Title: President of Guyana
Content:  When Guyana was declared a republic in 1970 the president was elected by the National Assembly for a five-year term and possessed largely ceremonial powers. Arthur Chung was the only person to hold the office under those legal provisions. Namely, after a 1980 referendum the constitution was amended to make the presidency an executive post (i.e. the office holder would be both the country's head of state and its head of government) and the office became known as the executive president. Forbes Burnham was the first person to become president following these changes.
Title: President of Guyana
Content:  Independent Guyana's first constitution, a modified version of the 1961 constitution, took effect on the first day of independence, May 26, 1966. It reaffirmed the principle that Guyana was a democratic state founded on the rule of law. The titular head of the country was the British monarch, represented in Guyana by the governor general, who served in a largely ceremonial capacity. Real executive power rested in the prime minister, appointed by the majority party in the renamed National Assembly, and his ministers. The first post-independence elections in 1968 confirmed the dominant role of the PNC and its leader, Forbes Burnham. On February 23, 1970, the Burnham government proclaimed the Cooperative 
Title: Windsor Forest, Guyana
Content: Arthur Chung (1918–2008), first President of Guyana. ; Doreen Chung (1932–2009), first First Lady of Guyana. 
Title: President of Guyana
Content: Status 
Title: February 1970
Content: The Co-operative Republic of Guyana was created as the South American nation of Guyana, independent since 1966, commenced a presidential form of government at midnight. Sir Edward Luckhoo, who had been the Governor-General as representative of Queen Elizabeth of the United Kingdom, took office as the first President of Guyana, pending election of a permanent occupant of the ceremonial post.  Prime Minister Forbes Burnham, a proponent of the concept of government assistance to cooperatives of employee-owned farms, banks and mining companies, continued as the actual head of government. 
Title: Constitution of Guyana
Content:  Independent Guyana's first constitution, a modified version of the 1961 constitution, took effect on the first day of independence, May 26, 1966. It reaffirmed the principle that Guyana was a democratic state founded on the rule of law. The titular head of the country was the British monarch, represented in Guyana by the governor general, who served in a largely ceremonial capacity. Real executive power rested in the prime minister, appointed by the majority party in the renamed National Assembly, and his ministers. The first post-independence elections in 1968 confirmed the dominant role of the PNC and its leader, Forbes Burnham. On February 23, 1970, the Burnham government proclaimed the Cooperative Republic of Guyana. This move had both economic and political ramifications. The government argued that the country's many resources had 
Title: Vice President of Guyana
Content:  Vice presidents of Guyana is a political position in Guyana. The Prime Minister of Guyana serves as the First Vice President and acts as the constitutional successor for the President of Guyana in case of a vacancy. Historically, other members of the cabinet have also been appointed as Vice Presidents, who can perform the functions of the President. Vice presidency was created in October 1980 when the executive presidency was created. A history of the office holder follows.
Title: Arthur Chung
Content:  When Guyana became a republic under the leadership of Forbes Burnham in 1970, the National Assembly elected Chung as the country's first President; he took office on 17 March 1970. Ten years later, a constitutional revision transformed the presidency into an executive position, and Burnham succeeded Chung as President on 6 October 1980. During his time as President of Guyana, the office was that of a ceremonial head of state, with real power in the hands of Prime Minister Forbes Burnham. During his presidency, on June 27, 1972, Guyana established formal diplomatic relations with China, making Guyana the first English-speaking Caribbean country to establish diplomatic relations with the People’s Republic of China. In 1977, President Chung of Guyana visited China and met with Hua Guofeng, Premier of China. 
Title: History of Guyana
Content:  president, chosen, as the former position of prime minister had been, by the majority party in the National Assembly. Burnham automatically became Guyana's first executive president and promised elections later in the year. In elections held on December 15, 1980, the PNC claimed 77 percent of the vote and forty-one seats of the popularly elected seats, plus the ten chosen by the regional councils. The PPP and UF won ten and two seats, respectively. The WPA refused to participate in an electoral contest it regarded as fraudulent. Opposition claims of electoral fraud were upheld by a team of international observers headed by Britain's 
Title: List of heads of state of Guyana
Content: Status Under the Constitution of 1970, the first constitution of the Republic of Guyana, the president replaced the monarch as ceremonial head of state. The president was elected by the National Assembly for a six-year term. In the event of a vacancy the Chancellor (the head of the judicial branch, serving directly above the Chief Justice of Guyana) served as acting president. In 1980, the powers of the president were increased, with the establishment of the executive presidency. Currently, the president is both head of state and head of government and, pursuant to article 91 of the Constitution, is directly elected on the basis of the votes cast in the general election. On Nomination Day, each list of contesting parties designate a member of their list as that party's presidential candidate. The presidential candidate whose party's list of candidates receives the most votes is elected president. In the event of a vacancy, the prime minister becomes president. 

Question: who was the first executive president of guyana?
Answer: Arthur Chung.
Forbes Burnham.