Ronald Pellar, an American hypnotist and fraudster who performed under the stage names Ronald Dante and Dr. Dante, and one of the Lana Turner's husbands, conducted a weekend course in hypnotherapy at the University of Chicago and received more than $3 million in lecture fees. He was given a place in the Guinness Book of World Records for the highest-ever lecture fee.

Ronald Reagan served two terms as President of the United States, from 1981 to 1989. During his presidency, despite a serious budget deficit and public debts, the country felt an economic recovery. Increased investment and tax cuts helped Reagan to remain at the post for a second term.

In October 1989, Fujisankei Communications paid Ronald Reagan $2 million to help the company with public relations. Reagan toured Japan for nine days and made two speeches. “I have just thought that for the last 16 years I so have earned nothing”, said Ronald Reagan in reply to the critics' statements about trading his ex-president's status.

Self-confident and extravagant businessman, the chairman of the Trump Organization and the founder of Trump Entertainment Resorts, and also 45^th president of the USA Donald Trump received an invitation from the Learning Annex company to held one-hour lecture in New York, for which he was paid $ 1.5 million, November 2005. In 2006, Trump also earned about $15 million performing with lectures in the cities of the USA.

Tony Blair was Prime Minister of the United Kingdom for ten years from 1997 to 2007. He became Prime Minister at the age of 43 and is noted for being the United Kingdom's youngest PM since 1812. After retiring, Tony Blair joined the investment bank JPMorgan Chase as a senior advisor. Since 2010, Blair has been serving as an advisor to Bernard Arnault, the CEO of luxury goods conglomerate LVMH. The lectures on geopolitics became one of Tony Blair's favorite activities, which brings good dividends. In 2009, in Manila, the politician earned 365,000 pounds ($ 535,000) for two half-hour lectures. The lecture's subject sounded so: "The leader as the national creator in this era of globalization".

Bill Clinton is an American politician who served as the 42^nd President of the United States from 1993 to2001. After the end of the presidential term, Clinton began to travel the world giving the lectures. On the average, his fees range from $ 75,000 to $ 350,000. The year 2006 was the most "profitable" for the lecturer when the ex-president performed 352 times and earned $ 10 million. In 2008, thePower Within, a motivational-speech company in Toronto, paid Clinton an incredible sum of $525,000 for one lecture.

Alan Greenspan served five terms (1987-2006) as chairman of the Board of Governors of the Federal Reserve System. Greenspan earned the reputation of an incompetent specialist, and according to the vast majority, his measures to combat the inflation led to the war in the Persian Gulf, and then to the economic crisis. It is known that Greenspan will cooperate with the Washington Speakers Bureau, which specializes in organizing lectures with celebrities. The standard fee for such events is $ 100-150 thousand.

Jack Welch, CEO of General Electric from 1981 to 2001 was given the title "Manager of the Century" according to the Fortune magazine in 2000. Welch's public philosophy was that a company should be either #1 or #2 in a particular industry, or else leave it completely. Since September 2006, Welch has been teaching a class at the MIT Sloan School of Management to a hand-picked group of 30 MBA students with a demonstrated career interest in leadership. Today, Welch's net worth is estimated at $720 million.

George Walker Bush is an American politician who served as the 43^rd President of the United States from 2001 to 2009. After 2 terms of a fairly eventful presidency, Bush went on a tour with lectures to the cities of Canada and the United States, receiving a fee of $ 150 thousand for the one speech.

Mikhail Gorbachev was the General Secretary of the CPSU (March 11, 1985-August 24, 1991), the Chairman of the Presidium of the Supreme Soviet of the USSR from 1988 to 1989 and the only President of the USSR. After the resignation in 1991, Gorbachev began to travel around the cities with his lectures. The payment for the performance is sometimes estimated at $ 125 thousand.

Former mayor of New York City Rudolph William Louis Giuliani after retiring from the post also began to perform with lectures. He explained this by saying that he would like to share his experience with everyone. According to the data, for the period from January 2006 to March 2007, Giuliani earned $ 11.4 million for 126 speeches.