---
title: Guttorm Sindre
type: entity
tags: [person, academic, conceptual-modelling, sequal, ntnu]
sources: ["[[sources/2006-krogstie-sindre-jorgensen-revised-sequal-framework]]"]
created: 2026-05-04
updated: 2026-05-04
---

# Guttorm Sindre

Professor of Computer Science at NTNU (Norwegian University of Science and Technology). Co-author of the original 1994 SEQUAL paper (Lindland, Sindre, Sølvberg, IEEE Software) — the foundational semiotic quality framework for conceptual modelling.

## Affiliation
- NTNU, IDI — currently.
- M.Sc. ('siv.ing.', 1988) and Ph.D. (1990) from NTH/NTNU.
- Associate professor in Software Engineering 1992–1995; in Information Systems at IDI/NTNU 1999–2003; promoted full professor 2003.
- Sabbatical at University of Auckland 2002/03.

## Why he matters here
- Co-originator of the **SEQUAL framework** (Lindland, Sindre, Sølvberg 1994) — the canonical semiotic framework for conceptual-model quality.
- Co-author of the **revised SEQUAL** ([[sources/2006-krogstie-sindre-jorgensen-revised-sequal-framework]]) extending the framework for active process models.

## Related
[[entities/john-krogstie]] · [[entities/havard-jorgensen]] · [[concepts/sequal-framework]] · [[concepts/process-model-quality]] · [[entities/ntnu]]