SumUp ∙ Head of Design & Product ∙ 2021

A world where everyone can build a thriving business

I led a design and product vision that accelerated merchant growth by unifying loyalty, acquisition, and free processing.

I achieved a weekly total payment volume (TPV) of $400,000 by transforming an ordinary European point-of-sale (POS) system into a robust US 'Growthg POS'


I led a design and product vision that unlocked loyalty self-onboarding for over 2 million European merchants.

SumUp Loyalty employed predictive machine learning to provide merchants with personalized program recommendations.

SumUp Self Serve Loyalty

Fivestars ∙ Head of Design ∙ 2017

Turning every transaction into a relationship

I led a design vision that turned payments into automated growth for small businesses by building an identity-driven payment terminal.

Fivestars Pay worked on any point-of-sale (POS) and generated over $500 million in annual total processing volume (TPV) in just 2 years.

Fivestars Pay

I led a mobile-first design vision that created a consumer network of 80 million users to drive uniquely effective merchant acquisition.

Fivestars Acquisition generated almost $100 million in yearly merchant revenue and grew Fivestars business locations from 3,000 to 12,000.

Fivestars Acquisition

Yelp ∙ Head of Design ∙ 2015

Connecting people with great local businesses

I led a user-centric design strategy that doubled mobile monthly active users (MAU) from 15 million to 29 million and net revenue from $150 million to $220 million.

This included revamping the existing core product and launching new initiatives like Request a Quote, NoWait, and Delivery.

Yelp mobile app

Yelp ∙ Lead Product Designer ∙ 2011

As Yelp's first product design hire I established critical design processes and design systems.

My designs grew mobile monthly active users (MAU) from 3 million to 15 million and from $0 to generating over 70% of Yelp’s revenue.

Yelp styleguide

Trevi ∙ Co-Founder ∙ 2011

Unlock your travel memories

I co-founded a mobile app that translated location data into photo driven stories.

Trevi meticulously organized over two million photos and generated tens of thousands of postcards, providing users with shareable content.

Trevi mobile app

Trevi was featured multiple times in the Apple App Store, on the Apple Website, and in Apple Retail Stores due to its innovative interface and delightful user-centric flows.

The app reached the top 10 in travel in 26 countries, including the United Kingdom, France, Germany, Spain, Italy, Mexico and Argentina.

Trevi featured

Springbok Agency ∙ Lead Designer

Award winning user experiences

As lead designer at Springbok Agency (formerly Netlash) I designed and developed award-winning user experiences and pioneering the world's first responsive website with navigational elements.

I was also a core contributor to open source content-management projects and open source 3D modeling projects.


Freelance ∙ Designer & Consultant

As a freelance designer and consultant, I've had the privilege of working with dozens of exceptional startups to build delightful user experiences.

My work has been featured in prominent publications and has been honored with multiple awards and patents.