2005
· Aug　2nd Runner Up for the Male Category of the first Season of Project Superstar 2005.
第一届《绝对Superstar》男子组第三名
·Sep　Voted Top 50 Asia Idols in 联合早报, highest position reached being 12th, highest among other Project Superstar finalist also in the list.
票选《联合早报》全50大亚洲偶像，排名#12。在上榜的第一届《绝对Superstar》里的参赛者，排名最高。
·9/1　Project Superstar Compilation
参与《绝对Superstar合辑》录制
· Oct　Awarded an artiste management contract by Play Music (now Warner Music Singapore), co-organizer of Project Superstar 2005, being the only contestant being offered a contract other then the top 4 finalist.
因获华纳唱片的青睐，除了4强外，唯一获得唱片合约的参赛者。
·12/1　Project SuperStar Karaoke VCD
推出《绝对Superstar合辑》Karaoke VCD
2008
· 7/30　Debut Album “Unclassified”released in Singapore on 30 July
新加坡 推出首张个人专辑《无法归类》
－Album release countdown known as“Countdown to D-Day”
专辑倒数誉为“Countdown to D-Day”
－Album release known as “D-Day”
专辑推行日誉为“D-Day”
－Over 4000 fans flooded Derrick’s YouTube channel, blog, and fansite, at the stroke of midnight on 30 July 2008.
专辑推出的前一天12点淩晨，4000名粉丝纷涌入YouTube，部落格，歌迷网站，挤暴网络！
－Ranked #35 on YouTube’s ‘Most Viewed Channels’ among the whole world.
YouTube点击率排名全世界#35名！
· 9/07　 Tops the chart of Yes 933 龙虎榜
Y.E.S.933（FM）龙虎榜-《无法归类》榜上排名第一
· 9/23　Release Repack album in Singapore during September 2008.
9月份在新加坡推出《无法归类》庆功改版！
Project D was launched together with the Repack – A photo mosaic of Derrick and fans was made into a giant poster which was given away together with the Repack album.
随着改版专辑的推出，D-计划也因此曝光！随改版专辑附赠一张维健与数百名歌迷合照的大型海报。
· October　started his 2 months street basking promotion in Taiwan
10月 在台湾，开始为期两个月『天桥地下道走唱』宣传
· 10/25　Attended the Annual Singapore’s prestigious award ceremony, The Singapore Hit Awards 2008, organized by Y.E.S. 933 (FM) at the Singapore Indoor Stadium.
参加新加坡年度音乐盛会【新加坡金曲奖2008】
－Nominated for the「Best Newcomer」 award.
提名「最佳新人奖」
－Won the「Most Potential Local Artist」and his debut album ” won the「Jean Yip Best Album Design」
荣获「最具潜力本地新人奖」、「Jean Yip 最酷专辑造型奖：《无法归类》何维健」
· 11/21　Released his First Single Album in Taiwan.
台湾推出首张个人专辑《新生 何维健》
· 12/7 First autograph session in Taipei.
首次在台北统一元气馆前举办大型签唱会
Female Artiste, Ding Xiao Qi, gave her support to him by bringing to the audience a special dance together with him.
艺人丁小区清凤前来月台，现场两人带来一段十分火辣的热歌劲舞！
· 12/26　Released <很想你 最终庆功改版> in Singapore.
在新加坡推出《很想你》 最终庆功改版
·12/28　Y.E.S. 933 (FM ) Song Chart of Year 2008
Y.E.S. 933(FM) 2008 年度音乐排行榜
－Y.E.S 933 (FM)Yearly Top 10 Male Artiste, Wei Jian was rank #6.
2008 十大男歌手 ：第6名
－Y.E.S. 933 (FM) Season's Top 5 Male Artist for the fourth Season of 2008, Wei Jian was rank #3.
2008年 第4季 季选成绩5大男歌手 ：第3名
－《你走天桥，我走地下道》 was rank #4 in the Top 20 Most Popular Song Chart.
20大金曲 - 《你走天桥，我走地下道》： 第4名
－Rank #10 on the Top 10 Most Popular Artiste in Year 2008.
2008年 10大最受欢迎歌手 ：第10名
·12/31　First appearance at Taiwan’s big scale countdown event.
首次参加台湾大型跨年晚会
2009
·3/7 Attended Singapore’s 1st Entertainment Award Concert - Singapore Entertainment Awards 2009.
出席新加坡第一届《新加坡e乐大赏2009》
－Awarded the 「SPH Media Award - Local Newcomer of the Year」
荣获「e乐传媒推荐本地新人」奖
－Given the opportunity of doing the opening as a newcomer.
以新人之姿身负典礼『开场』重任
·March to May Campus Concerts in Taiwan
3月-5月 台湾校园演唱会跑透透
·March to May
Jolin Butterfly 2009 Campus Tour Concerts in Taiwan
3月-5月 担任蔡依林《花蝴蝶》2009校园巡回演唱会开场嘉宾
·5/1 Played the role as the MV male lead in Amber Kuo's MV《你在,不在》
5/1 担任郭采洁《你在,不在》mv男主角
·5/20 Attended the upcoming taiwan idol drama "Love Buffet" 's press conference
参与台湾八大偶像剧《爱似百汇》开镜记者会
·6/07 Guest performer for Amber Kuo's mini concert and performed a duet with her
担任师姐郭采洁同乐会嘉宾，并合唱歌曲《天生一对》
·June Recorded a brand new rendition of “Open Happiness” for Coca Cola with Jocie Kok.
6月 与区清凤一同为可口可乐录制《Open Happiness》重新演绎版本
·6/13 Coca Cola "Open Happiness" Campaign with Derrick Hoh & Jocie Kok in Singapore
－MV filming Day
何维健与郭美美新加坡可口可乐造势活动
－同时进行MV拍摄
·7-25 2009 Yilan International Rain Festival Concert in Taiwan
参与台湾2009宜兰国际兰雨节演唱会活动
·8/21 Street busking fund raising for the 08/08/09 catastrophe that happened in Taiwan
为88水灾募款，再度在西门町走唱，共募得2万2143元
·8/22 Guest performer for Jam Hsiao's 【王妃LIVE TOUR巡回演唱会】at Penghu
担任萧敬腾【王妃LIVE TOUR巡回演唱会】澎湖场嘉宾
·9/13 24th Birthday Party with Taiwan Hoh-Fans
首次与台湾何粉庆祝24岁生日
·11/21 The 10th World Chinese Entrepreneurs Convention (WCEC) in Manila, Philippines
参加菲律宾马尼拉第十届世界华商大会
·12/18 Coke Event 'Turn on the Christmas Spirit with Coca-Cola'
参加可口可乐代言耶诞节活动
·12/24 Coke Event 'Christmas Eve with Derrick and Coca-Cola!'
参加可口可乐代言耶诞节活动
2010
·Jan Sang the opening theme song for an upcoming Singapore local drama "The Illusionist"
1月 演唱新加坡戏剧《魔幻视界The Illusionist》主题曲《变化》
·Jan Nominee for the Most Popular Local Singer in Singapore E-Awards 2010
1月 2010第二届新加坡e乐大赏最佳本地歌手提名