Entrepreneur | Investor | Mentor | Professor | ExecutiveEntrepreneur: Co-founder of several ventures leading to high-multiple exits.Investor: Active angel investor having directly invested in scores of new and mature ventures as well as hundreds more through investment funds. IMPORTANT: I only invest in U.S. entities. Please do not solicit me for investment in any entity that is outside the U.S.Mentor: Give much time to mentor startup entrepreneurs, having mentored thousands.Professor: Teach entrepreneurship (lean startup) at leading universities.Executive: C-level executive with substantial early-stage experience. High premium on Internet, software, and lean startup. Focus has been on advertising and business services. Technically adept. Programmed business solutions before turning full-time attention to management.Specialties: Accelerators, Advertising, Budgeting, Business policy and strategy, Business-to-business marketing, Cash management, Consulting, Corporate Strategy, Customer service, Database, Database: concepts, eBusiness, Electronic commerce, Entrepreneurial finance, Entrepreneurship, Family-owned business, Internet - B2B & B2C, Lean Startup, Management: consulting, Personal selling and sales management, Social entrepreneurship, Strategic alliances, Technology: impact on people at work.