Seth Appleton

Seth Appleton Photo

Seth Appleton
President, MISMO


The Honorable Seth Appleton is President of MISMO.

In this role he is responsible for leading MISMO as it accelerates the development and deployment of industrywide standards that reduce friction and improve the integration and flow of data across the industry. He serves as an ex-officio member of MISMO's board of directors and manages the MISMO staff and volunteer leaders.

Prior to joining MISMO in December 2020, Appleton served as the Assistant Secretary for Policy Development and Research at the U.S. Department of Housing and Urban Development (HUD), a position for which he was unanimously confirmed by the United States Senate.  In addition to his service as Assistant Secretary, Appleton concurrently served as the Principal Executive Vice President of Ginnie Mae, a government corporation guaranteeing the timely payment of principal and interest on more than $2 trillion in mortgage-backed securities.

Appleton joined HUD in 2017 and added his role as Ginnie Mae's senior official in 2019. He has also served as the Chief of Staff for U.S. Congressman Blaine Luetkemeyer and held legislative positions with U.S. Congressman Sam Graves.  

A native of Missouri, Appleton is a graduate of Stanford University and is a fellow of the American Academy of Housing and Communities. 

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