(Read more on the multifamily market.)

DALLAS-Faced with a senior vice president's exit, Transwestern Dallas has backfilled the slot to create a new multifamily team for investment sales. The shift has swung into motion this week.

Bob Helterbran, former vice president and head of Grubb & Ellis Co.'s multifamily team in Dallas, will replace Armand Charbonneau, a senior vice president who is ending an 18-year commercial real estate career to solo in the real estate securities arena as Mount Sherman Capital. Helterbran, starting out as senior vice president, will team with Charbonneau's eight-year partner, Mark Freeman.

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