# Phil Diegmann

> Software engineer and information systems researcher. LLM evaluation, data pipelines, digital trace data and agile delivery. Remote from Europe.

## Work

- [FeedForward: formative feedback for open-ended process modelling tasks](https://dgmn.eu/work/feedforward-llm-feedback/index.md): A SolidJS web application for individual feedback on open-ended BPMN tasks, without grading by AI. Deterministic checks run first, the AI suggests and phrases, and the instructor decides every finding that reaches a student.
- [LLM judges for BPMN process model annotation](https://dgmn.eu/work/bpmn-llm-judges/index.md): LLM judges label a process model dataset, but their labels only become training data after agreement with human experts is measured.
- [Trace data pipeline for open-source coordination research](https://dgmn.eu/work/trace-data-pipeline/index.md): 8 open-source projects, 1,169,489 actions, 93 major releases, prepared as time-ordered event sequences. Published in MIS Quarterly (2024).
- [Pseudonymised linking of survey and trace data](https://dgmn.eu/work/telecom-pseudonymised-linking/index.md): A hashing and pseudonymisation scheme that links survey responses to the same team's Jira and GitLab trace data without re-identifying individuals.
- [Android migration of a B2B task-management and location-tracking app](https://dgmn.eu/work/android-migration/index.md): Led the migration of a B2B task-management and location-tracking app from Windows Embedded CE to Android, rolled out to several hundred devices. The team grew from one developer to four; I onboarded, reviewed and paired with the new developers and introduced Scrum.
- [Self-hosted Kubernetes platform across home and cloud](https://dgmn.eu/work/kubernetes-platform/index.md): A Talos Kubernetes cluster across home nodes and a cloud VPS, with single sign-on, DNS, tunnels and encrypted secrets, all managed as code.
- [Reproducible team metrics from GitLab for project courses](https://dgmn.eu/work/dip-metrics/index.md): Same snapshots in, byte-identical scores out, and every ambiguous rule decision recorded. The lecturer keeps the grade.

