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I'm answering this question in context to my Industry i.e., Media, Events and Entertainment.
It's an interesting choice to shift from Operations to BD. Both weigh high on interpersonal skills. For an Ops person, it is the service providers and for BD, it's clients/customers. An Operations person can become a very good Sales person as his/her 'client speak' would include operational know how. This is a value-add for the client. The client normally relies on an operation savvy sales pitch as they get their answers from a single source. However, an operations person has to be diligent enough to cope up with targets, margins, competition amongs your other sales peers and not to forget client demands which are not limited to just operations.
I'm sure that if one has the will and the focus nobody can stop an operations person to qualify as a great Sales (BD) person.
If you want to have something that were not owned before . You will have to do something were not you do before