Complex sentence: The domain name VietCALL.org is first registered in 2009 by Dr. Dang Tan Tin, an EFL lecturer, who is interested in promoting and supporting initiatives on the use of technology in language education.
Split into simpler sentences: The domain name VietCALL.org is first registered in 2009 by Dr. Dang Tan Tin. He is a lecturer in English language education and interested in promoting and supporting initiatives on the use of technology in language education.