Behind the scenes of building an ethical data firm.

Leading with data, ethics
and intention

In this space, i-spark’s founder Tamara de Heij shares personal reflections on the evolving relationship between data and people. 

What happened when I took my own data seriously?

I’ve worked with data for 25+ years. I love structure, measurement, insight, and improvement.But last year gave me the chance to apply those principles to something more personal than any project I’d worked on. Hi, I’m Tamara, Data Analyst and Managing Director at i-spark. Last

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Integrity isn’t about words or intentions

Integrity isn’t about words or intentions. It’s about what you do when the stakes are real. At one point, I was running two projects for the same client: one fixed-price, one time-and-materials. On the fixed-price project, we had badly underestimated and ended up spending far

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Ethical business should not be ”just a slogan”

When harmony is disrupted, is your instinct to defend or to reflect? Ethical business should not be ”just a slogan”. For me personally, it’s something that sits deep in my core. It’s about a deeply rooted sense that things should feel right. That translates into

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What does ethical business mean to us?

Every thought shared here is rooted in i-spark’s belief that data can serve people, not the other way around. Discover our ethical framework that guides how we work, decide, and grow.