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More Speed Dating Wisdom from Ms. Avi: If you feel at all awkward standing alone at a bar (highly likely given that you're Jewish), bring a friend along because there will most likely be up to 30 mins of "mixing and mingling" before the event starts. Better yet, go speed dating with a friend; that way you'll have someone to hang around the bar with before the dating begins (and it's a lot of fun to gossip about who you met with afterwards). But separate (sit separately) once the dating begins, as to not distract each other with funny faces.
One Last Tip for Him: Men will often times show up to speed dating events in suits thinking..."oh, well she'll think I have a great job and loads of money if I wear a suit." Women actually think that wearing a suit to speed dating is pretentious and more likely than not, he may be compensating. Sorry, but true.