepiness — AI Chatbot Perceptions in Balkan Countries (International Journal of Human–Computer Interaction), with the four-country survey data, code, and materials openly released on OSF.
- 2024 - 2025
Social Sciences Advancement Initiative
The Ministry of Science, Technological Development and Innovation of the Republic of Serbia, through the Serbia Accelerating Innovation and Entrepreneurship Project (SAIGE)
- Role: Principal Investigator.
- Outcome: Generational Divide in AI Adoption for Academic Writing — Evidence From Serbian Social Scientists (Social Science Computer Review), based on a survey of social scientists in Serbia.
- Outcome: a training program for early-career social scientists in Serbia and the wider Balkans, combining online courses with one-on-one mentorship in academic writing, publishing, data visualization, and the responsible use of AI in research.
- 2022 - 2023
Alternative Energy in Serbia? - “Yes, but Not in My Backyard!”
Open Society Foundation, Serbia — “Serbia and Global Challenges: Towards Fairer and More Democratic Public Policies 2” program
- Role: Principal Investigator.
- Outcome: Public perceptions of fossil and alternative energy in Serbia — Between NIMBYism and nationalism (Energy Policy), together with a Serbian-language policy brief on the energy transition.
- 2021 - 2022
Predupredimo.rs
Open Society Foundation, Serbia — “Serbia and Global Challenges: Towards Fairer and More Democratic Public Policies” program
- Role: Principal Investigator.
- Outcome: predupredimo.rs, a public interactive tool mapping premature mortality and PM2.5 air pollution across Serbian municipalities.
Invited Talks & Presentations
- 2025
Premature Mortality as a Neglected Demographic Challenge
Serbian Academy of Sciences and Arts (SANU), Belgrade
- Invited talk at the first panel convened by the Academy newly formed Board for the Study of Population.
- 2018
Using R for Social Network Analysis of Philanthropy — Leveraging Relational Data for Smarter Giving
satRday Belgrade 2018, Museum of Science and Technology, Belgrade
- Conference talk on using R and graph theory with relational data to map donor and beneficiary networks in the Western Balkans.
Service & Memberships
- 2023 - now
Deputy Editor
Stanovništvo (Journal)
- Led the revision of the journal editorial policies and its successful application for indexing in Web of Science.
- Introduced anti-plagiarism screening into the peer-review workflow.
- Extended the journal online platform with full-text article display, automated reviewer certificates, a customized submission process, and theme improvements.
- 2024 - now
Member of the Ethics Committee
Institute of Social Sciences, Belgrade
- 2018 - 2024
Member of the Presidium (Secretary)
The Association of Demographers of Serbia
- Organized the International Scientific Conference "Population in Post-Yugoslav Countries: (Dis)similarities and Perspective", held in Belgrade in April 2024 with participants from eight countries.
- 2018 - now
Member
The Association of Demographers of Serbia
Research Areas
- Population health and mortality
- Public attitudes toward AI
- Philanthropy and civil society
- Demographic and social policy
Methods
- Survey research
- Social network analysis
- Spatial analysis
- Demographic methods
- Psychometrics
- Statistical modelling
- Data visualization
- Reproducible research