• May 2009: Start a project to create new teaching materials
• October 2010: Get an approval letter as teaching material from Minister of Education, H.E. Im Sethy, Cambodia
• September 2011: Established AUCBE (Angkor University Center for Basic Education)
• March 2012: Joined International Conference and held presentation about the archive and result of the research at Angkor University (Siem Reap, Cambodia)
• September 2012: Held lecture at Teacher Training College in Siem Reap Province, Cambodia
• March 2013: Joined International Conference and held presentation about the archive and result of the research at Angkor University (Siem Reap, Cambodia)
• April 2013- April of 2014: Held seminar for local teacher with JICA Senior Volunteer
• March 2014: Joined International Conference and held presentation about the archive and result of the research Federation of Myanmar Engineering Societies (Yangon, Myanmar)
• September 2014: Held lecture at Teacher Training College in Siem Reap Province, Cambodia
• October 2014: Moved to PAÑÑĀSĀSTRA UNIVERSITY OF CAMBODIA, Siem Reap Campus (PUC-SR)
• March 2016: Joined International Conference and held presentation about the archive and result of the research at Yangon University of Economics (Yangon, Myanmar)
• July 2017: Held 1^st research program about Geography and Math at three province (Siem Reap, Banteay Meanchey and Battambang, Cambodia)
• November - December 2017: Held 2^nd research program about Geography and Math (Siem Reap, Banteay Meanchey and Battambang, Cambodia)
• December 2017-Janualy of 2018: Held 3^rd research program about Geography and Math (Siem Reap, Banteay Meanchey and Battambang, Cambodia)
• February 2018: Held pre-research about Literacy Education, Khmer Language (Banteay Meanchey, Cambodia)
• Created new teaching materials of nutrition education with Hijiyama University which have signed on MOU (Siem Reap, Cambodia)
• March 2018: Joined International Conference and held presentation about the archive and result of the pre-research, Literacy Education, Khmer Language at Myanmar-Japan Center (Yangon, Myanmar)
• May 2018: Started discussion for creating new teaching materials in Myanmar
• Held presentation about new teaching materials (Kayin State, Myanmar)
• June 2018: Make prototype of teaching materials, Literacy Education (Yangon, Myanmar)
• December 2018: Introduced and showed two kinds of new teaching materials, “Literacy Education” and “Geography and Math” to Chief Minister of Kayin State, Myanmar
• January 2019: Got a permission letter to do research by Kayin State Government, Myanmar
• February 2019: Improved the teaching materials of nutrition education with Hijiyama University which have signed on MOU (Siem Reap, Cambodia)
• February 24, 2019: Joined TEDx KramuonSarSt and held presentation about teaching material, “Geography and Math”
• June 2019: Held 1^st research program about “Literacy Education” and “Geography and Math” (Kayin, Myanmar)
• July-August 2019: Held 2^nd research program about “Literacy Education” and “Geography and Math” (Kayin, Myanmar)
• September 2019: Submitted the report of my research to Chief Minister of Kayin State in Myanmar
• October 16, 2019: NHK WORLD-JAPAN broadcasted about my teaching materials and research program. (TV Program, Side by Side)
• December 2019: 1st research program about "Literacy Education" at Battambang City and rural area in Battambang Province on 02-06 December, 2019 with volunteer student, PAÑÑĀSĀSTRA UNIVERSITY OF CAMBODIA, Battambang (Cambodia)
• December 2019: Science Program between Meisei University and PAÑÑĀSĀSTRA UNIVERSITY OF CAMBODIA, Battambang (PUCBB) in Battambang Province (Cambodia)
• December 2019: 2nd research program about "Literacy Education" at Battambang City and rural area in Battambang Province on 13-14 December, 2019 (Cambodia) *Then it was solo research after 10 days.
• End December 2019 - Early January 2020: 3rd research program about "Literacy Education" at Battambang City and rural area in Battambang Province on 31 December, 2019 - 08 January, 2020 with volunteer student, PAÑÑĀSĀSTRA UNIVERSITY OF CAMBODIA, Battambang (Cambodia)
• January 15, 2019: NHK WORLD-JAPAN, Radio Program, broadcasted about my teaching materials and research program by 17 languages. (Radio Program, Meet the People)
• Middle January, 2020: 4th research program about "Literacy Education" at Battambang City and rural area in Battambang Province on 18 and 24 January, 2020 with volunteer student, PAÑÑĀSĀSTRA UNIVERSITY OF CAMBODIA, Battambang (Cambodia)
• Early February, 2020: 5th research program about "Literacy Education" at Battambang City and rural area in Battambang Province on 03-05 February, 2020 with volunteer student, PAÑÑĀSĀSTRA UNIVERSITY OF CAMBODIA, Battambang (Cambodia)
• Middle February, 2020: Cooperated with Hijiyama University and created new teaching material of nutrition education.
• Middle June, 2020: Started improving current teaching material, Geography and Math with management member and teachers of PSIS-BB as "i-EMs (i-Educational Materials)" against 2nd and 3rd waves.
• Middle July, 2020: Started creating teaching materials for literacy education as new edition, 23 vowels and 33 consonants for Kindergarten and Grade 1 students at PSIS-BB first.
• First September, 2020: Started creating new teaching material as Social and Life Study with geography and math which cooperated with Department of Tourism in Battambang Province.
• April 14, 2021: NHK WORLD-JAPAN broadcasted about process of creating teaching materials with colleagues of PUC-BB and PSIS-BB. (TV Program, Side by Side)
• August - November 2021:

