| Organization/Institution | Position | Period |
|---|---|---|
| Ashoka University | Professor Emeritus | 2016 - Present |
| Ashoka University | Professor | 2014 - 2016 |
| Indian Statistical Institute, New Delhi | Professor | 2009 - 2014 |
| Indian Statistical Institute, Bangalore | Professor | 1996 - 2009 |
| Indian Statistical Institute, New Delhi | Reader | 1991 - 1996 |
| Indian Statistical Institute, New Delhi | Associate Professor | 1986 - 1991 |
| Indian Statistical Institute, New Delhi | Assistant Professor | 1980 - 1986 |