Mike was Microsoft's director of corporate marketing (1983-90); VP- Marketing, NeXTComputer, 公司, reporting to Steve Jobs (1991-93); chairman and CEO of Starwave, 集团., a Paul Allen venture (1993-98); a consultant for Apple's CEO, Steve Jobs (1998-04); and partner and co-founder of the Seattle-based venture capital firm Second Avenue Partners (2000-current). 他的董事会成员包括:RealNetworks (RNWK)和七个创业/私人董事会(RealSelf), 的包装, 幻想大亨, Flowplay, 主菜.ai, Skydio和TreeRing). 他也是Crtl-Labs和LeakSmart的战略顾问. 他于2001年在CC成立了斯莱德可持续发展研究基金.