Alexandra Lebenthal will serve as co-CEO of Lebthanal Holdings, having previously been CEO, alongside Barbara Yastine, who has just joined the firm from Ally Bank. Alexandra Lebenthal will also continue as CEO of the company's broker-dealer arm.

Andrew Grillo will remain as president and COO of Lebenthal Wealth Advisors, reporting to Alexandra Lebenthal.

Meanwhile, James Lebenthal will continue as CEO of Lebenthal Asset Management, and as chief investment officer of Lebenthal.

Yastine was previously chair, CEO and president at Ally Bank, the $100 billion bank subsidiary of Ally Financial.

Lebenthal Wealth Advisors is an SEC-registered investment advisor offering wealth advisory services and products for high net worth individuals and institutions.