1st Research program about "Khmer Number" at PSIS-BB (Kindergarten & Primary Grade 1)

• 2nd Research program about "Khmer Language, Vowel" at PSIS-BB (Kindergarten & Primary Grade 1)
• 3 rd Research program about "Khmer Language, Consonant" at PSIS-BB (Kindergarten & Primary Grade 1)
• September 2022: Tourism Map (E-Map) have been approved by Battambang Province Governor as Provincial Project

December 2007: Established and opened Japanese Language Department at Angkor University

January 2010: Established “Science Program” as social contribution

October 2010: Got approval for new teaching material from the Ministry of Education, Youth and Sport which Prof. Matsuoka has created since 2009.

October 2014:

- Moved to PAÑÑĀSĀSTRA UNIVERSITY OF CAMBODIA, Siem Reap Campus

(PUC-SR)

- Started handling Japanese Language Proficiency Test (JLPT) as head of Siem Reap Site

(PUC-SR)

March 2015: Established Japanese Language Course, “Vocabulary and Grammar” at PUC-SR.

June 2015: Concluded the Agreement about JLPT as test center at Siem Reap Site between Cambodia-Japan Cooperation Center (CJCC) and PUC-SR

December 2015: Concluded MOU between CJCC and PUC-SR

February 2017: Concluded MOU between Meisei University, Tokyo, Japan and PUC-SR

April 2017: Concluded MOA between Meisei University and PUC-SR

*Two Cambodian students went to Meisei University (1 month and 2 weeks)
*One Japanese student came to PUC-SR as exchange student (1 year)

December 2017: Concluded MOU between Takasaki University of Commerce, Gunma, Japan and PAÑÑĀSĀSTRA UNIVERSITY OF CAMBODIA, Battambang Campus (PUC-BB), and PUC-SR

January 2018: Concluded MOU between Hijiyama University, Hiroshima, Japan and PUC-SR

June 2018: Concluded MOU between Angkor Tiger Football Club, Siem Reap and PUC-SR

August 2018: Concluded MOU between Hokuriku University, Ishikawa, Japan and PUC-SR

September 2018: Concluded MOU between Asia University, Tokyo, Japan and PUC-SR

July 2019: One student of PUC-SR went to Meisei University (2 weeks)

September 2019：

- Stop to work at PUC-SR.

- Decided to stop handling JLPT as head of Siem Reap Site.

- Took office as an advisor of International Exchange Program which supported by Ministry of Education, Culture, Sports, Science and Technology, Japan.（Kaibara Senior High School)

December 2019: Move to PUC-BB as Manager of International Relations.

December 2020: Concluded

- MOU between Hokuriku University, Ishikawa, Japan and PUC-BB

- MOU between Kaibara Senior High School and PAÑÑĀSĀSTRA International School, Battambang Branch (PSIS-BB)

March 2021: Concluded MOU between Department of Tourism, Battamban Province and PUC-BB

March 2023: Assigned as Head of Human Resource and Administration, PAÑÑĀSĀSTRA International School, Battambang Branch.

・28 August, 2009: "Moni Sara Poan, Thipadin Prize" from the Royal Highness

・12 August, 2009: “Certification of Appreciation” from Education Minister, Im Sethy