| 2015 |
Editor of the practice series "Autism Concrete" by Kohlhammer Publishing |
| 2014 | Supervisor
DGVT (German Society for Behavior Therapy) |
| 2013 | Supervisor BCBA (Board Certified Behavior
Analyst) |
| 2012 - 2014 |
Deputy Chair of the Institute for Research in Autism, Jacobs University of Bremen |
| 2009 - 2012 | Consultant
and Supervisor at
Pacific
Child and Family Associates |
| 2009
- 2013 | Lecturer at the Department of Psychology,
University of
Hildesheim |
| Since 2007 | BCBA
(Board Certified Behavior Analyst) |
| Since
2006 | International consultant |
| Since 2005 | Trainer for the German Association
of
Behavior Therapy (DGVT) |
| 2003
- 2014 | Editor of the Autism News of Orange County and
the Rest
of the World |
| Since
2001 | Consultant at Wee Care Singapore: Early Intervention and Rehabilitation |
| 1992 - 2002 | Editor
of the Autism News Singapore |
| 1988
- 2001 | Senior Lecturer and Associate Professor, Department of Social
Work & Psychology, National University of Singapore; Head of the Autism Research
Center and the Behavior Intervention Center for Children (BICC), National University
of Singapore |
| 1989
- 1998 | Coordinator of the STEP Program (Structured Teaching Program
for Exceptional Children),
Rainbow Center, Singapore |
| 1988 - 1989 | Coordinator of the Early Intervention
Project, Rainbow Center, Singapore |
| 1981
- 1988 | Head of the Psychological Services and school psychologist
at the Rehabilitation Center Johannes-Anstalten Mosbach |
| 1977 - 1981 | Parent trainer and assistance director
at the Los Ninos Center, San Diego (now: Sam & Rose Stein Education Center) |
| 1976 - 1977 | Research
assistant at the Department of Clinical Psychology, University of Göttingen |
