Centenal Tax Group, based in Folsom, Calif., has acquired six bookkeeping and tax firms in California. Centenal also named Zachary VandeKamp as CEO and said it plans to buy four more firms.

The Internal Revenue Service has appointed nine new members to the Electronic Tax Administration Advisory Committee. ETAAC is a public forum for discussion of issues in electronic tax administration, which works with the Security Summit, a collaboration of different levels of government to fight identity theft and refund fraud.

BBD, a Philadelphia, Pa.-based accounting firm, has hired Brian Page to work in its Not-For-Profit Group. BBD says it serves more than 250 NFPs in the the Delaware Valley and Mid-Atlantic areas.