AUTHOR
Tomasz Lisiecki
Tomasz founded NerdCow in 2015. He leads the strategic side of every project – mapping the user journey, then pressure-testing it in workshops and live user tests before a line of code gets written. He has 15+ years of experience in web design and development.
Central to the business are his interests. His appreciation for psychology, business administration and design principles translate into functional websites that win.

Areas of expertise
- User-journey strategy & mapping
- Design-sprint & workshop facilitation
- User testing for niche/complex B2B products
- Conversion rate optimisation
- B2B SaaS & tech web design
More from Tomasz
Tomasz's articles
How to improve website navigation with testing and analytics
Hint: it’s not by using the same tips that everyone is reposting since 2012. So what’s the true improvement? It’s testing with your audience.
Solve problems in one hour with Lightning Decision Jam
Solving problems in a meeting is a bit of a myth. They drag on; the group gets overpowered by the loudest voices, and it usually ends with an email and an invitation to a follow-up meeting. What if I told you there’s an infinitely better way to do that? It takes just an hour, you can do it remotely and applies to any kind of problem.
Digital Psychology: How to Use It to Optimise Your B2B Web Design
Explore how web design psychology impacts B2B SaaS marketing. Learn how principles like anchoring, cognitive biases, and social proof shape decision-making.
How to use A/B testing to improve a low traffic website
High-traffic websites run A/B tests and decide on a variant that works better. In the case of a low traffic website, this isn’t possible. You would either have to wait forever for the arrival of any meaningful data, or invest a lot of money from the get-go. We assume none of these options is viable, otherwise you wouldn’t be here.
Are wireframes dead? Exploring their role in modern web design processes
Wireframes are a core component of modern web design, helping teams visualize layouts and user journeys early on. While evolving technology offers new design possibilities, wireframes remain essential for clear communication, cost-effectiveness, and user-centric results.