[2] Chaikasem started his primary and secondary education at Assumption College, and then transferred to Triam Udom Suksa School.
With the government's scholarship, he continued his studies at Columbia University and received a master's degree in law (LL.M.).
He did steadily thrive in his legal career path until his retirement as the Attorney General of Thailand and also adjunct professor to the faculty of law, Chulalongkorn University.
[6] On 30 July 2009, Chaikasem was appointed by royal command as a professor at Chulalongkorn University in the Faculty of Law.
[7] Between 2011 and 2012, Chaikasem held several positions in the Yingluck Shinawatra government, such as chairman of Securities and Exchange Commission, Department of Special Investigation, and PTT Exploration and Production.