For this user, his accounts tab shows three entries for "Database Administrators". It's the same account listed three times:
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Same here: stackoverflow.com/users/2753596/maksim-luzik – Deer Hunter Sep 18 '14 at 15:17
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1Possible duplicate of Why does Joe Friend (and a few others) have two Stack Overflow accounts, each tied to the same Stack Exchange profile? – Sonic the Curiouser Hedgehog Aug 8 '18 at 17:00
Looks like this profile got fixed up at some point along the way.
I did, however, clean up the dupe profile for the user mentioned in the comments. (The cause there was a duplicate row in a shared table we use to keep track of basic information about people's profiles for ease of access network-wide.)