The Rosenberg family is involved in various commercial real estate ventures. Stephen Rosenberg founded Greystone, a commercial real estate finance firm, over three decades ago. He has focused on strategic opportunities, particularly in the affordable housing sector. Jeffrey Rosenberg joined Big V Property Group as President and CEO in 1997 and has led the firm's growth significantly. Ralph Rosenberg joined KKR in 2011 and has built the company's real estate practice, managing $70 billion in assets.