In a speech at last year’s Republican National Convention, she noted that her father had been born in Birmingham, Ala., and became a respected doctor at Yale University. She earned a bachelor’s degree from the University of Miami.

Holly M. Leicht, appointed by Secretary Shaun Donovan


Holly M. Leicht in Battery Park in 2013.

Marcus Yam for The New York Times

Ms. Leicht spent most of her career working in housing and urban development and wrote extensively about the need to provide more affordable housing across the country. She also wrote about the dangers of lead poisoning, and the damage that federal spending cuts to the department could do to residents of New York and New Jersey who need help buying homes or paying rent.

Before joining the agency, she was the executive director of New Yorkers for Parks, a nonprofit group focused on promoting parks and open spaces around New York City. Prior to that, she was the deputy commissioner for the New York City Department of Housing Preservation and Development.

She earned her bachelor’s degree from Yale and a law degree from Northwestern. She began her career as a private lawyer and later became in-house counsel at the Municipal Arts Society of New York. She also worked as the director of planning for offsite projects at the Lower Manhattan Development Corporation, where she focused on the effect of urban design in the downtown area.

Adolfo Carrión, appointed by Mr. Donovan


Adolfo Carrión at the 2013 National Conference of Independents at New York University.

Hiroko Masuike/The New York Times

Mr. Carrión likewise spent much of his career working on issues of housing and economic and community development. Before joining the department, Mr. Carrión worked as a deputy assistant to President Barack Obama and as the director of the White House Office of Urban Affairs. In that role, he focused on Mr. Obama’s agenda for urban areas, which aimed to make them more economically competitive and environmentally sustainable.

Mr. Carrión began his career as a teacher in the Bronx. He then earned a master’s degree in urban planning from Hunter College in New York and went on to work for New York’s Department of City Planning. He later became district manager of his local planning board. He was then elected to the City Council and was later was elected Bronx borough president.

Sean Moss, appointed by Secretary Alphonso Jackson


Sean Moss at a foreclosure prevention workshop in 2008.

Prudential Rand Realty, via YouTube

Before joining the housing department, Mr. Moss was the director of the Transportation Department’s Office of Small and Disadvantaged Business Utilization. In that role, he advised the secretary of transportation on ways to incorporate small businesses into the department’s work.

Mr. Moss earned a bachelor’s degree from Morehouse College and a master’s in business administration from Indiana University, according to his LinkedIn profile. Before working at the department, he had been a regional director at Empire State Development, a division of the State of New York focused on economic growth.

While at the housing department, Mr. Moss focused extensively on affordable housing and on helping low-income Americans find places to live. Mr. Moss said in 2008, “H.U.D. has no higher mission than creating and preserving affordable housing.”

Marisol Morales, appointed by Secretary Melquiades R. Martinez

Ms. Morales came to the role with experience managing large programs and studying housing issues. Before her job at the department, Ms. Morales served as the chief of staff in the New York City Office of the Sheriff. There, she evaluated data for a multimillion-dollar vehicle seizure program, oversaw labor negotiations and collective bargaining agreements, and prepared briefs and reports for the sheriff and aides.

She also spent time working at the New York City Housing Authority as an executive assistant for policy and programs in the agency’s Department of Community Operations. While there, she worked on new policies governing field offices and interacted with tenant leaders and community-based organizations. She also worked in the agency’s Office of Public Information as the public relations manager. She attended Trinity College in Washington.

Allison Lee, appointed by Secretary Andrew M. Cuomo

Before joining the department, Ms. Lee worked in several government positions, including for the New York State Assembly, the New York State Congressional Delegation and the Cities of Newburgh and Beacon. After she left the Department of Housing and Urban Development in 2001, she started a government affairs and lobbying firm in Albany that focuses on issues like telecommunications, technology, health care and public broadcasting.

According to her biography from the Albany lobbying firm, Ms. Lee has 25 years of service in local, state and federal government. That experience includes working in journalism, book publishing, and nonprofit and trade association administration. Ms. Lee earned her bachelor’s degree from Bard College.

Charlie King, appointed by Mr. Cuomo


Charlie King at a debate at Pace University in New York in 2006.

Stuart Ramson/Associated Press

Before coming to the department, Mr. King was a prominent New York lawyer. He has served as the executive director of the New York State Democratic Party and was a member of the Election Monitoring Committee in South Africa when Nelson Mandela was elected president there in 1994.

Mr. King, who earned a bachelor’s degree from Brown University and a law degree from New York University, worked on Mr. Cuomo’s campaign to become governor of New York and a re-election campaign for Representative Charles B. Rangel of New York.

Mr. King also served as the acting executive director for the National Action Network, a civil-rights group founded by the Rev. Al Sharpton. He represented several witnesses connected to the high-profile killing of Sean Bell, an unarmed black man shot by the New York police in 2006. He has founded his own consulting firm focused on politics and business.

Bill de Blasio, appointed by Mr. Cuomo


Bill de Blasio, now the mayor of New York City, last July.

Christopher Lee for The New York Times

Mr. de Blasio, the current mayor of New York City, also served in this role under President Bill Clinton. Mr. de Blasio began his career in 1989 as part of David N. Dinkins’s campaign to become mayor of New York City. He later worked as an aide in Mr. Dinkins’s administration.

After that experience, Mr. de Blasio came to the housing department and then later served as a school board member for Brooklyn School District 15. He then worked as the head of Hillary Clinton’s campaign for the Senate in 2000 and joined the New York City Council. In that role, he focused on public education, affordable housing and social services.

Mr. de Blasio graduated from New York University and Columbia University’s School of International and Public Affairs. He was elected mayor of New York City in 2013.

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