Initiator
person who first suggests buying the product/service
Influencer
person who views influence over members of the buying center
Gatekeeper
controls info or access to decision makers/influencers
Decider
determines buying
Buyer
actual purchaser
User
consumes/uses the product
Autocratic
one person makes decision alone
Democratic
majority rules
Consultive
1 person makes decision but near input from users
Consensus
ALL members must agree
New buy
customer purchases good or service for first time
Modified rebuy
purchaser who wants some new or improved version of an existing product
Straight rebuy
most common, some familiar product, producer does NOT look for new info or vendors