My personal expiereince with Herr Janikovits was very positive, and I would highly recommend him to a friend or colleague. One can see he has a passion for the matierial, and teaching/training overall. If you want to learn and grow, and he can spend a little more time to go over a topic, he will. That helped me a great deal (sogar mit deutsch als Fremdsprache). I would much prefer that to a consultant who maybe gives advice, but is also watching the clock to maximize the billable hours. If you're like me and received a Gutschein from the Bundesagentur, you will get ONE CHANCE to do something with it. Choose wisely.