2005至今，在Silicon Valley 從事天使投資，專注於新創公司，擔仼數家公司董事。在 2012共同創立Techpoint Inc, IC 設計公司，Techpoint 於2017 在東京証交所(TSE)股票上市。
現任成大北美基金會董事，積極贊助成大創新團隊計劃。在Silicon Valley 也長期贊助成大校友會及其他各種公益慈善團體。
工作之餘，於1984 共同成立一個搖滾樂團，Silicon Valley Band, 團員中包括多名成大校友， 活躍於矽谷，在多種活動中從事表演。
Kenny Liu, 劉方凱，1977 BSEE from ChengKung University, 1982 MSEE from Ohio State University, 1987 MSCS from University of Santa Clara.
From 1982 to 1989, Kenny served Engineer/Manager postions at various Silicon Valley high tech companies.
On 1989, CoFounding OPTi inc., an IC Design company as Chairman/CEO, then took the company public on Nasdaq 1993.
On 1995, Starting Tvia inc., an IC Designr company as Chairman/CEO, Took the company public on Nasdaq at 2000.
Since 2005, Kenny has been an angel investor focusing on Silicon Valley startups. On 2012, CoFounding Techpoint Inc., Served as Board of Director, Techpoint went public 2017 on Tokyo Stock Exchange. Kenny also served as Board member at other Silicon Valley startups.
Other than the business career, Kenny cofound a Rock and Roll Band, called ‘The Silicon Valley Band’ in 1984, actively performing at the various local events.