Here's a little bit...

About Me

portrait of Mark Guill
I am..

An enthusiastic product designer based in Silicon Valley, with a rich experience of over 8 years in website & product design.

I design professional & beautiful websites

With years of experience in app and web design, I have mastered the skills of understanding client requirements according to the latest trends. I have worked with businesses from different niches so you can rely on me for yours.

Over the past 8 years, I’ve delved into diverse design realms, ranging from front-end development, landing pages, and email design to shaping intuitive app UI/UX. Currently, I’m immersed in crafting products tailored for mobile platforms. My experience spans live projects, providing a wealth of insights for informed decision-making. I emphasize collaboration, offering a spectrum of options to explore together. Now, with an added focus on B2B and SaaS, I bring a versatile approach to elevate your design goals.




Senior Product Designer

Led the design of Booly, a mobile app connecting people in animal adoption/fostering. Conducted extensive user research, orchestrated workshops, and achieved an 85% positive rating in Zoom user testing for the app's mockups and prototypes.



Senior Product Designer

Collaborated with product management on a revamp of the B2B walkthrough tool 'Flows' for SalesForce, yielding a notable 10% boost in user engagement. Orchestrated user research, testing, and interactive workshops to inform design decisions, while maintaining design integrity and efficiency through a comprehensive design system in Sketch and Figma.



Senior Product & UI/UX Designer

Led UI/UX design for Convertly, a CMS tailored to SMBs, achieving a 75% increase in application adoption with a user-friendly website builder. Utilized comprehensive user research for informed, client-empowering design, including an intuitive customer dashboard and integrated digital ad platform. Collaborated with dev teams to ensure design vision alignment and maintained a Figma design system with Storybook components in HTML, CSS, and React.

And in my personal time here is what I enjoy

mark in brussels


I love to travel and experience other cultures and architecture.

cup of coffee


From espressos and lattes to local micro breweries, I enjoy the Brewing Culture.

game, board, catan


Enjoy playing board games and online games with family and friends.