He co-founded [[4th Level Ventures]] in 2002, and continues to work there. 4th Level Ventures is a 17 million pound Irish venture capital company; it aims to invest in companies that are commercializing on opportunities arising form Irish research and academic institutions. Dennis is also an angel investor in a variety of early stage technology companies.<ref>[http://www.creditexpo.ie/team/team.html Creditexpo]</ref> As of 2007, Dennis and 4th Level's other founder, [[Ray Norton]], had invested in over a dozen companies as angel investors, and he claims that about half of those investments are looking "very promising". | He co-founded [[4th Level Ventures]] in 2002, and continues to work there. 4th Level Ventures is a 17 million pound Irish venture capital company; it aims to invest in companies that are commercializing on opportunities arising form Irish research and academic institutions. Dennis is also an angel investor in a variety of early stage technology companies.<ref>[http://www.creditexpo.ie/team/team.html Creditexpo]</ref> As of 2007, Dennis and 4th Level's other founder, [[Ray Norton]], had invested in over a dozen companies as angel investors, and he claims that about half of those investments are looking "very promising". |