Members of the the Quorum of the Twelve Apostles Gerrit W. Gong, right, and his wife Susan Lindsay walk off as Ulisses Soares, left, of Brazil, receives a hug from his wife Rosana Fernandes following the morning session of a twice-annual conference of The Church of Jesus Christ of Latter-day Saints Saturday, March 31, 2018, in Salt Lake City. (AP Photo/Rick Bowmer)

SALT LAKE CITY - The Mormon church on Saturday announced the selections of two new members of a top governing body during a twice-yearly conference that is the first since new church president Russell M. Nelson in January assumed the highest seat in a well-defined leadership hierarchy.

Here's a closer look at the leadership structure and how new members are chosen:

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WHO LEADS THE CHURCH OF JESUS CHRIST OF LATTER-DAY SAINTS?

A president and his two top counsellors who form what is known as the "first presidency."

They come from a top governing body called the Quorum of the Twelve Apostles, which sits below the first presidency and helps set church policy and oversees the faith's business interests.

These 15 people are all men, in accordance with the church's all-male priesthood.

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HOW ARE MORMON PRESIDENTS CHOSEN?

The longest-tenured member the Quorum of the Twelve Apostles becomes the new president in a tradition established in 1889 to prevent lobbying and ensure a smooth transition.

The succession plan was created following nearly two years of debate and some politicking among the apostles after the death of the faith's third president, John Taylor, said Armand Mauss, a retired professor of sociology and religious studies at Washington State University.

Nelson became the 17th church president on Jan. 14 during a private meeting of the Quorum. Per protocol, his formal selection came a few days after a funeral for the previous president, Thomas S. Monson.

At the church conference in Salt Lake City, Nelson was given a ceremonial show of support from Mormons in attendance and watching around the world during a more than century-old custom called a "solemn assembly," when Latter-day Saints stood and raised their hands.

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WHAT DOES A MORMON PRESIDENT DO?

He is considered a prophet, seer and revelator who leads the church — along with two top counsellors and members of the Quorum — through divine revelation from God.

The president sets policy, rules and manages church programs. He also oversees the church's businesses, which include real estate, farms, publishing, life insurance, nonprofits, a Polynesian cultural centre in Hawaii and an upscale outdoor mall in Salt Lake City.

The church doesn't disclose or discuss its finances, but Mormon historian D. Michael Quinn estimated in a book published last year that it brought in $33 billion in contributions and an additional $15 billion from its for-profit businesses in 2010. Much of that money is likely spent to operate church buildings, temples and programs, Quinn said.

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HOW LONG DO MORMON PRESIDENTS SERVE?

Until they die, which is why the length of their tenures vary widely.

The longest was Brigham Young, who served nearly 30 years in the mid- to late 1800s. Other lengthy tenures include Heber J. Grant, with nearly 27 years from 1918 to 1945, and David O. McKay, with nearly 19 years from 1951 to 1970.

The shortest tenure was Howard H. Hunter, who served only nine months from 1994 to 1995.

The past two presidents, Monson and Gordon B. Hinckley, each had fairly lengthy terms. Monson served nearly 10 years, and Hinckley nearly 13.

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HOW ARE THE PRESIDENT'S TWO COUNSELORS CHOSEN?

A new president usually chooses them from the Quorum. Sometimes, they are the same men who served the previous president. If they're different, the previous counsellors return to being members of the Quorum.

Nelson kept Henry B. Eyring as a counsellor and chose Dallin H. Oaks as the second.

Being counsellors doesn't put them ahead in line to become president, but Oaks happens to be next in line as the longest-tenured member. The 85-year-old is a former Utah Supreme Court justice who joined the Quorum in May 1984, one month after Nelson.

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HOW ARE NEW QUORUM MEMBERS CHOSEN?

They can come from anywhere, but in modern history most were already serving in lower-tier leadership council.

The apostles tend to be older men who have achieved a measure of success in occupations outside the church. The last five chosen for the Quorum of the Twelve Apostles, including three in October 2015 and two on Saturday, fit that description.

The 59-year-old Ulisses Soares of Brazil was an accountant and auditor for multinational corporations in Brazil before joining church leadership, according to a church biography.

The 64-year-old Gerrit W. Gong, a Chinese-American, worked for the U.S. State Department, the Washington, DC-based Center for Strategic and International Studies and Mormon-owned Brigham Young University before being selected for the lower-tier church leadership panel, his church biography shows.

The selections of Soares and Gong marked church history as they became the first Latin American apostle and first-ever apostle of Asian ancestry. They joined a panel that before was made up entirely of white men from the U.S. with the exception of one German, Dieter Uchtdorf.

Soares and Gong filled openings by the deaths of Monson and Quorum member Robert D. Hales, who died in October at age 85.

The group is modeled after Jesus Christ's apostles. Members serve until they die or ascend to the presidency.

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WHAT ABOUT WOMEN?

The nine highest-ranking women in the church oversee three organizations that run programs for women and girls. These councils sit below several layers of leadership groups reserved for men.

The president and counsellors who oversee the Relief Society, which runs activities for women, are considered the most important female leaders based on the organization's historical cachet.

News from © The Associated Press, 2018