Full name: Alexander Lee Eusebio (알렉산더 리 유세비오), stage name: Alexander/Xander (알렉산더/산더),
born on July 29, 1988 in Hong Kong and he grew up in Macau.
He is half-korean, quarter-portugese and quarter-chinese from his portugese-chinese father and korean mother. He studied in America and is from De Anza college, California. He then returned to Hong Kong wanting to be an MC, but after getting scouted during a vacation in Korea, he moved to Korea to debut under U-KISS. Alexander is also known for his ability to speak 7 languages; English, Cantonese, Mandarin, Korean, Japanese, Spanish and Portuguese.
On February 23, 2011, news broke out that he and his bandmate Ki Bum had left the group in which they both confirmed.
Alexander is now currently signed as a solo artist under his new agency, M Plus Entertainment, and has released his first single, "I Just". He has appeared in stints in several radio shows and on several South Korean TV variety shows. In addition, he has also modelled for a few designers, including famous Korean fashion designer Lee Sang Bong. Trying his hand at acting, Alexander has starred in a Channel A Korean drama entitled Immortal Masterpiece along with singing an OST for the drama, "The Kimchi Song". He has also made a guest appearance in OCN's God's Quiz Season 3.