## Research

- [The Entrainment of Task Allocation and Release Cycles in Open Source Software Development](https://dgmn.eu/research/misq-relational-events/index.md): MIS Quarterly 48(1), 67–94, 2024. Task allocation and release rhythms in open-source projects become entrained over time. The coupling can be measured and re-tested once algorithmic contributors join.
- [Investigating the "Socio" in Socio-Technical Development: The Case for Psychological Safety in Agile Information Systems Development](https://dgmn.eu/research/psychological-safety/index.md): Project Management Journal 52(1), 11–30, 2021. Psychological safety matters for multidisciplinary agile teams, so that problems surface early.
- [The Impact of Modes, Styles, and Congruence of Control on Agile Teams: Insights from a Multiple Case Study](https://dgmn.eu/research/control-agile-teams/index.md): HICSS 53, 6247–6256, 2020. Control mechanisms may need to fit the style of the team. A mismatch between control and team style can create friction.
- [“The Second Vice is Lying, the First is Running into Debt.” Antecedents and Mitigating Practices of Social Debt: an Exploratory Study in Distributed Software Development Teams](https://dgmn.eu/research/social-debt/index.md): HICSS 54, 6826–6835, 2021. Social debt is the accumulated coordination and communication liability of a team. Tracking it alongside technical debt may help distributed teams spot problems that code metrics do not show.
- [Journey Towards Agility: Three Decades of Research on Agile Information Systems Development](https://dgmn.eu/research/icis-2018-journey-agility/index.md): ICIS 2018, pp. 1–17, 2018. A map of the agile information systems development field and its open questions, plus a methodological template for combining manual and computational literature analysis.
- [In for a Penny, in for a Pound? A Lifecycle Model for Agile Teams](https://dgmn.eu/research/hicss-2020-lifecycle-agile-teams/index.md): HICSS 53, 6207–6216, 2020. A lifecycle phase model of agile transformation, with the barriers and threats organisations encounter. Use it to anticipate stages and risks in an agile change programme.
- [Team Performance in Agile Software Development Projects: The Effects of Requirements Changes, Time Pressure, Team Diversity, and Conflict](https://dgmn.eu/research/irwitpm-2017-team-performance/index.md): IRWITPM 2017, pp. 18–32, 2017. A structured way to think about requirements volatility, time pressure and conflict in agile teams.
- [Evolution of Platform-based Open Source Ecosystems: Uncovering Socio-Technical Dynamics Using Digital Traces](https://dgmn.eu/research/icis-2019-open-source-ecosystems/index.md): ICIS 2019, pp. 1–9, 2019. Methodological precursor to the MIS Quarterly paper; anticipates work on algorithmic actors in open development communities.
- [Understanding Cognition in the Development of AI-based Systems: An Exploration of Cognitive Fit and Supporting Mechanisms](https://dgmn.eu/research/hicss-2024-ai-cognition/index.md): HICSS 57, 800–809, 2024. Relevant to designing AI tools for business-side users. A direction of travel, not an established AI-development record.
- [Influence of Communication on Client Satisfaction in Information System Projects: A Quantitative Field Study](https://dgmn.eu/research/pmj-2017-client-satisfaction/index.md): Project Management Journal 48(1), 81–99, 2017. Communication practice is a lever for client satisfaction that project managers control directly.
- [Influence of Communication on Client Satisfaction in Information System Projects: A Quantitative Field Study](https://dgmn.eu/research/irwitpm-2015-client-satisfaction/index.md): IRWITPM 2015, 2015. Communication practice is a lever for client satisfaction that project managers control directly.
- [Putting the "Socio" in Socio-Technical Development: Investigating the Effects of Psychological Safety in Agile Information Systems Development](https://dgmn.eu/research/dissertation-socio-technical/index.md): Doctoral dissertation, Universität zu Köln, 2021. Psychological safety matters for multidisciplinary agile teams, so that problems surface early.
- [What Drives Online Repurchase Intention? A Replication of the Moderating Role of Perceived Effectiveness of E-Commerce Institutional Mechanisms](https://dgmn.eu/research/aistr-2018-online-repurchase/index.md): AIS Transactions on Replication Research 4(1), 2018. A replication of an e-commerce study on repurchase intention, testing whether the moderating role of institutional mechanisms holds.
- [A Three-Pronged View on Organizational Agility](https://dgmn.eu/research/it-professional-2021-agility/index.md): IT Professional 23(2), 89–95, 2021. A practitioner-oriented view of organisational agility from three perspectives, for managers planning agile change.
- [Datenmarktplätze für Künstliche Intelligenz im Gesundheitswesen: Potenziale, Herausforderungen und Strategien zur Bewältigung](https://dgmn.eu/research/hmd-2022-datenmarktplaetze-ki/index.md): HMD Praxis der Wirtschaftsinformatik 59(6), 1527–1544, 2022. Potentials, challenges and strategies for AI data marketplaces in healthcare, for organisations deciding whether and how to share data.
- [Digitalisierung im Gesundheitswesen: Auswirkungen auf die Arbeitswelt von Morgen](https://dgmn.eu/research/impulse-2022-digitalisierung-gesundheitswesen/index.md): Impulse für Gesundheitsförderung (magazine contribution), 2022. Effects of digitalisation in healthcare on the working world of tomorrow, written for a practitioner readership.
- [Wie nehmen Arbeitnehmende die Digitale Transformation und ihre Auswirkungen wahr? Validierung eines Messinstruments auf Basis der Theory of the Smart Machine](https://dgmn.eu/research/springer-2024-arbeitswelten-digitale-transformation/index.md): In S. Pfeiffer et al. (Eds.), Digitalisierung der Arbeitswelten, pp. 503–529. Springer VS, 2024. A validated measurement instrument for how employees perceive digital transformation and its effects, usable by organisations measuring change.
- [How Do Employees Perceive Digital Transformation and its Effects? A Theory of the Smart Machine Perspective](https://dgmn.eu/research/icis-2022-employees-digital-transformation/index.md): ICIS 2022, 2022. How employees perceive digital transformation and its effects, from the Theory of the Smart Machine perspective.
- [Critical Success Factors in Agile Management: Insights for Large-Scale Interdisciplinary Projects from an Exploratory Single Case Study](https://dgmn.eu/research/amcis-2020-critical-success-factors-agile-management/index.md): AMCIS 2020, 2020. Critical success factors for agile management in large interdisciplinary projects, from an exploratory single case.
- [Journey Towards Agility: A Retro- and Prospective Review](https://dgmn.eu/research/hicss-2019-journey-towards-agility-review/index.md): HICSS 52, 2019. A retrospective and prospective review of agile information systems development research, for planning future work in the field.
- [Putting the "Socio" into the Development of Socio-Technical Systems](https://dgmn.eu/research/irwitpm-2018-socio-technical-systems/index.md): IRWITPM 2018, 2018. Socio-technical perspective on system development, emphasising the social side of building information systems.
- [Journey Towards Agility: Where Are We Now and Where Are We Heading?](https://dgmn.eu/research/icis-2017-journey-towards-agility-where/index.md): ICIS 2017, 2017. A status review of agile information systems development research and its open directions.
- [Measuring the Effect of Team Diversity and Collective Intelligence in Agile Teams on Software Development Efficiency](https://dgmn.eu/research/amcis-2017-team-diversity-efficiency/index.md): AMCIS 2017, 2017. Measured link between team diversity, collective intelligence and development efficiency in agile teams.
- [Team Diversity and Performance: How Agile Practices and Psychological Safety Interact](https://dgmn.eu/research/icis-2017-team-diversity-performance/index.md): ICIS 2017, 2017. How agile practices and psychological safety interact to shape the performance effects of team diversity.
- [Improving Software Development Efficiency: How Diversity and Collective Intelligence Shape Agile Team Efficiency](https://dgmn.eu/research/irwitpm-2016-diversity-efficiency/index.md): IRWITPM 2016, 2016. How diversity and collective intelligence shape agile team efficiency, for managers staffing software teams.
- [Benefits of Augmented Reality in Educational Environments: A Systematic Literature Review](https://dgmn.eu/research/wi-2015-augmented-reality-education/index.md): WI 2015, 2015. A systematic review of where augmented reality helps in educational settings, for educators deciding whether to adopt it.

