Biographical Dates

1953 Born in Frankfurt am Main (P: L. Grahl, Clarence S.), Childhood and school attendence in Dresden, 1981 Marriage with Ingrid Adam, From 1984 to 2011 living in Berlin (when the wall was falling down), now in Dresden again. In new millennium long working and discovery stays in Switzerland (Basel). Since 2017 self-employed as pensioner.

Interests are travelling (especially through Europe, toujours France), hiking and cycling; German and world literature, European history and my own newspaper archive (since 1967). Besides I`m very engaged with genealogy research of my family.

In Publikationen I have published few reports in German language about history of Middle-Europe  and my travels and stays in these region.

Professional Life

Science and Teaching

Study on the Transport University „Friedrich List“ Dresden; (Railway operation, road traffic and logistic); 1978 degree in Traffic Engineering;

After that six years assistant in the chair Urban Transport (Transport University) and in Management Training Institute of Transport; lecturing and research activities; 1984 doctorate „Dr.- Ing.“

From Theory to Practice

Since 1984 working in Berlin (Owner-operated municipal road enterprise); first function group leader Traffic Engineering, then five years director for technical planning, assembly and maintenance of Traffic control systems and street lighting;

1990 – 1999 founder and Managing Director of „Berliner Licht- und Signaltechnik GmbH“ (Technical service and full system provider for Traffic control equipment).

I found myself again in „Who’s Who in the World“ 1997 and connected publications (See below)

Theory and Practice

From 1999 to 2017 independent Transportation Consulting Engineer in Berlin, Dresden and Basel.

Membership in professional and other associations: Swiss Association of Road and Traffic Experts (VSS) –  German Research Association for Road Traffic and Transportation (FGSV) – Institute of Transportation Engineers, Washington (ITE) – World Road Association (PIARC) – Association of Berlin merchants and industrialists (VBKI) – German Council on Foreign Relations (DGAP) – Association of Friends of the Baukultur Foundation