I'm a designer, user experience expert and code-addict.

Welcome to the
portfolio of Johannes Holl

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Welcome to the portfolio of Johannes Holl

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Recently, I opened a
design studio called boana

Rethinking the process of crafting software with three amazing partners Visit boana

I worked in the creative direction
of Deutsche Telekom from 2011 to 2015

Designing style guides and products for one of Europes biggest organizations
Screenshot of Speedphone 10 Landingpage on different Devices

Responsive landing page in 2014

Cross-screen design and front-end development of landing page for Telekom hardware products. View site

Took four months off and traveled around the world in 2013 to 2014

I got inspired by visiting California, Fiji, New Zealand, Australia, Singapore, Malaysia and Thailand.

Overview of screen sizes and grid layouts

Designing and prototyping responsive grids and layouts in 2013

Dealing with multi-screen strategies for the creative direction of Deutsche Telekom, I designed responsive solutions for web-interfaces by iterating a bunch of prototype and layouts. These patterns were a conceptual framework for the production teams. Later we implemented these grid logic in the style-guide.

Working on international online store projects in 2013

Working together with Telekom designers in Romania, Croatia, Poland, Netherlands, Greece and other countries, I consulted design teams in ideation and production processes.

Style guides for
information architecture and user interface from 2012 to 2013

Working on an overarching style-guide for the international product landscape of Deutsche Telekom. I created guides for content organization, content views and navigation.


I ran a one-man agency
from 2006 to 2011

I ed working for my first big clients.
Screenshots of DCTP.tv

Design of the award-winning interface of DCTP.tv from 2008 to 2010

I designed a Web-TV from scratch in a time where television and web was somehow not belonging together. We won the Lead Award for the best Web-TV of 2010. More about this project

Designing the DCTP brand from 2008 to 2011

I developed sub-brandings and brand strategies, redesigned the logo, designed products for Print, Screen and On-Air Design and guided other designers by doing sound and animation design.
I set up a style-guide to determine principles for e.g. logo, type, text, icons and layout. More about this project

Products shots of Vita Verde Olive Oil and Tapenade

Building brand and products for an organic olive oil producer from 2009 to 2010

Communication strategy, brand redesign, packaging and print designs for the brand Vita Verde. Sold in organic food stores in Germany.

Layout guideline for a range of DVD-sets from 2009 to 2011

Designing a range of DVD sets including booklets, packaging and after sales materials for a co-branding of different European publisher brands, like SPIEGEL, DCTP and NZZ. Creating and implementing guidelines that are still used to date. More about this project

Screenshots of VEMAC corporate website

Corporate website for a mechatronic company in 2009

Refreshing the brand, exploring a visual language, art directing photo-shoots and developing the corporate website for VEMAC's high-tech engineering components.


I studied design
from 2003 to 2008

Meanwhile I used to make some designing things and websites

Ecological design was the focus of my thesis in 2008

I completed my studies at KISD with an innovative product concept for hobby beekeepers. The redesign of traditional beehive architecture enables the harvesting of honey in a less expensive and complex way.
The concept was nominated for the Cologne Design Award and exhibited at the Museum of Applied Arts.

Extracts from sientific studies

Scientific essays on design theory

I analysed phenomena like seals or abrasion from a design-theoretical perspective. Focusing on semiotics and psychology to understand the relation between man and objects.

Side and front view of plastic chair with seat cushion and backrest.

Sold my first industrial product
in 2006

I developed the design for a seat cushion for football stadiums in the second semester. Later I partnered with the company Ajax GmbH (PU Plastics). Together we pushed the product all the way through to realisation. The seats are still in use at the cologne football stadium.

Studying abroad in Brazil and Austria in 2005 and 2007

Industrial design at FH Joanneum in Graz, Austria. Mainly designing housings for electronic devices and taking drawing classes.
Interface design at UFPR in Curitiba, Brazil - besides my studies I experienced the culture, learned Portuguese and rocked the beach.


First steps in coding software
at the age of 18

My friends sometimes worried about
the amount of time I spent in front of the
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