"Ivan Schultheiss is an absolutely reliable business partner. Professional, charming and honest - always bound by the issues and the business, but with plenty of understanding for the needs of the client. He also has the ability to act analytically, competently and quickly when faced by complex or stressful situations."
Claude Baumann, Founder and Editor-in-Chief of finews.ch and finews.asia, Zurich/Singapore
"ISC Consulting shows a flair and keen understanding for a business and its relevant markets."
TFL Ledertechnik AG
"If you're looking for an enthusiastic and competent partner in the Out of Home business then Ivan Schultheiss is simply the man for the job. He knows how to combine professionalism with reliability, spiced with a dash of humour and informality. Working together with him is simply enjoyable!"
Jan Maurer, Marketing Head, Baechli Bergsport AG, Naenikon/Zuerich
"Ivan Schultheiss knows the market, its mechanisms and the and what makes it tick. He has a widespread network, has a pragmatic approach, is very likeable - and he's quick"
Sandro Rüegger, Partner Roy C. Hitchman AG, Executive Search – Zürich
" ISC Consulting & Networks AG - or Ivan has supported me for several years on business strategy issues and in the area of sales. With his comprehensive know-how, as well as his highly developed social skills, he has become an indispensible sparring partner. In addition we have successfully completed several projects in the marketing and communication fields. Ivan can be relied on to carry out his work on a very professional basis. I cannot imagine a better cooperative scenario."
Pascale Hoch, Chief Executive/Owner KRAFTKOM, St. Gallen