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Domain Expertise and the Business Analyst: How Vital Is It?

Karl Wiegers
Analyst’s corner
Published in
6 min readMar 10, 2025

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The question of how essential domain expertise is to a business analyst (BA) is a recurring debate in the BA community. One school of thought maintains that domain knowledge is not critical. A skilled BA, the thinking goes, can walk into nearly any project situation and do an effective job, relying on previous experience and a rich tool kit of techniques. The counterargument avers that an analyst who has deep subject matter knowledge can be far more effective.

I have experienced both situations, from inside a company as an employee and outside as a consultant. This article offers some thoughts about when domain knowledge is valuable, when it’s essential, when it’s not necessary, and when it can actually pose a risk. What's your perspective on this issue?

Domain Experience Matters!

I began my career as a research scientist at Kodak for a few years before transitioning into software development. Then I developed applications for other scientists and technicians in the Kodak research labs. I found that my experience in chemistry and photographic science was highly valuable as I worked with researchers to understand their requirements…

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Analyst’s corner
Analyst’s corner

Published in Analyst’s corner

All aspects of organisational analysis: business analysis | enterprise architecture | quality

Karl Wiegers
Karl Wiegers

Written by Karl Wiegers

Author of 14 books, mostly on software. PhD in chemistry. Music, wine, and military history fill the voids. karlwiegers.com. Preferred tool: Gibson Les Paul.

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