Jon Jaffe is Co-Chief Executive Officer and President of Lennar Corporation. He joined Lennar in 1983 as Regional President of Homebuilding Operations. Jaffe became Vice President in 1994 and moved to California in 1995 to lead the company's expansion into that state and the West. He spearheaded Lennar's efforts to acquire land, other homebuilders, and developers, helping transition Lennar into the nation's leading homebuilder.