Plaus, who announced his retirement from Merrill Lynch last February, will lead Citi Private Bank North America. He succeeds Halé Behzadi, who will be retiring at the end of March.
Lance and Gideon Drucker, who had been with Hornor, Townsend & Kent for over 40 years, will use Fidelity and Altruist for custody, and PKS for brokerage business.
RFS Financial Securities President David Miller said the acquisition factored into the move, saying the firm wanted to take control of its own destiny.