sharon freundel gave a lecture on dealing with traumatic incidents at a jewish school in maryland on march 22 .
she is the wife of barry freundel , longtime rabbi at washington , dc 's kesher israel congregation , who was arrested in october .
freundel was caught filming women changing in the congregation 's ritual bathroom .
he pleaded guilty to 52 charges of voyeurism in february and is set to be sentenced on may 15 .