Sethi, apart from being the chief strategy planning officer at Grey Asia Pacific, was also the national planning national planning director at Grey India.
Sethi, who has spent more than two decades in the advertising and marketing industry, began her career at the Indian Market Research Bureau (IMRB), New Delhi as a research trainee. From IMRB she moved to HTA (now JWT) in the strategic planning function where she rose to the position of senior vice president & national planning director. At JWT she got the opportunity to work on brands such as Horlicks and Maggi.
She was instrumental in creation of JWT's social communications division Thompson Social which redefined the role of communications in the adoption of new health practices amongst rural and suburban populations.
From JWT, she had moved to Hindustan Lever Limited (Unilever) as general marketing manager innovation on its hair care business in 2002.
Sethi has also won the WPP Atticus award for original thinking, wherein she had presented her paper on 'Understanding India through advertising'.