A more appropriate sentence for “I hope you are the right person to ask.” [closed]

Solution 1:

Dear Professor Zoom,

I am studying psolimestry, and my research has revealed that you are an expert in this field.

I would be very grateful if you could find the time to resolve some of my doubts.

The first matter I find difficult to understand is . . .

I am also struggling with a contradiction between . . .

I do hope you can advise me.

Yours sincerely,

Weather Vane

Solution 2:

I think personal choice is going to be the deciding factor here. I would say, "I assume I am addressing this question to the right person(s)."