A dedicated core team, working with an extended network of designers and developers.

Erik Wingren

Partner, UX Design + Research

Erik brings 15+ years of experience designing and shipping digital products and services, allowing him to add unique value to…

Erik brings 15+ years of experience designing and shipping digital products and services, allowing him to add unique value to every aspect and stage of the product design process.

With a degree in anthropology, and graduate studies in creative business management and organizational development, Erik started his career in Design Research, but has expanded his toolbox over the years to span the full width of User Experience Design.

Before founding Interactivism in 2012, Erik worked in and around the LA startup / technology scene with companies like Idealab, Iconmobile, Sony Design Center, Myspace, and Science where he designed the UX for the launches of Dollar Shave Club and Dog Vacay.

As a consultant, Erik help clients develop brand- & product propositions that are informed and inspired by real people’s needs, behaviors and motivations.

Petra Wennberg Cesario

Partner, UI Design + Branding

Petra is an early internet pioneer with extensive experience designing effective brands and digital products for both Startups and Fortune…

Petra is an early internet pioneer with extensive experience designing effective brands and digital products for both Startups and Fortune 500 companies. Born in Sweden, she studied communication design at Art Center College of Design (Europe) in Switzerland, then completing her BFA in Graphic Design at Art Center College of Design in Pasadena.

Petra is the co-founder of NELAUX, a thriving meet up for UX designers and engineers in the NELA area. She is also a founding Executive Board Member at Innovate Pasadena, and organization with a mission to create a vibrant ecosystem of technology and design innovation in the greater Pasadena area that supports sustainable economic growth.

Mark Breitenberg

Director, Business Development

Mark is a writer, design educator and international design advocate. He is the former President of the World Design Organization,…

Mark is a writer, design educator and international design advocate. He is the former President of the World Design Organization, where he led the creation of the World Design Impact Prize. He served as the Dean of Undergraduate Education and Special Assistant to the President at ArtCenter College of Design, where he co-founded the Create Change Design Forums in China and received the “1,000 Talents Award” from the Chinese government. He was also the Provost at California College of the Arts in San Francisco. Mark is a founding board member and co-chair of Development for Innovate Pasadena. He has published widely on design education, innovation and creativity, as well as Shakespeare and literary history in a former life. He holds a PhD. in Literature and Critical Theory from the University of California, San Diego.

Julian Scaff

Director, UX + UI Design

Julian is a design director with expertise in UX, UI, IxD, creative strategy and futurecasting. He has a BA in…

Julian is a design director with expertise in UX, UI, IxD, creative strategy and futurecasting. He has a BA in Media Studies from Pitzer College, an MA in Film and Television from UCLA, and an MFA in Art and Design from the Dutch Art Institute. Early in his career he worked as a designer at NASA/JPL and Idealab, and was a creative director at JobTrak, Monster.com, and the non-profit Blue Planet United. For the past decade Julian has taught interactive media and design at universities in the Netherlands, Beirut, Qatar, St. Louis, and Los Angeles. Julian’s public speaking includes a TEDx talk titled “Designing Change for Good” on the need for design thinking to tackle the large, complex problems facing the world, and a keynote address at the Wonder Women Tech conference on the need for gender equality in the tech industry. In his spare time he makes electronic music, video art, and homemade pesto pizzas.

Josh Kunin

Director, Development

Josh is an internet veteran with 15+ years of experience. He has worked with some of the smallest and some of the…

Josh is an internet veteran with 15+ years of experience. He has worked with some of the smallest and some of the largest internet companies on the web. He lives, eats, breathes brand, UX and front end dev — He believes they all go hand in hand to build elegant user experiences. Self-taught by necessity and passionate about keeping his skills sharp.

Kristina Yu

UX + UI Designer

Kristina is a UI/UX designer and cheery human based in Los Angeles. After receiving her BA in Business Administration &…

Kristina is a UI/UX designer and cheery human based in Los Angeles. After receiving her BA in Business Administration & Marketing, she moved to the Bay Area to focus on design in grad school. Joining Momentum Design Lab, a UX/UI agency in San Francisco, Kristina worked as a Senior Designer spearheading projects from concept to completion for nonprofits, tech companies, startups and enterprise software. In 2014, she moved back to Los Angeles, her hometown, and has enjoyed working with Interactivism ever since. Kristina is an avid music listener, collects Funko Pop! figurines, practices Diamond Dallas Page yoga and is currently waiting for her Hogwarts acceptance letter.

Diana Barraza

UX + UI Designer

Diana is a Los Angeles-based UX/UI designer with a background in design, marketing, writing and research. After graduating from the…

Diana is a Los Angeles-based UX/UI designer with a background in design, marketing, writing and research. After graduating from the University of Southern California with dual BAs in International Relations and German, she received her MSc at the University of Edinburgh in Scotland and pursued continuing education in user experience design. Designing digital products ranging from enterprise software to mobile apps, Diana focuses on interaction design, user research, user testing, wireframing and prototyping. In her spare time, Diana plays guitar, collects records, ponders Game of Thrones theories and dreams about sushi.

Daniel Sinor

UX + UI Designer

Daniel is a designer with 15+ years of experience in User Experience, Human Computer Interaction, and Visual Design. He received his…

Daniel is a designer with 15+ years of experience in User Experience, Human Computer Interaction, and Visual Design. He received his Bachelors Degree from Art Center College of Design in 1995. After graduation, he moved to San Francisco where he co-founded Rocket Studios. In 2000, Daniel moved back to Southern California and has work on several large and smaller accounts via USWeb/CKS, IBM, The Phelps Group, MySpace, Primitive Spark, and Warner Bros. Entertainment. Since joining Interactivism in 2015, he has been engaged on the Local ID, PubMatic, ReachLocal, and Wynyard Group accounts. Daniel was born in Fremont, California and grew up on an Almond Orchard in the Capay Valley, near Sacramento.

Are you ready to take your product to the next level?

Get in touch