John Casinelli
President
John opened the doors to Whitemarsh Jewelers in
1981. Having managed both department stores and a
large jewelry company in Philadelphia, he offers
the background and experience required to meet the
needs of the most discerning customers.
John holds an accounting degree from Philadelphia
University and is a GIA (Gemological Institute of
America) graduate in Diamonds.
His diamond knowledge helps customers purchase
confidently within any price range.
John is also an active member of the community,
serving many organizations through fundraising and
community events.