Hi, I'm Erin

I help you deliver measurable product improvements, lead more effective teams, and I tell stories about how I do it.

Hi, I’m Erin.

I help you deliver measurable product improvements, lead more effective teams, and I tell stories about how I do it.

My new book, β€œDesign for Impact: Your Guide to Designing Effective Product Experiments” is now available.

Things I can do for you

Conference talks

An engaging presenter for your next event. I inspire your audience and arm them with actionable tips.

Hands-on workshops

Level-up your team's approach to experimentation and design with an in-person workshop.Β 

Custom content

A published author to craft highly engaging, custom content for your business.

Things I can do for you

Conference talks

An engaging presenter for your next event. I inspire your audience and arm them with actionable tips.

Hands-on workshops

Level-up your team's approach to experimentation and design with an in-person workshop.Β 

Custom content

A published author to craft highly engaging, custom content for your business.

Design for Impact: Your Guide to Designing Effective Product Experiments book by Erin Weigel on a bookshelf. Propped up against the book is a die cut sticker that says, "Make things betterβ€”not just different"
Get a free sticker when you order a paperback copy of "Design for Impact."

Design for Impact

Your Guide to Designing Effective Product Experiments

Design for Impact features the Conversion Design process to help you and your team drive business growth. In it, Erin Weigel gives you practical tips and tools to design better experiments at scale. She does this with self-deprecating humor that will leave you smilingβ€”if not laughing aloud.

The Good Experimental Design toolkit in the appendix presents everything you learn into step-by-step process for you to use each day.

Bonus! Get a FREE sticker when you order through this webshop.

 39,99 incl. VATAdd to cart

*This webshop serves EU customers only.

Keynote speaker

Erin Weigel talking on stage with a spotlight shining on her.
Erin Weigel on stage a GPeC Summit in Romania.

Need to "wow" a crowd?
Look no furtherβ€”I can help.
Choose from these topics:Β 

  • A/B Testing & Conversion Design
  • Experimentation Culture
  • Design Systems & Product Accessibility
  • Team Leadership & Management

Prefer something custom?
I do that, too!

Keynote speaker

Need to wow a crowd? Look no further.
I'm a keynote speaker at in-person and remote conferences around the world.
Choose from one of these topics:Β 

  • A/B Testing & Conversion Design
  • Experimentation Culture
  • Design Systems & Product Accessibility
  • Team Leadership & Management

Prefer something custom?
I do that, too! Let's chat about what you need.

Erin Weigel talking on stage with a spotlight shining on her.
Erin Weigel on stage a GPeC Summit in Romania.

Places I've spoken

I've given talks at these conferences, companies, and communities.

Spotify
Hotjar
Meta
Conversion Hotel
ConversionXL Digital Elite Camp
Growth Marketing Summit
Deliveroo
Conversionista!
Booking.com
Ladies that UX Amsterdam
Canva logo

Places I've spoken

I've given talks at these conferences, companies, and communities.

Spotify
Hotjar
Canva logo
Meta
Conversion Hotel
Growth Marketing Summit
Deliveroo
Conversionista!
Booking.com
Ladies that UX Amsterdam
ConversionXL Digital Elite Camp

Stuff to read

Articles and resources about design and experimentation.

Before/after color change with the colors blue, green, and black.

How Microsoft made big conversion gains with small color tweaks

Some of the most impactful experiments run on high-traffic websites involve improvements in color. The right colors can mean the difference between a buy and a bounce.

Read more
Control 13 people with 5 confounds. Treatment 7 people with 5 confounds. Warning! This is an SRM.

What you need to know about sample ratio mismatches (SRMs)

Randomization within experimentation is important. It’s how we isolate the change we aim to learn about. When randomization goes wrong, you can get an SRM.

Read more
The Good Experimental Design toolkit templates

The Good Experimental Design toolkit

The Good Experimental Design toolkit templates and checklist level-up your experimental design. As Ronald Fisher learned, experiment data is only as good as the design you put into it.

Read more
SRM calculator UI

Lukas Vermeer’s manual sample ratio mismatch (SRM) checker

Randomization is the hidden power behind A/B testing. When randomized properly, the confounds in your data are completely removed. This allows you trust any cause/effect relationship you might observe.

Read more
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