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Meet our coaches

Antonela Debiasi

Antonela is a product design lead focusing on usable security. She is interested in critical internet infrastructure, security, privacy, open-source communities, decentralization, and feminism as an intersectional practice.

She designs security for humans at MetaMask. During the night shift, she is part of 0xche, the non-for-profit collective that plays offensive hacking to strengthen the security systems of activist and civil society organizations in Latin America.

Before, she led the User Experience team at The Tor Project, focusing on providing a usable privacy-enhanced experience while browsing the Internet in the global south.

Scott Jenson

Scott Jenson has been doing user interface design and strategic planning for over 30 years. He worked at Apple on System 7, Newton, and the Apple Human Interface guidelines. He was UX director of Symbian, VP of product design for Cognima, managed mobile UX for Google and was a creative director at frog design in San Francisco.

Scott returned to Google in 2013 to lead the Physical Web project and research future Android UX concepts. In 2021, Scott left Google to explore more FOSS, coaching, and mentoring roles.

As a battle-scarred veteran of the software industry, Scott has shipped a consumer spreadsheet, been a part of 2 Mac OS releases, 5 Newton product cycles, 4 commercial website revisions, designed 3 different mobile phone UIs, sworn at innumerable mobile browsers, and has over 30 patents.

Susan Farrell

As the principal UX researcher at All Turtles since 2017, Susan collaborates with early-stage software product teams to build great user experiences.

Prior to joining All Turtles, Susan spent 18 years at Nielsen Norman Group. She was their first user-experience specialist, and there she engaged with companies in many industries — multinationals, government, open source, and early startups — on website and mobile-device usability, interaction design, and information architecture.

Susan’s early professional experience included working on the first websites at Silicon Graphics in 1995, then moving on to Sun Microsystems as an interaction design engineer on the Solaris team in 1997.

Susan Farrell served on the advisory councils for both OTF and the UTEST community.