with the following profile I applied to MIT Sloan(dinged), Tuck(waitlisted then dinged), Kellogg MMM(dinged after interview), Johnson (dinged without interview), Tepper (dinged without interview). My question is: what could have gone wrong with my profile at the outset? Which schools do u suggest given my LT ST goals and esp my age? Should I take GMAT instead of GRE? How much should I aim for?

Indian, 34, 2 masters after Bachelors in Engineering (one in engineering, one in Industrial Design from IIT), WE 9yrs, currently Senior Innovation Manager in a Telecom company in India, GRE 326 (168Q 158V 4.5AWA)
long term goal: my own innovation/ strategy consulting company
short term: joining a strategy consulting firm with global footprint
intl exp- 6 months, out of which 4 months at Samsung Design HQ, Seoul

extra curricular:
-part of an award winning NGO into human powered technology
-have an art and design focused company
-was an international baseball player as a child
-won innovation and design competitions (national and international)
-won essays writing and quiz competitions at national level

Thanks so much madam/ sir.