• December 2007: Established Japanese Language Department at Angkor University (Siem Reap, Cambodia)
• January 2010: Established “Science Program” as social contribution
• October 2014:
  　① Moved to PAÑÑĀSĀSTRA UNIVERSITY OF CAMBODIA, Siem Reap Campus (PUC-SR)
  ② Started handling Japanese Language Proficiency Test (JLPT) as head of Siem Reap Site at 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 as official partnaer of JLPT between CJCC and PUC-SR
  
• February 2017: Concluded MOU between Meisei University, Tokyo, Japan and PUC-SR
  
• April 2017: Concluded MOA as International Exchange Program 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: International Exchange Program at Meisei University, Japan (For 2 weeks)
  
• September 2019：

　 ① Stop to work at PUC-SR.

　 ② Decided to stop handling JLPT as head of Siem Reap Site.

　 ③ Received officer as an advisor of International Exchange Program from Kaibara High School, Hyogo, Japan which supported by Ministry of Education, Culture, Sports, Science and Technology, Japan.

• December 2019: Move to PUC-BB as Manager of International Relations.
  
• December 2020: Concluded
  ① MOU between Hokuriku University, Ishikawa, Japan and PUC-BB
  ② MOU between Kaibara Senior High School and
  PAÑÑĀSĀSTRA International School- Battambang (PSIS-BB)
  
• February 2023: Assigned as Head of Human Resource and Administration, PAÑÑĀSĀSTRA International School, Battambang Branch.
  
• November 2024, Moved to JCHR Takumi Japanese Language Training School and came back as a teacher, Kanji Expart in Siem Reap.

• May 2009: Start a project to create new teaching materials to improve the overall standard of basic education in Cambodia
  
• October 2010: Get an approval letter as teaching material from Minister of Education, H.E. Im Sethy, Cambodia (Approval Letter)
  
• September 2011: Established AUCBE (Angkor University Center for Basic Education) to conduct research aimed at improving the educational standards of kindergartens and elementary schools in Cambodia.
  
• March 2012: Joined International Conference and held presentation about the archive and result of the research at Angkor University (Siem Reap, Cambodia)
  
• July 2012: Held lecture at Teacher Training College in Siem Reap Province, Cambodia
  (How to use new teaching materials; Geography and Math)
  
• 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 nad gave teaching materials to students who graduate at Teacher Training College in Siem Reap Province, Cambodia
  (How to use new teaching materials; Geography and Math)
  
• 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. (NHK WORLD-JAPAN, 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; PUC-BB (Battambang, Cambodia)
  
• December 2019: Science Program between Meisei University and PUC-BB in Battambang Province (Battembang, Cambodia)
  
• December 2019: 2nd research program about "Literacy Education"
  at Battambang City and rural area in Battambang Province on 13-14 December, 2019 (Battambang, 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 of PUC-BB (Battambang, Cambodia)
  
• January 15, 2019: NHK WORLD-JAPAN, Radio Program, broadcasted about my teaching materials and research program by 17 languages. (NHK WORLD-JAPAN, Radio, 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 of PUC-BB (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 of PUC-BB (Battambang, Cambodia)
  
• Middle February, 2020: Cooperated with Hijiyama University and created new teaching material,
  "Nutrition Education".
  
• Middle June, 2020: Started improving current teaching material, Geography and Math with management member and teachers of PAÑÑĀSĀSTRA International School-Battambang (PSIS-BB)
  as "i-TMs (i-Teaching Materials)" against 2nd and 3rd waves.
  
• Middle July, 2020: Started creating teaching materials for literacy education as new edition for Kindergarten and Grade 1 students at PSIS-BB first.
  ① Khmer Number (0-9)
  ② Khmer Vowels (23) and consonants (33)
  
• September, 2020: Started creating Digital Tourim Map as Social and Life Study based on current teaching material; Geography and Math, with Department of Tourism in Battambang Province
  
• March 2021: Concluded MOU between Department of Tourism, Battamban Province and PUC-BB
  
• April 14, 2021: NHK WORLD-JAPAN broadcasted about process of creating teaching materials with colleagues of PUC-BB and PSIS-BB. (NHK WORLD-JAPAN, Side by Side)
  
• September 2022: Tourism Map (E-Map) have been approved by Battambang Province Governor as Provincial Project (Website: Admin of Battabmang Province)
  
• December 2022: Join BarCamp DigiTec 2022 (Battambang, Cambodia)

• Research Paper: Validation of New Teaching Method: The case of Countryside in Cambodia (2012)
• Instructor Book Game : “30 min. around Cambodia” < Geography & Math >

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

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