I'm a Web Developer
I'm an iOS Developer
In 2008 I decided to go more low-level and started learning C and Obj-C. Together with my wife Valerie Reiss, Founder and Creative Director of MadameLeRenoir, I created 12 iOS Apps. Among other APIs I got familiar with Core Graphics and Core Animation. Since 2014 I rewrote some of our Apps using Swift.
I'm a TDD coach
I had the chance to participate an exclusive 3-day Workshop with J. B. Rainsberger (Thanks @uxebu!) and since then consider untested code as worthless in the long-term. Writing tests makes you sleep better and completely removes those moments of "I'm afraid of touching the code". As a side effect following the rules of TDD will heavily influence the way you code in a good sense. Since 2012 I offer TDD coaching.
I'm a certified ScrumMaster
CSM Certified ScrumMaster, License Number: 000522106, Certification URL: https://www.scrumalliance.org/community/profile/treiss.