## Teaching

- [Designing Digital Products and Processes for Business Analysts](https://dgmn.eu/teaching/practitioner-courses/index.md): I co-designed and delivered practitioner courses on digital product development, process management and agile methods.
- [New Forms of Development](https://dgmn.eu/teaching/new-forms-of-development/index.md): Master's course on project-driven low-code development, designed and assessed fully online. The digital portfolio replaces the written final examination.
- [PRAXIS Summer Camp](https://dgmn.eu/teaching/praxis-summer-camp/index.md): One-week intensive format in which student teams work on real problems set by industry partners. I supervise teams, co-organise the format and act as the academic contact for the partners.
- [Thesis supervision](https://dgmn.eu/teaching/thesis-supervision/index.md): More than 86 bachelor's and master's theses supervised since 2015, through regular one-to-one meetings, written feedback on drafts and the final assessment.
- [Information Systems & Business Process Management](https://dgmn.eu/teaching/information-systems-bpm/index.md): Process modelling with BPMN. FeedForward grew out of this course; the BPMN LLM judges project is related.
- [Capstone Project](https://dgmn.eu/teaching/capstone-project/index.md): Converted to a fully online, flipped-classroom format with a redesigned digital assessment. I ran a two-week crash course in React and Tailwind CSS for student teams building prototypes.
- [Digital Innovation Project](https://dgmn.eu/teaching/digital-innovation-project/index.md): A semester-long, team-based development project that applies Digital Innovation concepts, designed for online delivery with GitLab-based milestones.
- [Database Systems](https://dgmn.eu/teaching/database-systems/index.md): SQL course converted to an online, flipped format with digital assessment. Both formats were kept after the pandemic.

## Optional

- [CV](https://dgmn.eu/cv/index.md): Full curriculum vitae
- [Publications](https://dgmn.eu/research/publications/index.md): Full publication list with DOI links